since 2000
Alphabetic File Extension List: m
The file extension list you requested is shown on this page. It loads as a table so please give it a moment as some of the lists are quite long. These lists contain basic information: the extension, the name of the program it works with, the specific function of the file, and the company that makes the program. Not all extensions have all of the data. Click on the extension of interest to see the detail page for that extension. Total extensions in this particular list: 1971.
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| Extension | Information |
| M | Amiga E Source Module (Wouter van Oortmerssen) |
| M | Brief Macro Source |
| M | Cliq Accessories Datebook Modification File |
| M | Desktop Color Separation Specification Magenta Layer |
| M | Limbo Interface Declaration |
| M | Maple Common Binary File (Maplesoft, a Division of Waterloo Maple Inc.) |
| M | Mathematica Functions and Commands (Wolfram Research, Inc.) |
| M | MATLAB Function or Script (The MathWorks, Inc.) |
| M | Miranda language Script File |
| M | Objective-C Source |
| M | Winamp3 Uncompiled Script |
| M$S | MindStor Firmware Update File |
| M00 | Topcon Magnet Office, other GNSS processing software GNSS raw data |
| M01 | MicroStation Modification Resource (Bentley Systems, Incorporated) |
| M0D | Malete Options (Record 0) File (OpenIsis) |
| M11 | Farallon's MacRecorder Format Sampling Rate 11k |
| M11 | MASS11 Text File |
| M12 | Hydrographs Synthesis Project File |
| M12 | Proprietary Data Format for Interchange of Defense Form Data with Mil-Pac Technology Software Products |
| M12 | S-BASIC File |
| M12 | SHARP MZ-series Emulator File |
| M14 | Steuer2001 File |
| M15 | Apple MPEG-1 Video (Apple Inc.) |
| M15 | thinEdge Model (Petr Schreiber) |
| M18 | Accolade Golf Course File |
| M1A | Apple MPEG-1/2 Audio (Apple Inc.) |
| M1A | MPEG-1 Audiostream |
| M1C | IBM Voice Type Language Newuser File |
| M1I | IBM Voice Type Language Newuser File |
| M1PG | iFinish Video Clip (Media 100 Inc.) |
| M1S | MPEG Media File |
| M1V | MPEG-1 Video File |
| M2 | Modula 2 Language Source |
| M21 | AXMEDIS MPEG-21 File (AxMediaTech S.R.L.) |
| M22 | Farallon's MacRecorder Format Sampling Rate 22k |
| M29 | Turbo Smetchik (Data Basis) |
| M2A | Apple MPEG-1/2 Audio (Apple Inc.) |
| M2A | MPEG-2 Audio |
| M2C | IBM Voice Type Language Newuser File |
| M2I | IBM Voice Type Language Newuser File |
| M2O | Modula Fitted Modula2 File |
| M2P | MPEG-2 Program Stream Format File |
| M2S | MPEG-2 Audio and Video |
| M2T | Media Player video (Microsoft) |
| M2T | Premiere Pro video (Adobe) |
| M2T | VLC video (VideoLAN) |
| M2TS | PowerDVD video (CyberLink) |
| M2TS | VEGAS Pro video (Magix) |
| M2TS | VLC video (VideoLAN) |
| M2V | Media Encoder video (Adobe) |
| M2V | PowerDVD video (CyberLink) |
| M3 | 3DS MAX 3D game character model (Autodesk) |
| M3 | Modula-3 program source code (Modula-3) |
| M3 | WarCraft 3D game character model (Blizzard) |
| M32 | Dr.T MIDI File |
| M3A | MPEG Archive Enhanced .M3U Playlist File |
| M3C | IBM Voice Type Language Newuser File |
| M3D | Corel Motion 3D 3D scene animation (Corel) |
| M3D | Cossacks map (CDV) |
| M3D | DIALux 3D furniture object (DIAL) |
| M3D | EverQuest game data (Daybreak) |
| M3G | Mobile 3D Graphic |
| M3G | Nokia Phone Screen Saver (Nokia) |
| M3I | IBM Voice Type Language Newuser File |
| M3S | Myst III Exile Saved Game (Cyan Worlds, Inc.) |
| M3U | MP3 Playlist File |
| M3U8 | MP3 Playlist File (UTF-8) |
| M3URL | MP3 Playlist File |
| M4 | m4 macro source code (Free Software Foundation) |
| M4 | MetaKit source code (Meta4) |
| M4 | Video Repair Tool corrupted video (Video Repair Tool Developers) |
| M4A | MPEG-4 Audio Layer |
| M4B | MPEG-4 Audio Layer Bookmarkable File |
| M4C | IBM Voice Type Language Newuser File |
| M4F | SNC Video Player Sony Network Camera MPEG-4 Video (Sony) |
| M4I | IBM Voice Type Language Newuser File |
| M4P | Protected AAC File (Apple Inc.) |
| M4R | iPhone Ringtone (Apple Inc.) |
| M4S | Myst IV: Revelation Saved Game (Cyan Worlds, Inc.) |
| M4T | Sage Mas 200 Table File (Sage Software) |
| M4U | Ogg Media Redirector File |
| M4V | iTunes video (Apple) |
| M4V | QuickTime video (Apple) |
| M4V | VLC video (VideoLAN) |
| M64 | Mupen64 Movie Capture |
| M68 | Turbo Pascal DOS File (Borland Software Corporation) |
| M7 | Farallon's MacRecorder Format Sampling Rate 7k |
| M75 | Apple MPEG-1 Video (Apple Inc.) |
| M7A | Mapking Map (Matlas Technologies, Inc) |
| M7A | Yamaha Synthesizer Internal User Memory File (Yamaha Corporation) |
| M8 | Grlib Scry PCserv File |
| M8 | Heretic II MipMap |
| M99 | M99 Compression Algorithm Compressed File (Michael Masicalco) |
| M?? | Ingres Modify Table/Index File (Computer Associates International, Inc.) |
| MA | Diablo II map (Blizzard) |
| MA | hDC Products microApp executable (Micro Applications) |
| MA | Homeworld 3D game scene (Sierra) |
| MA | Mathematica mathematical data (Wolfram) |
| MA | Maya ASCII 3D Scene (Autodesk) |
| MA0 | Diablo II (Blizzard Entertainment) |
| MA1 | Diablo II (Blizzard Entertainment) |
| MA1 | SKY Mobile Phone Icon/Ringtone |
| MA2 | Diablo II (Blizzard Entertainment) |
| MA3 | Diablo II (Blizzard Entertainment) |
| MA3 | Harvard Graphics Macro (Harvard Graphics) |
| MA4 | Diablo II game data file (Blizzard Entertainment) |
| MAAK | PhotoScape Image annotation |
| MAAS | varies (e.g., Image viewers, Media players, Archive managers) Encrypted or Media |
| MAB | SeaMonkey address book (Mozilla) |
| MAB | Thunderbird address book (Mozilla) |
| MAC | Access shortcut (Microsoft) |
| MAC | Cabri II Plus macro (Cabrilog) |
| MAC | Daqarta extended audio data (Interstellar Research) |
| MAC | Dynamics GP macro (Microsoft) |
| MAC | MacPaint bitmap (Apple) |
| MAC | MINITAB macro (Minitab) |
| MAC | PaintShop bitmap (Corel) |
| MAC | PDP-10 MACRO-10 Assembler Compiler Source (DEC) |
| MAC | QuickTime bitmap (Apple) |
| MAC | TASM macro (Micro Focus) |
| MAC | Xcode executable (Apple) |
| MACAPPL | MacDrive (Mediafour Corporation) |
| MACHACHA | MacHacha Split Control File (Pescados Software) |
| MACHINE | Apple II operating system Golden Orchard Apple II CD Rom file |
| MACP | MacPaint Bitmap Graphic |
| MACRO | Apple II operating system Golden Orchard Apple II CD Rom file |
| MACROS | Apple II operating system Golden Orchard Apple II CD Rom file |
| MACWRITE | Apple II operating system Golden Orchard Apple II CD Rom file |
| MAD | Access Module Shortcut (Microsoft Corporation) |
| MAD | Game Movie File (Electronic Arts, Inc.) |
| MAD | Homeworld Model Animation Data (Sierra Entertainment, Inc.) |
| MAD | Mlat AdLib Tracker |
| MADSTATE | Homeworld Model Animation Script (Sierra Entertainment, Inc.) |
| MADX | fotoFlag Meta Action Definition XML (flagNtag inc.) |
| MAE | Maestro Molecular Model (Schrödinger, LLC) |
| MAEGZ | Maestro Compressed Molecular Model (Schrödinger, LLC) |
| MAF | Access Microsoft Access form file (Microsoft) |
| MAF | Notepad mutation annotation file (Microsoft) |
| MAFF | Firefox Mozilla Archive Format Extension Saved Web Page Archive (Mozilla) |
| MAFILE | Steam Desktop Authenticator 2FA Authentication |
| MAG | Access Microsoft Access diagram shortcut file (Microsoft) |
| MAG | Fortis Fortis document file (Westbrook Technologies) |
| MAG | Magic Magic circuit layout file (Open Circuit Design) |
| MAG | Magic Mail Monitor Magic Mail Monitor mailbox file (Valeriy Ovechkin) |
| MAG | Photoshop magenta color separation data file (Adobe) |
| MAG | XnView MP Magichan graphics image file (XnSoft) |
| MAGIC | Magic Mail Monitor Mailbox |
| MAGICS | Magics Project File (Materialise NV) |
| MAGNET | Vuze File (Vuze Project Team) |
| MAH | Mahjongg Solitaire Settings |
| MAHJONGTITANSSAVE-MS | Mahjong Titans Saved Game (Microsoft Corporation) |
| MAI | MS Mail Message |
| MAI | Pegasus Mail Message Directory (David Harris) |
| MAI | Sony Video Thumbnail (Sony Corporation of America) |
| MAI | VAX Mail |
| NeoPlanet Mail Client | |
| MAILABVIEW | MSN AddressBook View (Microsoft Corporation) |
| MAILHOST | MSN Explorer E-mail Server Preferences File (Microsoft Corporation) |
| MAILLOC | Apple Mail Attachment Location Pointers |
| MAILVIEW | MSN Mail Message List (Microsoft Corporation) |
| MAIN | Apple II operating system Golden Orchard Apple II CD Rom file |
| MAINDATA | Unity Unity Game Data |
| MAJ | Profile Master 2000 Job Data (MAP Ltd.) |
| MAK | Make File |
| MAK | Visual Basic Ver. 3.0 Project (Microsoft Corporation) |
| MAK | Visual C++ Project (Microsoft Corporation) |
| MAKE | Drush website build configuration (Drush Contributors) |
| MAKE | Make build configuration (Free Software Foundation) |
| MAKEFILE | Makefile |
| MAKEPP | Makepp Make File (Gary Holt) |
| MAKER | Apple II operating system Golden Orchard Apple II CD Rom file |
| MAKERBOT | MakerBot Desktop 3D model print instructions (MakerBot) |
| MAKERBOT | MakerBot Replicator 3D model print instructions (MakerBot) |
| MAKETAIL | Sourcecontrol File |
| MAKI | Winamp3 Compiled Script (Nullsoft) |
| MAL | Connect Server Configuration (AvantGo, Inc.) |
| MAL | Webalizer.01 Language File |
| MAM | Access Macro Shortcut (Microsoft Corporation) |
| MAN | 7-zip compressed data (Igor Pavlov) |
| MAN | Blaise data (Statistics Netherlands) |
| MAN | ECManGen instrumentation manifest (Microsoft) |
| MAN | Manual Pager manual page (Manual Pager Team) |
| MAN | Notepad data (Notepad) |
| MAN | VLC video clip (VideoLAN) |
| MAN | Windows driver information (Microsoft) |
| MAN | Windows XP mandatory user profile (Microsoft) |
| MAN | WinRAR compressed data (RARLab) |
| MAN | Word manual (Microsoft) |
| MANCPN | Epic Games Launcher Game Metadata |
| MANIFEST | League of Legends manifest (Riot) |
| MANIFEST | Steam download manifest (Valve) |
| MANIFEST | Tom Clancy's The Division installation manifest (Ubisoft) |
| MANIFEST | Unity game asset manifest (Unity) |
| MANIFEST | Valorant manifest (Riot) |
| MANIFEST | Visual Studio package manifest (Microsoft) |
| MANIFEST | Windows system/application update (Microsoft) |
| MANIFEST | Windows XP stylesheet (Microsoft) |
| MANIFEST-000001 | Chrome Chrome database (Google) |
| MANIFEST-000002 | LevelDB Database log file |
| MANX | Manual File |
| MAP | 3Com Network Supervisor network topology map file (3Com) |
| MAP | Actian X termcap file (Actian) |
| MAP | Blood game map file (Monolith) |
| MAP | Carnivores game map file (Action Forms) |
| MAP | Command & Conquer game map file (Electronic Arts) |
| MAP | Creo hint map file (PTC) |
| MAP | Diablo game progress file (Blizzard Entertainment) |
| MAP | Duke Nukem level map file (3D Realms) |
| MAP | Edge server side image map file (Microsoft) |
| MAP | Furcadia game map file (Dragon's Eye Productions) |
| MAP | Hex Workshop character map file (BreakPoint Software) |
| MAP | Imagination Image Map Editor image map file (Multimedia Australia) |
| MAP | Manifold System Manifold project (Manifold) |
| MAP | Map Maker map file (Map Maker) |
| MAP | MapInfo map object file (Precisely) |
| MAP | Offline Explorer Offline Explorer project map (MetaProducts) |
| MAP | OziExplorer map file (Des & Lorraine Newman) |
| MAP | Poser 3D map file (Bondware) |
| MAP | Source SDK level map file (Valve) |
| MAP | SpellForce game map file (THQ Nordic) |
| MAP | Visual Studio map file (Microsoft) |
| MAPF | MainActor Project (MainConcept AG) |
| MAPIMAIL | Mail SentTo Drop (Microsoft Corporation) |
| MAPIMAIL | Outlook Express Mail File (Microsoft Corporation) |
| MAPISEND | MAPISEND File (Microsoft Corporation) |
| MAPLET | Maplet Design File (Blitz Research Ltd.) |
| MAPPING | SQLite, Microcontroller Development Tools, Other Specialized Software Data Mapping |
| MAPSAO | Aleph One Maps (Marathon Open Source) |
| MAPSDATA | Apple Maps Apple Maps Data file (Apple) |
| MAPX | MapDotNet Map Definition File (I.S. Consulting, Inc.) |
| MAQ | Access Query Shortcut (Microsoft Corporation) |
| MAQL | MediaArea Metadata Quick Look |
| MAR | Access report shortcut (Microsoft) |
| MAR | Firefox update (Mozilla) |
| MAR | Mar compressed archive (Mar Developers) |
| MAR | Micrognosis Compression Archiver compressed archive (Micrognosis) |
| MAR | MSN Explorer data (Microsoft) |
| MAR | Pegasus Mail attributes records (David Harris) |
| MAR | Sublime bibliography data (Sublime) |
| MAR | Thunderbird update (Mozilla) |
| MAR | VAX program (DEC) |
| MAR | WebSphere Business Modeler process model template (IBM) |
| MARK | Apple II operating system Golden Orchard Apple II CD Rom file |
| MARKDOWN | Sublime documentation or web page (Sublime) |
| MARKER | Apple II operating system Golden Orchard Apple II CD Rom file |
| MARKERS | Total War game series Game object positions |
| MARKS | Amazon Polly Speech Synthesis Markup |
| MARM | EPOC Makefile for MARM Platform |
| MAS | Access Stored Procedures (Microsoft Corporation) |
| MAS | Focus Master Data Definition |
| MAS | Freelance Graphics Smartmaster File (IBM) |
| MAS | Make A Storybook Storybook (Kennard Consulting) |
| MAS | Nascar SimRacing Data |
| MAS | QuickCard File |
| MAS | WebFOCUS / FOCUS / Web390 MASter File Description (MFD) (Information Builders) |
| MASCOT | Otaku Mascot Mascot (Accursed Toys Inc.) |
| MASK | Apple II operating system Golden Orchard Apple II CD Rom file |
| MASS | Mass Downloader Partial Download (MetaProducts Corporation) |
| MASSAGESOAPBOOK | WinCity Massage SOAP Notes Soap Book (WinCity Custom Software, Inc.) |
| MASTER | Xcode, Git Master data copy |
| MASTER_PREFERENCES | Google Chrome Chrome settings |
| MAT | 3DS MAX material library (Autodesk) |
| MAT | Access table shortcut (Microsoft) |
| MAT | Animation:Master material (Hash) |
| MAT | ArcGIS geocoding matching parameters (ESRI) |
| MAT | Creo material properties data (PTC) |
| MAT | CRiSP Harvest maturation data (School of Aquatic & Fishery Sciences, University of Washington) |
| MAT | Freelancer model textures (Microsoft) |
| MAT | MATLAB workspace variables (MathWorks) |
| MAT | Octave matrix (John W. Eaton et. al.) |
| MAT | Ox matrix (Jurgen A. Doornik) |
| MAT | Poser material library (Bondware) |
| MAT | RCSWin material (RCS) |
| MAT | Vue materials (e-on) |
| MATERIAL | 3D modeling and game development software 3D model appearance |
| MATERIAL_CONFIG | Payday 2 3D model materials |
| MATH | Amaya |
| MATH | AnalyticMath (Paul Hunter) |
| MATRIX | MATLAB MATRIX file (MathWorks) |
| MAUC | Multi-Channel Server (MCS) Component Policy Editor Audio Component (Volantis Systems Ltd.) |
| MAUD | Sound File |
| MAV | Access View Shortcut (Microsoft Corporation) |
| MAW | Access Data Access Page (Microsoft Corporation) |
| MAX | 3DS MAX 3D scene (Autodesk) |
| MAX | 7-Zip data (Igor Pavlov) |
| MAX | Creative Writer document (Microsoft) |
| MAX | CryptoMailer encrypted data (TheGreenBow) |
| MAX | Max source code (Cycling '74) |
| MAX | Maximizer data (Maximizer) |
| MAX | OmniPage scanned document (Nuance) |
| MAX | OrCAD layout database (Cadence) |
| MAX | PaperPort scanned image (Kofax) |
| MAX | PS2 Save Builder powersave (PS2 Save Tools) |
| MAXA | Maxa Crypt Mobile Encrypted File (MAXA Research Int'l Inc.) |
| MAZ | 3ds Max Archived Network Rendering Job (Autodesk, Inc.) |
| MAZ | Division's dVS/dVISE File |
| MAZ | Hover Maze Data |
| MB | EasyShare thumbnail cache (Kodak) |
| MB | MapBasic program (Pitney Bowes) |
| MB | Mathematica binary data (Wolfram) |
| MB | Maya binary 3D scene (Autodesk) |
| MB | WordPerfect memo fields for value databases (Corel) |
| MB1 | Apogee Monster Bash Data |
| MB4 | Model Builder Model Design File (Evan Designs) |
| MBA | Martus Human Rights Bulletin System (Benetech) |
| MBB | Kodak EasyShare digital picture catalog data file (Kodak) |
| MBB | MannaBook collection of indexed and copiled Word documents (MannaBook) |
| MBD | Movie Magic Budgeting Budgeting File (Moviesoft) |
| MBD | Multimedia Builder Data (as-master) |
| MBD | Multimedia Builder MP3 Authoring File (Mediachance.com) |
| MBD | Revolution EDX Catalog (4pi Analysis, Inc.) |
| MBDB | iTunes, Finder iOS backup manifest |
| MBF | Corel Visual DTD Document Type Definition for SGML |
| MBF | Money backup file (Microsoft) |
| MBFAVS | Stardent AVS X Image |
| MBFS | Stardent AVS X Image |
| MBG | Mailbag Assistant E-mail Archive |
| MBG | MS Mail Mailbag |
| MBI | MBasic Source Code |
| MBK | Atari (Atari) |
| MBK | dBASE database backup file (dBase LLC) |
| MBK | VersaPro Motion Block Backup |
| MBL | Logger Pro Experiment Data File (Vernier Software & Technology) |
| MBL | Multi-Batch Batch Listing (Engineering Graphics (nsw) pty. Ltd) |
| MBLOOK | Adobe Lightroom Mobile Lightroom Mobile Presets |
| MBM | SymbianOS Multi BitMap Image |
| MBN | Sony Ericsson Mainware File (Sony Ericsson Mobile Communications AB) |
| MBOX | Thunderbird mailbox (Mozilla) |
| MBOX | Windows MBox Viewer mailbox (Windows MBox Viewer) |
| MBP | Balder Multiboot project data file (HCData) |
| MBP | Medbasin project file (National Technical University of Athens) |
| MBP | MediaBase data package (Digilink) |
| MBP | MediaShow project file (CyberLink) |
| MBP | Mobipocket Reader eBook auxiliary file (Amazon) |
| MBP | Modbus Poll project file (Witte) |
| MBP1 | Amazon Kindle Kindle Clippings |
| MBPV2 | Amazon Kindle Kindle ebook metadata |
| MBR | AS/400 Physical File Member (IBM) |
| MBS | 7-Zip data (Igor Pavlov) |
| MBS | Isotiles game scene (Robert Alvarez) |
| MBS | Mailbag Assistant script (Fookes) |
| MBS | Opera mailbox (Opera) |
| MBS | Picture Publisher brush shape (Corel) |
| MBS | Simotion web page archive (Siemens) |
| MBSA | Microsoft Baseline Security Analyzer Report (Microsoft Corporation) |
| MBT | ecBuilder Template |
| MBT | HASLEMERE / Other MBT Applications MBT Data File (Modern Business Technology Limited) |
| MBTILES | MBTiles Map tile storage |
| MBTN | Multi-Channel Server (MCS) Component Policy Editor Button Image Component (Volantis Systems Ltd.) |
| MBU | Neverwinter Nights Music File |
| MBUNDLE | Neo Geo Arcade Stick Pro Game Resources Bundle |
| MBV | Corel.visualDTD.7 |
| MBW | Escape Room 2 game data backup file (Identity Games International B.V.) |
| MBW | MarketBrowser backup file (Leading Market Technologies, Inc.) |
| MBW | MBRWizard database backup file (Firesage Solutions) |
| MBX | Eudora mailbox file (Computer History Museum) |
| MBX | MapBasic executable application file (Pitney Bowes) |
| MBX | Outlook Express mailbox file (Microsoft) |
| MBX | Thunderbird mailbox file (Mozilla) |
| MBZ | Moodle backup archive file (Moodle) |
| MBZ | Nintendo Entertainment System Emulator Pogoshell Plugin emulator plugin file |
| MBZ__ | Moodle Moodle Backup File |
| MC | Bricolage Page Template (Bricolage Development Team) |
| MC | MetaCard Script |
| MC | Modula-3 M3CG intermediate Language File |
| MC | NRC Inspection Manual Chapter |
| MC | PlaySaver and PSEmuPro Memory Card Save and Single Game Save |
| MC | Windows Localized Message Table Resource |
| MC$ | Magic Xchange Package |
| MC1 | MedCalc Data File |
| MC2 | Mastercook File (Sierra) |
| MC3 | Bridge Design Modeler 3D Match-Casting Geometry Control |
| MC4 | MicroCase Data File (Cengage Learning) |
| MC4D | Cinema 4D v4.x Object (MAXON Computer GmbH) |
| MC5 | Grafic Jpg Bcc file/microsoft C v5 related file |
| MC6 | C File/Makefile (Microsoft Corporation) |
| MC7 | Mastercam 7 File (CNC Software, Inc.) |
| MC8 | Mastercam 8 File (CNC Software, Inc.) |
| MC9 | Mastercam 9 File (CNC Software, Inc.) |
| MCA | DataMaster spectral data (Ortec) |
| MCA | DisplayWrite compound document (IBM) |
| MCA | I-DEAS Web ACCESS data (I-DEAS) |
| MCA | MapFactor gps data (MapFactor) |
| MCA | Medicare Auditor audit cost report (Health Financial Systems) |
| MCA | Minecraft world (Mojang) |
| MCADDON | Minecraft Bedrock Edition Minecraft add-on |
| MCAM | Mastercam CAD/CAM Data |
| MCB | Grlib Ravekit File |
| MCB | Merak Email Server Configuration Backup (IceWarp Ltd.) |
| MCB | NEPLAN Project File (BCP Busarello + Cott + Partner Inc.) |
| MCC | Amiga MUI External Class/Library (SASG) |
| MCC | Dialer10 Calling Card |
| MCC | Incite Media Assistant File |
| MCC | MathCAD Configuration (Mathsoft Engineering & Education Inc.) |
| MCC | Monu-Cad Pro CAD File |
| MCC | Mylar City Character Editor |
| MCC | The Microsoft Network Shortcut (Microsoft Corporation) |
| MCC | VectorWorks/MiniCAD File |
| MCCS | Monitor configuration software Stores monitor settings |
| MCD | Bleem! memory card save state (Bleem! Developers) |
| MCD | Mathcad document (PTC) |
| MCD | MediaCD configuration (Bot Productions) |
| MCD | Monu-Cad 3D monument drawing (Monumental) |
| MCD | NotePad data (Craig McDowall) |
| MCD | PowerDesigner process model (SAP) |
| MCD | Vectorworks drawing/texture (Nemetschek) |
| MCDX | Mathcad Prime (PTC) |
| MCF | 7zip compressed data (Igor Pavlov) |
| MCF | Carbide 3D job (Carbide 3D) |
| MCF | HotSauce graphics (Apple) |
| MCF | Mastercook cookbook (Sierra) |
| MCF | Mathcad font (PTC) |
| MCF | MAX configuration (Max B.V.) |
| MCF | MimioStudio gallery pack (Boxlight) |
| MCF | Myriad configuration (Myriad Communications Ltd) |
| MCF | Norton 360 scan log (NortonLifeLock) |
| MCF | Photobook photobook/album (Cewe) |
| MCF | SignIQ media collection (ImpulseLogic) |
| MCF | TMPGEnc conversion template (Pegasys) |
| MCF | VLC movie (VideoLAN) |
| MCFUNCTION | Minecraft Minecraft commands |
| MCFX | CEWE Design Software Photobook Project |
| MCH | Machinery HDR Effects Machinery HDR Effects (Maszyneria) |
| MCH | Xtra Cache File (Macromedia) |
| MCHT | Multi-Channel Server (MCS) Component Policy Editor Chart Component (Volantis Systems Ltd.) |
| MCI | Media Control Interface Command Set |
| MCIF | MacroMolecular Crystallographic Information File |
| MCL | Cabal Online Game data file (ESTsoft) |
| MCL | Golly Source file (Andrew Treverrow) |
| MCL | ImgBurn Project source file (Lightning UK!) |
| MCL | Macro Command Language |
| MCL | MCell Cellular Automata file (Mirek Wojtowicz) |
| MCL | Microsoft Flight Simulator X Game data file (Xbox Game Studios) |
| MCL | MikroC PRO for PIC Project source file (MikroElektronika) |
| MCL | Multi-Edit MultiEdit macro library (Multi Edit Software) |
| MCL | Multimedia Manager Collection File |
| MCL | MUSHclient MUSHclient World Information File (Nick Gammon) |
| MCL | Prince Of Persia Game data file (Ubisoft) |
| MCL | Ubuntu Program file (Canonical) |
| MCL | VectorWorks Template file (Nemetschek) |
| MCL | Windows Media Center Link file (Microsoft) |
| MCLEVEL | Minecraft Minecraft Indev Map File (Mojang Specifications) |
| MCM | Enable Macro |
| MCM | MacMolecule File |
| MCMETA | Minecraft resource pack configuration (Mojang) |
| MCO | MSN Messenger Wink File (MSN) |
| MCP | Capsule Application Script |
| MCP | Freescale CodeWarrior classic project file (NXP) |
| MCP | Master Compiler profile file |
| MCP | MathCAD printer driver (PTC) |
| MCP | Megacubo package (Megacubo) |
| MCP | MPLab IDE project file (Microchip) |
| MCP | MSN Content Plus compressed installer file archive (MSN Content Plus) |
| MCP | MUI class/library file (SASG) |
| MCP | MUSICompress compressed audio file (Soundspace Audio) |
| MCP | NetMC Player composed media multimedia file (NETmc Marine) |
| MCP | WaveZIP compressed audio file (Gadget Labs) |
| MCPACK | Minecraft Minecraft Add-ons |
| MCPR | Replay Mod Minecraft replay |
| MCQ | McAfee Quarantined File |
| MCR | 3DS Max macro (Autodesk) |
| MCR | Auditor medical cost report (Health Financial Systems) |
| MCR | BricsCAD macro (Bricsys) |
| MCR | CuteFTP script (GlobalSCAPE) |
| MCR | DataCAD macro (DATACAD) |
| MCR | ePSXe game save (ePSXe) |
| MCR | Generic CADD macro (Generic Software) |
| MCR | Macro Magic macro (iolo) |
| MCR | Macro Recorder macro (JitBit) |
| MCR | Minecraft virtual world region (MoJang) |
| MCR | Perfect Keyboard macro (Pitrinec) |
| MCR | Tecplot 360 macro (Tecplot) |
| MCS | Excel game automation sheet (Microsoft) |
| MCS | HalfLife MapCycle - Editor map cycle set (Nico Stöckigt) |
| MCS | iMPACT hex object (Xilinx) |
| MCS | MathCAD image (PTC) |
| MCS | McAfee installation data (McAfee) |
| MCS | Mimics project (Materialise) |
| MCSA | STALKER Anomaly 3D model container |
| MCT | MapChart Genetic Map Data (Plant Research International) |
| MCT | MSN Messenger Packaged Wink File (MSN) |
| MCT | Musicator |
| MCTABLE | Minecraft Minecraft Chunk Data |
| MCW | MacWrite II Macintosh Text File |
| MCW | Word for Macintosh Document (Microsoft Corporation) |
| MCWORL | Minecraft Minecraft World Backup (Microsoft) |
| MCWORLD | Minecraft world (Mojang) |
| MCX | Intel Connection fax document (Intel) |
| MCX | MacroX macro (Millsoft) |
| MCX | Mastercam 3D model (CNC Software) |
| MCX | MasterCook recipe picture (Sierra) |
| MCX-5 | Mastercam X5 CAD, CAM data |
| MCZ | Poser 3D model compressed material (Bondware) |
| MC_ | Musicato Compressed File |
| MD | Chaos Desktop metadata file (Adtollo) |
| MD | Dmuse music notation file (Center for Computer Assisted Research in the Humanities) |
| MD | e-Learning Objects Tool metadata file (TekniCAL) |
| MD | GNU Compiler Collection machine description file (Free Software Foundation) |
| MD | Markdown markup code file (John Gruber) |
| MD | Mayura Draw vector drawing file (Mayura) |
| MD | MDCD compressed archive file |
| MD | Moneydance data file (The Infinite Kind) |
| MD | Mungyodance game data file (VULPvibe) |
| MD | Notepad markup code file (Microsoft) |
| MD | Technics Keyboards MIDI settings file (Technics) |
| MD1 | Gear CD Suite File |
| MD2 | Quake 2 Player Model |
| MD3 | Quake III Arena Model File (ID Software) |
| MD5 | Checksum checksum (Corz) |
| MD5 | ExactFile checksum (StudyLamp) |
| MD5 | FreeCommander checksum (Marek Jasinski) |
| MD5 | fsum checksum (SlavaSoft) |
| MD5 | IsoBuster checksum (Smart Projects) |
| MD5 | MD5summer checksum (Luke Pascoe) |
| MD5 | Odin smartphone firmware and checksum (Samsung Odin Community) |
| MD5SUM | QuickSFV MD5 Checksum (QuickSFV) |
| MD8 | CDrom Database File |
| MD8 | Mediator Project (MatchWare) |
| MDA | Access 2 Workgroup (Microsoft Corporation) |
| MDA | Access Add-in (Microsoft Corporation) |
| MDA | Meridian Data Slingshot |
| MDA | MicroDesign Area File (Creative Technology) |
| MDA | Rays Media Data |
| MDB | Access database file (Microsoft) |
| MDB | Mathematica database file (Wolfram) |
| MDB | Mediator multimedia data file (MatchWare) |
| MDB | Mono debugging information file (Mono) |
| MDB | NEi Nastran model database (NEi) |
| MDB | Pro/ENGINEER model database (PTC) |
| MDB | ProWORX Nxt memory data file (Schneider Electric) |
| MDB | Visual Studio database file (Microsoft) |
| MDBACKUP | iTunes backup file (Apple Inc) |
| MDC | MedDC Mail Pouch (Asier Technology Corporation) |
| MDC | Pfeiffer Quadstar Mass Spectrometer Data (Pfeiffer Vacuum GmbH) |
| MDC | PowerPlay Power Cube (Cognos Incorporated) |
| MDD | Blender vector image file (Blender) |
| MDD | Database Designer for MySQL database diagram (MicroOLAP) |
| MDD | LightWave 3D deformation data file (NewTek) |
| MDD | MacDraft vector image file (Microspot) |
| MDD | MatLab instrument driver (MathWorks) |
| MDD | MDict resource data file (Octopus Studio) |
| MDD | SPSS Statistics/Data collection metadata document file (IBM) |
| MDDATA | Apple iOS, macOS Metadata storage |
| MDE | Access data (Microsoft) |
| MDE | ArchiCAD module (Graphisoft) |
| MDF | Alcohol 120% disk image file (Alcohol Soft) |
| MDF | CANape measurement data (Vector) |
| MDF | CANgraph measurement data (Vector) |
| MDF | Capture Classic filler file (Accelio) |
| MDF | Daemon Tools disk image file (Disc Soft) |
| MDF | Fldigi macro definition file (David Freese) |
| MDF | I-DEAS 2D drafting machine data (Siemens) |
| MDF | Insight II molecular modeling data file (Accelrys) |
| MDF | IsoBuster disk image file (Smart Projects) |
| MDF | MagicIso disk image file (MagicIso) |
| MDF | PowerIso disk image file (Power Software) |
| MDF | ProWORX Nxt memory data file (Schneider Electric) |
| MDF | SDL Trados Studio translation memory index data file (SDL) |
| MDF | SQL Server database file (Microsoft) |
| MDF | Star Trek Armada game data file (Activision) |
| MDF | WinMount disk image file (WinMount) |
| MDG | Mindomo, MicroStation Diagram or Drawing |
| MDH | Madhyam Hindi Word Processor File (Balendu Sharma Dadhich) |
| MDHTML | Access HTML File (Microsoft Corporation) |
| MDI | Awave Studio audio clip (FMJ) |
| MDI | C++ Builder multiple document interface (Embarcadero) |
| MDI | Miles Sound System audio clip (RAD Game Tools) |
| MDI | Office scanned document (Microsoft) |
| MDINFO | iTunes backup file (Apple Inc) |
| MDINFO | Notepad backup file (Microsoft Corporation) |
| MDINFO | TextEdit backup file (Apple Inc) |
| MDJ | StarUML UML Diagram |
| MDK | Schedule File (Ad Astra) |
| MDL | 3D Design Plus Model |
| MDL | 3D GameStudio Model Entity (Conitec Datasystems, Inc) |
| MDL | Animation:Master 3D Model (Hash) |
| MDL | ASTi Model Builder |
| MDL | CA-Compete! Spreadsheet |
| MDL | Digitrakker Music Module |
| MDL | Flight Simulator 3D Model File (Microsoft Corporation) |
| MDL | Half-life Model |
| MDL | MapShots Software |
| MDL | Mighty Draw DOS Library (theliquidateher Software, An MCS Investments, Inc. Company) |
| MDL | Moray Wireframe Model (SoftTronics) |
| MDL | Quake Model File |
| MDL | RapidForm Proprietary Format (INUS Technology, Inc.) |
| MDL | Rational Rose Object Design Model (IBM) |
| MDL | Simulink Simulation Model (The MathWorks, Inc.) |
| MDL | Steam Source SDK Model Content File (Valve Corporation) |
| MDL | Symbian OS MIME Type Library |
| MDM | Mario Dash Map File |
| MDM | Telix Modem Definition |
| MDMF | MindManager Mind Map Data |
| MDMP | Windows error dump/report (Microsoft) |
| MDN | Access blank database (Microsoft) |
| MDO | Alcohol 120% Split Image File (Alcohol Software) |
| MDO | Internet Information Server Configuration Backup (Microsoft Corporation) |
| MDP | FireAlpaca painting (PGN) |
| MDP | MediaBang Paint painting (MediaBang) |
| MDP | MicroDesign page (Creative Technology) |
| MDP | Visual Studio .NET project converter data (Microsoft) |
| MDP | Visual Studio project (Microsoft) |
| MDP | Visual Studio workspace settings (Microsoft) |
| MDPLIST | iTunes, Finder iOS Backup Metadata |
| MDPR | Multi-Channel Server (MCS) Device Policy Editor Device Profile Repository (Volantis Systems Ltd.) |
| MDR | FaxTalk Modem Doctor Modem Report File |
| MDR | MagicDraw UML Project (No Magic, Inc.) |
| MDR | MAX II Recovery File (Max B.V.) |
| MDR | ZX Spectrum-Emulator Microdrive File |
| MDRG | Minecraft Dungeons Saving game progress |
| MDS | Daemon Tools disk image media descriptor (Disc Soft) |
| MDS | DirectX data (Microsoft) |
| MDS | PowerISO disk image media descriptor (Power) |
| MDS | SeeYou raster map (Naviter) |
| MDT | Access database template/add-in data file (Microsoft) |
| MDT | GeoMedia database template file (Hexagon) |
| MDT | NOVA measurements data (NT-MDT) |
| MDT | Visual C++ data table file (Microsoft) |
| MDV | M1 Pattern File (H. Stoll GmbH & Co.) |
| MDV | QLAY MDV Image |
| MDW | Access database workgroup information (Microsoft) |
| MDX | Astroburn disc data and volume formatting metadata file (Disc Soft) |
| MDX | Borland Database Engine index file (Micro Focus) |
| MDX | Daemon Tools disc data and volume formatting metadata file (Disc Soft) |
| MDX | dBASE multiple index file (dBASE) |
| MDX | Label Pro re-index file (Avery) |
| MDX | MDict dictionary file (Octopus Studio) |
| MDX | Rational ROSE XDE model file (IBM) |
| MDX | SQL Server database index file (Microsoft) |
| MDX | Warcraft III 3 D game model file (Blizzard) |
| MDYV | Multi-Channel Server (MCS) Component Policy Editor Dynamic Visual Component (Volantis Systems Ltd.) |
| MDZ | Access Wizard Template (Microsoft Corporation) |
| MDZ | Cubic Player/Cross-View Music Module Description |
| MDZ | Protracker/Module File |
| MD_ | Visc15 Adressen Setup File |
| ME | Multi Edit configuration (Multi Edit) |
| ME | Notepad++ application/project documentation (Don Ho) |
| ME | nroff text/macro document (nroff Developers) |
| ME | troff text document (Ralph Corderov) |
| ME | WhatsApp data (WhatsApp) |
| ME! | Text (Generally a README File) |
| ME1 | Zortech 21 Sample Winexam File |
| ME3 | Multimedia Email Message (ArcSoft, Inc.) |
| MEA | Mastersizer 2000 Sample Analysis/Measurement (Malvern Instruments Ltd) |
| MEA | Meazure File |
| MEB | Open eBook document (International Digital Publishing Forum) |
| MEB | PRO100 3D interior catalog element (ECRU) |
| MEB | WordPerfect macro editor bottom overflow (Corel) |
| MEC | Maximus MECCA Source |
| MED | A2B Player Purchase (DigitalPhono.com) |
| MED | Amiga MED/OctaMED Tracker Module Sound File |
| MED | Medline Document |
| MED | MOBILedit! Phone Information (COMPELSON Laboratories) |
| MED | Notes 5 Medical Dictionary File (IBM) |
| MED | WordPerfect Macro Editor Delete Save (Corel Corporation) |
| MEDIA | various multimedia players and applications Multimedia container |
| MEDIAONEPROJECT | MediaOne Project (Corel Corporation) |
| MEDLINE | Medline Document |
| MEDS | CyberLink MediaEspresso Image Edit Metadata |
| MEF | Jaws PDF Server Exported Settings (Global Graphics Software Ltd.) |
| MEF | MAIET Encrypted File System (MAIET entertainment, Inc.) |
| MEFP | ExerciseRT Sample Data Record (Morgan Medical Ltd.) |
| MEFS | ExerciseRT Secondary Data Record (Morgan Medical Ltd.) |
| MEG | MEGA genetics data file (MEGA Team) |
| MEG | Star Wars: Empire at War game archive file (LucasArts) |
| MEGA | Megacubo meta data file (Megacubo) |
| MEI | Apple II operating system Golden Orchard Apple II CD Rom file |
| MEK | Gearhead Garage Game File (Mekada) |
| MEL | Ericsson Phone Melody |
| MEL | Maya Embedded Language Script (Alias Systems, a division of Silicon Graphics Limited) |
| MELL | Mellel Document (RedleX) |
| MEM | BPM Studio sampler functions save file (ALCATECH) |
| MEM | Clarion database memo file (SoftVelocity) |
| MEM | FANUC Picture parameter file (FANUC) |
| MEM | MioFactory object file (Mioplanet) |
| MEM | Mnemosyne flash card collection file (Mnemosyne Project) |
| MEM | Parallels Desktop for Mac memory dump file (Parallels) |
| MEM | Payroll Software data file (Medlin Accounting) |
| MEM | Virtual Game Station game content file (Connectix) |
| MEM | Visual FoxPro memory variables and arrays (Microsoft) |
| MEM | WordPerfect macro file (Corel) |
| MEMB | Pro/ENGINEER Temporary File (PTC) |
| MEMGRAPH | Memory Resource Exception Graph Viewer macOS memory graph |
| MEMO | Samsung Memo Samsung Memo file (Samsung) |
| MEMO | Unknown Found in Multiple GNU/Linux Packages |
| MEMORYMETADATA | Photos.app Photos Memories metadata |
| MEN | Geometry II Plus Utility (Cabrilog) |
| MEN | Menu |
| MEN | MenuPro Menu Design (SoftCafe) |
| MENC | Windows Mobile encrypted version of the original file (Microsoft) |
| MEOW | Epic Battle Fantasy 5 Saving game progress |
| MEP | Inor MePro Software File |
| MEPJ | Movavi Video Editor Plus video editing |
| MEPS | Movavi Video Editor Movavi editing project (Movavi) |
| MEPX | MAGIX Movie Edit Pro video project |
| MEQ | WordPerfect Macro Editor Print Queue (Corel Corporation) |
| MER | FactoryTalk View runtime application (Rockwell Automation) |
| MER | FileMaker data (Claris) |
| MER | MyEclipse entity-relationship diagram (Genuitec) |
| MER | WordPerfect resident area (Corel) |
| MES | A2B Player File (DigitalPhono.com) |
| MES | Message File |
| MES | SpectraMagic Data File (Konica Minolta Holdings, Inc.) |
| MES | WordPerfect Macro Editor Work Space (Corel Corporation) |
| MESA | Opengl Glut-3.6 File |
| MESH | Godot Engine 3D mesh (Juan Linietsky and Ariel Manzur) |
| MESH | MeshLab 3D mesh (ISTI) |
| MESH | Ogre Meshy 3D mesh (OGRE) |
| MESHES | BeamNG.drive 3D Model Geometry |
| MESHWORLD | Hamsterball Level File (Raptisoft, LLC) |
| MESSAGE | email clients, servers, libraries email storage/transfer |
| MESSAGES | Apple II operating system Golden Orchard Apple II CD Rom file |
| MESSENGER | Apple II operating system Golden Orchard Apple II CD Rom file |
| MET | ActiveSky export data (HiFi) |
| MET | Dragon Age: Origins saved game (Electronic Arts) |
| MET | Draw image (Apache) |
| MET | eDonkey cached information (MetaMachine) |
| MET | eMule cached information (eMule Team) |
| MET | HEC-HMS metereologic model configuration (U.S. Army Corps of Engineers) |
| MET | OmniPage document (Kofax) |
| MET | Presentation Manager image (IBM) |
| MET | PVsyst metereological data (PVsyst) |
| MET | WordPerfect overflow data (Corel) |
| META | Black & White creature mind metadata (EA) |
| META | RealPlayer video metadata (RealNetworks) |
| META | Unity asset metadata (Unity) |
| META4 | MirrorBrain Download Description |
| METADATA | Apple Metadata Apple Property List |
| METADATA-V2 | Google Chrome Website metadata |
| METALINK | Metalink File (Anthony Bryan) |
| METHOD | PNG image file Method Description |
| METHODS | Likely a Text File |
| METRICLOG | iOS diagnostics iOS crash report (Apple) |
| MEU | DOS Shell Menus |
| MEW | MultiEdit Configuration (Multi Edit Software Incorporated) |
| MEX | Macro Express macro (Insight Software Solutions) |
| MEX | MCUXpresso project configuration file (NXP) |
| MEX | WordPerfect expound data file (Corel) |
| MEX4 | MATLAB Sun-4/SPARC Dynamically Linked Subroutines (The MathWorks, Inc.) |
| MEXA64 | MATLAB (64-bit) MATLAB extension |
| MEXDS | MATLAB DECStation Dynamically Linked Subroutines (The MathWorks, Inc.) |
| MEXHP3 | MATLAB HP9000/Series 300 Dynamically Linked Subroutines (The MathWorks, Inc.) |
| MEXHP7 | MATLAB HP9000/Series 700 Dynamically Linked Subroutines (The MathWorks, Inc.) |
| MEXMACI64 | MATLAB MATLAB Executable |
| MEXN | MATLAB NeXT Dynamically Linked Subroutines (The MathWorks, Inc.) |
| MEXRS6 | MATLAB IBM RS/6000 Dynamically Linked Subroutines (The MathWorks, Inc.) |
| MEXSG | MATLAB SGI Dynamically Linked Subroutines (The MathWorks, Inc.) |
| MEXW32 | MATLAB MATLAB extension module |
| MEXW64 | MATLAB MATLAB executables |
| MEY | Notes 5 Full Text Index (IBM) |
| MEZ | MusicEase Music Notation File (MusicEase Software) |
| MEZ | RealArcade Game Information |
| MF | FrameMaker makerfile (Adobe) |
| MF | JDK manifest (Oracle) |
| MF | LaTeX font description (LaTeX Project) |
| MF | Manifest 2D graphics (Manifest Developers) |
| MF | MoonFish track (Bram Bos) |
| MF | Panda3D multifile (Carnegie Mellon University) |
| MF1 | NXI-deas Model File (Ford) |
| MF2 | Authorware Mediator5 Multimedia File (Adobe Systems Incorporated) |
| MF4 | MDF4 Reader Measurement Data Storage |
| MFA | Games Factory source code file (Clickteam) |
| MFA | Site Server report definition file (Microsoft) |
| MFAR | OpenFST Mobile model archive |
| MFASL | Mozilla (Netscape) XUL FastLoad File (Mozilla.org) |
| MFC | Mankind File |
| MFD | ABC Programming Language Monadic Function |
| MFD | Adobe Multiple Master Font Metrics Directory File (Adobe Systems Incorporated) |
| MFD | F1RC Relay Game Code File |
| MFD | Multiframe Structural Frame Model (Formation Design Systems Pty Ltd) |
| MFF | MIDI File Format |
| MFG | MediaForge Runtime Player Distribution Project (XMLAuthor, Inc.) |
| MFH | MiniTool ShadowMaker Hash File |
| MFI | Win98rk File |
| MFJ | MetaFont Job Batch Input |
| MFK | Mafuka Audio |
| MFL | Mozilla (Netscape) XUL FastLoad File (Mozilla) |
| MFM | DMP Music Format |
| MFM | mTropolis mPire Interactive Multimedia Title (Quark) |
| MFM | VTeX Multiple Master Font Metrics |
| MFMOD | Mobile Forces Game MOD (Rage Software) |
| MFO | MediaFace Online Saved File (Neato, Inc.) |
| MFS | MetFS Partition (EnderUNIX) |
| MFT | Kaspersky Anti-Virus table file (Kaspersky Labs) |
| MFT | MediaFACE project template file (Neato) |
| MFT | MetaFont Source Formatter style file |
| MFW | Mamiya Camera RAW File (Mamiya) |
| MFW | mTropolis mPire Interactive Multimedia Title (Quark) |
| MFX | mTropolis mPire Interactive Multimedia Title (Quark) |
| MG | Modula-3 Generic Module Source |
| MG1 | MusiGenesis Project File (Kenneth Adams) |
| MGA | Migrys IMR Call Flow (Migrys Innovations) |
| MGC | Clipart Collection Catalog (Microsoft Corporation) |
| MGC | Equation Editor File (MGCSoft) |
| MGCF | MagicInstall Compressed File |
| MGD | Master Grade Gradebook |
| MGD | Mungyodance Data Pack (Empathetic Enteprises) |
| MGF | CorelDRAW fonts (Corel) |
| MGF | DataModeler XML schema project data (MissionCritical) |
| MGF | MalieGF bitmap |
| MGF | Mascot generic data (Matrix Science) |
| MGF | Monarch graphics (Altair) |
| MGK | ImageMagick Ver. 5.3.2 Coders File (ImageMagick Studio LLC) |
| MGL | Age of Kings (Microsoft Corporation) |
| MGL | mosascii m2 and MosASCII Graphics Library (Robert DeFusco) |
| MGM | MGCSoft Equation Editor Macro File |
| MGMAP | Ygnius MindGenius Mind Map (Ygnius) |
| MGMF | MindGenius Mind Map (MindGenius Ltd.) |
| MGN | Modern Genealogy Genealogy Database (Modern Genealogy, LLC) |
| MGN2 | Bloody gaming mouse macro file (Bloody) |
| mgp | MagicPoint File |
| MGR | MGR Bitmap |
| MGRP | Multi-Channel Server (MCS) Component Policy Editor Asset Group (Volantis Systems Ltd.) |
| MGR_DATA | various Games/Game Engines Storing Game Data |
| MGS | Intelligence Tracking System File |
| MGTPL | Ygnius MindGenius Template (Ygnius) |
| MGU | Band-in-a-Box MIDI File (PG Music, Inc.) |
| MGV | Yamaha Mega Voices (Yamaha Corporation of America) |
| MGX | Micrografx Picture Publisher Clipart |
| MGX | Rise of Nations Saved Game (Microsoft Corporation) |
| MGZ | Metal Gear Solid Archive |
| MH | Graphic File |
| MHA | ITK ITK MetaImage (Insight) |
| MHB | Marvelous Designer Character save file |
| MHD | ITK-SNAP Medical image header |
| MHF | Maestro ERP Hot Fix (Maestro Technologies Inc.) |
| MHG | Multimedia File |
| MHK | Broderbund Mohawk Archive |
| MHK | Riven Movie Data File |
| MHP | Home Publishing Project (Microsoft Corporation) |
| MHPRODUCT | MotionComposer Motion design asset |
| MHR | Monster Hunter Rise Save Game Data |
| MHT | Chrome encapsulated web page (Google) |
| MHT | Edge encapsulated web page (Microsoft) |
| MHT | Firefox encapsulated web page (Mozilla) |
| MHT | Word encapsulated web page (Microsoft) |
| MHTENX | egis Encrypted HTM File (HiTRUST Inc.) |
| MHTM | MHTML Document (Microsoft Corporation) |
| MHTML | Chrome encapsulated web page (Google) |
| MHTML | Edge encapsulated web page (Microsoft) |
| MHTML | Firefox encapsulated web page (Mozilla) |
| MHTMLENX | egis Encrypted MHTML File (HiTRUST Inc.) |
| MI | CoCreate CAD File |
| MI | mental ray Scene File (mental images GmbH) |
| MI | Miscellaneous |
| MI | Winamp3 MAKI Scripting Library |
| MI4 | HDD 100/120 Audio Jukebox Firmware File (Koninklijke Philips Electronics N.V.) |
| MIA | Babya bMix/Logic Music Project File (Babya Software Group) |
| MIA | MusicIndiaOnline Trident Player Music File (MusicIndiaOnLine) |
| MIB | Management Information Base File |
| MIB | MyInfo Topic File Backup (Milenix Software Ltd.) |
| MIB | SNMP MIB File |
| MIC | Image Composer File (Microsoft Corporation) |
| MIC | PDP-10 Macro Interpreted Commands |
| MICROSTACKSHOTS | iOS iOS performance snapshots |
| MID | MapInfo Interchange Format (MapInfo Corporation) |
| MID | Musical Instrument Digital Interface MIDI-sequention Sound |
| MIDI | Musical Instrument Digital Interface MIDI-sequention Sound |
| MIDNAM | Pro Tools MIDI Patch Name File (Avid Technology, Inc.) |
| MIF | EarthLink email message index (EarthLink, Inc.) |
| MIF | FrameMaker interchange format (Adobe) |
| MIF | ImageMagick raster image file (ImageMagick Studio LLC) |
| MIF | Management Information Format graphics format (Distributed Management Task Force, Inc.) |
| MIF | MapInfo Professional interchange format file (Precisely) |
| MIF | MicroHof .MIF Assembler File |
| MIF | MIDI Instrument |
| MIF | Molecular Information Format |
| MIF | Software License Tracking Tool |
| MIF | Systems Management Server (SMS) management information format (Microsoft Corporation) |
| MIF | Watcom Make Script |
| MIFF | ImageMagick Machine Independent File Format Bitmap (ImageMagick Studio LLC) |
| MIG | Mighty Draw backup file (Theliquidateher) |
| MIG | USMT backup file (Microsoft) |
| MII | MicroStat II Data File |
| MII | PageWiz Image (Microtek) |
| MII | Wii Avatar File (Nintendo) |
| MIIA | Xiaomi Camera Software Xiaomi Camera Image |
| MIIS | Mii facial image data |
| MIL | Group 4 Fax File |
| MIL | Micro Illustrator Uncompressed Graphic |
| MILK | MilkDrop Winamp Visualization Plug-in Preset File (Nullsoft, Inc.) |
| MIM | Multi-Purpose Internet Mail Extensions (MIME) File |
| MIME | Multi-Purpose Internet Mail Extensions (MIME) File |
| MIME-ATTACHMENT | EMail program Email attachment |
| MIMETYPE | Operating systems and web servers File type identification |
| MIMG | Multi-Channel Server (MCS) Component Policy Editor Image Component (Volantis Systems Ltd.) |
| MIN | Advanced One-Touch CNC program (Okuma) |
| MIN | Apple DOS disk image (Apple) |
| MIN | INTERMAGNET geology data (INTERMAGNET Developers) |
| MIN | OrCAD PCB Designer PCB layout (Cadence) |
| MIND | XMind, MindManager, FreeMind Mind map file |
| MINE | Minecraft Minecraft Map File (Mojang Specifications) |
| MINESWEEPERSAVE-MS | Minesweeper Saved Game (Microsoft Corporation) |
| MINGW | Mingw Make File |
| MINGW32 | Mingw Compiler File |
| MINI | miniControl Data File (LucaNet) |
| MINIGSF | Winamp Gameboy Advance Portable Sound File (Nullsoft) |
| MINIPSF | Playstation Sound Format (Miniature Playstation Sound Format) (Sony Corporation of America) |
| MINIPSF2 | Playstation 2 Sound Format (Miniature Playstation Sound Format) (Sony) |
| MINIUSF | Nintendo Ultra 64 Sound Format (Nintendo) |
| MINT | Mint installation package files |
| MIO | Iphoto4 Programs Fio File |
| MIO | mexReader Multimedia File |
| MIO | MIO Compressed Audio |
| MIO | Mio Technology Generic Communications Format (Mioplanet Technologies, Inc.) |
| MIO | MyInfo Topic File (Milenix Software) |
| MIP | MODDE Project (Umetrics AB) |
| MIP | Paint Shop Pro Multiple Image Print File (Corel Corporation) |
| MIPSEL | Mips File |
| MIR | Mirage Project File (TVPaint Developpement) |
| MIS | 3WayPack missing data pointers (The Three-Mode Company) |
| MIS | Delta Force mission (NovaLogic) |
| MIS | Ghost Recon mission (Red Storm) |
| MIS | MagicInstall installation script (MagicInstall) |
| MIS | Tribes 2 mission (Sierra) |
| MISA | MISA (Microsatellite Identification Tool) Microsatellite analysis output |
| MISS | Homeworld Missle Data (Sierra Entertainment, Inc.) |
| MISSIONS_MISSIONDATA_ADF | Elite Dangerous Mission Data |
| MITSU | Mitsubishi S340-10 Color Sublimation Printer Bitmap (Mitsubishi Companies) |
| MIX | 3DS MAX animation (Autodesk) |
| MIX | AVS Audio Editor sound mix project (AVS4You) |
| MIX | Command & Conquer game data archive (Electronic Arts) |
| MIX | Earth & Beyond game data archive (Electronic Arts) |
| MIX | Game Archive UnPacker game data archive (Alexander Cherenkov) |
| MIX | MMIXware emulator data (Don Knuth) |
| MIX | MotoGP game assets (Milestone) |
| MIX | OzWin email/forum access index data (CompuServe) |
| MIX | PD Howler mixing palette (TheBest3D.com) |
| MIX | PhotoDraw 2000 multi-layer picture (Microsoft) |
| MIX | Picture It! multi-layer picture (Microsoft) |
| MIX | Power C object (Mix) |
| MIX | PyLoader python loader for game clients (Elitevpers) |
| MIX | Techno music mix (eJay) |
| MIZ | Winamp Compressed MIDI File |
| MJ | MovieJack DVD Ripper File |
| MJB | PDA Mystery Juke Box Generation Profile (Paul Duggan - PDAWare) |
| MJBX | Moneydance Moneydance Data File |
| MJBZ | MyJournalBiz Compressed SQLite database |
| MJF | Mjuice Secure Music Files |
| MJP | Media Center plug-in (J. River) |
| MJP | Mplayer video (Mplayer Team) |
| MJP | The Amazing Spider-Man: Countdown to Doom video (Vtech) |
| MJPEG | FFmpeg, MPlayer Video Container |
| MJPG | SMJPEG Video |
| MJR | Media Jukebox Registration File (J. River) |
| MJS | 7400 Costing database (Mijas Software) |
| MJS | NodeJS module (OpenJS Foundation) |
| MJS | Visual Studio Code module (Microsoft) |
| MK | Make File |
| MK3D | Matroska Stereo 3D video container (Matroska Association) |
| MKA | Matroska (Matroska Association) |
| MKA | Matroska Audio Stream (Matroska Association) |
| MKD | CAD6 Studio drawing (Malz++Kassner) |
| MKD | Sublime documentation or web page (Sublime) |
| MKE | Make File |
| MKEXT | OS X Mach Kernel Extension File (Apple Inc.) |
| MKF | Karabox Music File (NesyLine) |
| MKG | Make File |
| MKH | WinMark Pro Mark File (Synrad, Inc.) |
| MKI | MagView Japanese Makichan Format Graphic |
| MKI | MediaKnife Animated Internet Picture |
| MKI | Picture File |
| MKJ | MKJamz |
| MKL | Créatoria |
| MKL | Malz++Kassner CAD5 Drawing Library |
| MKM | Matroska Media File (Matroska Association) |
| MKO | Mortal Kombat 11 Game Data |
| MKR | McCullough Knowledge Explorer Knowledge Representation (Richard H. McCullough, Knowledge Engineer) |
| MKR | Tonline Bsw4 Internet File |
| MKR | Train Simulator Marker File (Microsoft Corporation) |
| MKS | Mastercook cookbook file (ValuSoft) |
| MKS | Matroska stream file (Matroska Association) |
| MKS | TACT data file (University of Toronto) |
| MKS | VLC Media Player subtitle stream file (VideoLAN) |
| MKV | Elmedia video (Eltima) |
| MKV | MPlayer video (Mplayer Team) |
| MKV | VLC video (VideoLAN) |
| MKW | Compressed Audio File (Michael K. Weise) |
| MKZ | PokerOffice Backed Up Database (PokerOffice.com) |
| ML | Camomile source code (Camomile Developers) |
| ML | MyLifeOrganized data (MyLifeOrganized Developers) |
| ML | scikit-learn machine learning model (David Cournapeau) |
| ML | Sublime source code (Sublime) |
| ML | Visual Studio source code (Microsoft) |
| ML0 | MultiLedger Company Information (CheckMark Software, Inc.) |
| ML1 | MultiLedger Balance (CheckMark Software, Inc.) |
| ML2 | Mein Leben II Personal Profile (Appadaumen Productions) |
| ML2 | MultiLedger Budget (CheckMark Software, Inc.) |
| ML2 | Tripos MOL2 Molecule File |
| ML20 | MSN Webcam Recorder Video File |
| ML256 | MessageLock Encrypted Message (Encryptomatic LLC) |
| ML3 | Milestones 3.x Schedule (KIDASA Software, Inc.) |
| ML3 | MultiLedger Chart of Accounts (CheckMark Software, Inc.) |
| ML4 | Milestones ver 4.0 and 4.5 Schedule (KIDASA Software, Inc.) |
| ML4 | MultiLedger Customers (CheckMark Software, Inc.) |
| ML5 | Milestones ver 5.0 and 5.01 Schedule (KIDASA Software, Inc.) |
| ML5 | MultiLedger Vendors (CheckMark Software, Inc.) |
| ML6 | Milestones Professional 2000 Schedule (KIDASA Software, Inc.) |
| ML6 | MultiLedger Items (CheckMark Software, Inc.) |
| ML6 | PowerPoint Milestone File (Microsoft Corporation) |
| ML7 | Milestones Professional 2002 Schedule (KIDASA Software, Inc.) |
| ML7 | MultiLedger Salesperson (CheckMark Software, Inc.) |
| ML8 | Milestones Professional 2004 Schedule (KIDASA Software, Inc.) |
| ML8 | MultiLedger Job (CheckMark Software, Inc.) |
| ML9 | Milestones Professional 2004U Schedule (KIDASA Software, Inc.) |
| ML9 | MultiLedger Transactions (CheckMark Software, Inc.) |
| MLA | Milestones Professional 2006 Schedule (KIDASA Software, Inc.) |
| MLB | FoxPro for Macintosh Library |
| MLB | MultiLedger Ship Via (CheckMark Software, Inc.) |
| MLB | MyLittleBase Database |
| MLB | OpenVAX Macro Library |
| MLB | Peachtext List Manager (Peachtree Software (Sage Software SB, Inc.)) |
| MLB | Symphony Macro Library File |
| MLC | mAirList Cart Set (Torben Weibert) |
| MLC | MultiLedger Ship To (CheckMark Software, Inc.) |
| MLC | Windows Vista Language Interface Pack (Microsoft Corporation) |
| MLD | mAirList Desktop (Torben Weibert) |
| MLD | MultiLedger Index (CheckMark Software, Inc.) |
| MLD | Multilizer Dictionary |
| MLD | MyLabel Designer Deluxe Label File (Avanquest Publishing USA, Inc.) |
| MLD | Polyphonic Ringtone File for Phones |
| MLD | Van Dorn Plastic Injection Molding Machine Saved Process |
| MLE | mAirList Event List (Torben Weibert) |
| MLF | UpdateEXPERT Machine List File (St. Bernard Software) |
| MLI | 3D Studio Material-Library File (Autodesk, Inc.) |
| MLI | AutoCAD Material-Library File (Autodesk, Inc.) |
| MLI | Camomile Individual Module File |
| MLI | Encyclopedia Media List |
| MLI | F# Source Code (Microsoft Corporation) |
| MLK | Sierra Mastercook Look File |
| MLL | Autodesk Maya Maya plugin |
| MLM | Novel Groupwise E-mail File |
| MLN | AutoCAD Multiline Definition (Autodesk, Inc.) |
| MLNK | Multi-Channel Server (MCS) Component Policy Editor Link Component (Volantis Systems Ltd.) |
| MLO | Mantis Gamepad Pro 3D Model Storage |
| MLP | mAirList Playlist (Torben Weibert) |
| MLP | Meridian Lossless Packing Audio File (Meridian Audio) |
| MLS | mAirList Script (Torben Weibert) |
| MLS | Miles Sound Tools Compressed DLS |
| MLS | Milestones 1.x and 2.x Schedule and Simplicity (all ver) (KIDASA Software, Inc.) |
| MLS | Skype Localization Data (Skype Technologies S.A.) |
| MLT | Forecast Pro Multivariate Forecast File (Business Forecast Systems, Inc.) |
| MLT | mAirList Desktop Template (Torben Weibert) |
| MLX | MATLAB live script/functions (MathWorks) |
| MLYT | Multi-Channel Server (MCS) Layout Policy Editor Layout Policy (Volantis Systems Ltd.) |
| ML_ | Mainlog Compressed Mud Log (Mailog) |
| MM | FreeMind mind map file |
| MM | groff typesetting source file (The Open Group) |
| MM | Lightscape material map file |
| MM | Macro Mania macro file (Northstar Solutions) |
| MM | Mathmatica matrix market data file (Wolfram Research) |
| MM | Meme Virtual Reality World (Immersive Systems) |
| MM | Metamath ASCII database file (Norman Megill) |
| MM | Multimate Advantage II document file (Softword Systems) |
| MM | NeXtMidas macro file (Technology Management Associates) |
| MM | Rise of Nations campaign media file (Microsoft) |
| MM | Xcode source code file (Apple) |
| MM3 | Mortgage Minder Ver. 3 Saved Mortgage Configuration File (CW Technical Services) |
| MM4 | Mortgage Minder Ver. 4 Saved Mortgage Configuration File (CW Technical Services) |
| MM5 | Makromat Macroeconomic Model Data (University of Muenster, Germany) |
| MMA | Grlib Cppima Scilimag File |
| MMA | Master Album Maker Album File (Intrepid Mouse Limited) |
| MMAP | MindManager mind map file (Mindjet) |
| MMAP | MINDMAP mind map file (ConceptDraw) |
| MMAP | XMind mind map file (XMind) |
| MMAP2 | MediaTek mobile platforms Memory mapping |
| MMB | MultiMedia Builder |
| MMB | Oracle Forms Menu Binary Source Code |
| MMBAK | Money Manager Ex Backup, Finance Data |
| MMBK | MannaBook (MannaBook Software, Inc.) |
| MMBK | My Money Vista Database Backup File (ZPSSoft) |
| MMBM | MannaBook (MannaBook Software, Inc.) |
| MMC | Clipart DLLbackup Autoshape file (Microsoft) |
| MMC | Media Catalog |
| MMC | MicroCase boundary file (Cengage Learning) |
| MMC | Office Media Content media content file (Microsoft) |
| MMD | Cumulate Draw Editable MMD Format (Cumulate Labs) |
| MMD | DocsAlive Multimedia Document (Softedge-Systems Ltd) |
| MMD | MacroModel Molecular Mechanics File (Columbia University Chemistry) |
| MMD | mAirList Metadata (Torben Weibert) |
| MMD | MangoData Multi-User Database (MightyMango) |
| MMD | Media Processing Server Studio Data (Nortel Networks) |
| MMD | Nigarva Downloader Download List File (K&A Corporation) |
| MMD | Summit Membership Manager Database (MIE Software Pty Ltd) |
| MMDB | MaxMind DB Reader IP Geolocation |
| MME | Multi-Purpose Internet Mail Extensions (MIME) File |
| MME | Multimedia Protector project file (Mirage Computer Systems) |
| MMES | Malvern Mastersizer 3000 Software Particle Size Data |
| MMF | AppMind Message Management File (Appmind Software AB) |
| MMF | Mail File (Microsoft Corporation) |
| MMF | MathMagic Equation File (InfoLogic, Inc.) |
| MMF | McAfee VirusScan Configuration (Networks Associates Technology, Inc.) |
| MMF | Meal Master Format |
| MMF | Media Processing Server Studio Reference Name (Nortel Networks) |
| MMF | Multimedia Protector Protected Database (Mirage Computer Systems GmbH) |
| MMF | Yamaha SMAF Synthetic Music Mobile Application Format (Yamaha Corporation of America) |
| MMG | mkvmerge GUI Saved Muxing Settings (Moritz Bunkus) |
| MMH | MS Media Manager Helper DLL |
| MMI | Media Processing Server Studio Index (Nortel Networks) |
| MMI | Memo Open Client |
| MMJB_MIME | MusicMatch Jukebox MIME ID File (MUSICMATCH, Inc.) |
| MML | Aleph One Marathon Markup Language file (Marathon Open Source) |
| MML | FrameMaker markup file (Adobe) |
| MML | LibreOffice Math Markup Language file (The Document Foundation) |
| MML | Mail Server Meta Mail Language source code file (Gordano) |
| MML | MolMol molecule description file (ETH Zürich) |
| MML | MyMailList contacts file (Avanquest Software) |
| MML | Office 365 media catalogue information file (Microsoft) |
| MML | OpenOffice Math Markup Language file (Apache) |
| MMLD | EdGCM Data File (The EdGCM Cooperative Project of Columbia University) |
| MMM | MacroMind Directory RIFF/RMMP Format Movie |
| MMM | Multimedia Movie (Microsoft Corporation) |
| MMM | Multiple Master Font File (Adobe Systems Incorporated) |
| MMO | Hyper File Memo (PC SOFT) |
| MMO | Memory-Map Navigator Overlay (Memory-Map, Inc.) |
| MMO | Musicmatch On Demand Playlist (Musicmatch, Inc.) |
| MMO | RapidFile Memo Writer |
| MMOD | MacroModel Molecular Mechanics File (Columbia University Chemistry) |
| MMP | Bravado Board Output Video Format |
| MMP | Bravado Board Video Output Format |
| MMP | CoCo Systems VisiMap |
| MMP | EPOC Makmake Makefile Project |
| MMP | Gammadyne Mailer Project File |
| MMP | Grand Theft Auto Multiplayer Map File (Rockstar Games) |
| MMP | Master Album Maker Album Project File (Intrepid Mouse Limited) |
| MMP | MicroMedia Playlist (Demonic Software) |
| MMP | MindManager Map File (Mindjet) |
| MMP | MixMeister Playlist (MixMeister Technology) |
| MMP | MS Music Producer |
| MMP | Multimedia Player Movie Clip |
| MMPA | various backup and encryption software Encrypted Archives |
| MMPBT | MindManager Branch Template File |
| MMPT | MindManager Template |
| MMR | LOKI Character Template (Synthetic Realms) |
| MMS | Miles Sound Tools sound file (Miles Sound System) |
| MMS | Nokia Suite multimedia messaging file (Nokia Corporation) |
| MMS | NT MidiMagic song information (NovaTech Design) |
| MMSCRIPT | MindManager Script File |
| MMSW | Movie Magic Screenwriter Movie Magic Screenwriter (Write Brothers') |
| MMT | CoCo Systems VisiMap |
| MMT | egseing Memory Dump Data |
| MMT | Nimbus 7 SAMS Data File |
| MMTH | Tiamo 2.0 Titration Method |
| MMV | Dega Movie Capture Format |
| MMV | Sony MovieShaker File |
| MMW | AceMoney Financial Data (MechCAD Software LLC) |
| MMW | Media Content |
| MMW | Multimedia World Magazine |
| MMX | Command & Conquer Red Alert 2 Map File (Westwood Studios) |
| MMX | MarkMagic Import/Export |
| MMX | Oracle Forms Compiled Menu |
| MMZ | MusicMatch Theme File (MUSICMATCH, Inc.) |
| MN | MATLAB (Symbolic Math Toolbox) MuPAD notebook file |
| MN1 | Money Ver 1 Data File (Microsoft Corporation) |
| MN2 | Descent2 Mission File |
| MN2 | Money Ver 2 Data File (Microsoft Corporation) |
| MN3 | Descent 3 |
| MN3 | Descent3 Mission File |
| MN3 | Money Ver 3 Data File (Microsoft Corporation) |
| MN4 | Money Database (Microsoft Corporation) |
| MN4 | Money Ver 4 Data File (Microsoft Corporation) |
| MN5 | Money Ver 5 Data File (Microsoft Corporation) |
| MN6 | Money Ver 6 Data File (Microsoft Corporation) |
| MN7 | Money Ver 7 Data File (Microsoft Corporation) |
| MN8 | Money Ver 8 Data File (Microsoft Corporation) |
| MN9 | Money Ver 9 Data File (Microsoft Corporation) |
| MNB | MuPAD File |
| MNC | AutoCAD Compiled Menu (Autodesk, Inc.) |
| MNC | My Notes Center File |
| MND | AutoCAD Menu Program (Autodesk, Inc.) |
| MND | Cerious Mandelbrot Image |
| MND | Fractal Forge Ver. 2.x Fractal Parameters |
| MND | MNI Mandelbrot for Windows |
| MND | MusicNet Music Download (MusicNet) |
| MNF | Saved MSN Search |
| MNG | Animation Shop animation (Corel) |
| MNG | Firefox animation (Mozilla) |
| MNG | Irfanview animation (Irfan Skiljan) |
| MNG | Keyboard File Manager midi/mid files Database (Yahama) |
| MNG | Map 'n Go map (Garmin) |
| MNG | XnView animation (XnSoft) |
| MNI | Cerious Mandelbrot Image |
| MNL | AutoCAD AutoLISP Functions Related to Menu (Autodesk, Inc.) |
| MNL | OrCAD Netlist File (Cadence Design Systems, Inc.) |
| MNL | Zortech 3 Binary File |
| MNM | 3DS MAX 3D character marker name (Autodesk) |
| MNN | MNN Neural network model |
| MNO | Dreamweaver web document information (Adobe) |
| MNO | Monopoly save game file |
| MNPF | NoteStar v1.2a + Graphic (Jayden Carr) |
| MNR | AutoCAD Compiled Menu (Autodesk, Inc.) |
| MNR | IBM Voice Type Language Newuser File |
| MNS | AutoCAD ASCII Menu (Autodesk, Inc.) |
| MNT | Foxpro Menu Memo (Microsoft Corporation) |
| MNU | AutoCAD Menu Template (Autodesk, Inc.) |
| MNU | FoxPro Menu |
| MNU | HP NewWave Advanced Macro |
| MNU | Menu File |
| MNU | RadASM Menu File (KetilO) |
| MNW | Menu File |
| MNX | AutoCAD Compiled Menu (Autodesk, Inc.) |
| MNX | Foxpro Menu (Microsoft Corporation) |
| MNY | Money money file (Microsoft) |
| MN_1561123885 | Android OS System Archive |
| MO | CM3-IDE object (elego) |
| MO | Dymola model (Dassault Systèmes) |
| MO | Gettext machine object (Free Software Foundation) |
| MO1 | Odyssey Disk/ROM Image |
| MO3 | MO3 MOD Audio Format (un4seen developments) |
| MOB | Master of Orion III game data (Atari SA) |
| MOB | Media Player video (Microsoft) |
| MOB | Windows device definitions (Microsoft) |
| MOBA | MobaXterm Encrypted Image Container |
| MOBAPP | MOBILedit! Application (COMPELSON Laboratories) |
| MOBDRV | MOBILedit! Driver (COMPELSON Laboratories) |
| MOBI | Calibre e-book (Kovid Goyal) |
| MOBI | Kindle e-book (Amazon) |
| MOBILECONFIG | Apple Configurator configuraiton profile (Apple) |
| MOBILEPROVISION | Xcode iOS code signing |
| MOBSKIN | MOBILedit! Skin (COMPELSON Laboratories) |
| MOC | MOCHA Javascript |
| MOC | QT Meta-Object Compiler Header Files (Trolltech) |
| MOC3 | Live2D Cubism Editor Live2D model |
| MOCF | HP Printers Printer Firmware |
| MOCHA | MOCHA Javascript |
| MOD | Amiga and PC Tracker Module |
| MOD | CADdy++ Mechanical 2D/3D Model Data (DataSolid GmbH) |
| MOD | CATIA Model File (Dassault Systèmes) |
| MOD | Clarion for Modula-2 Source Code File (SoftVelocity) |
| MOD | Connectivity Memory Model Cell Specific Plasticity Functions on Incoming Synapses Input File |
| MOD | Digital Music Sound Clip |
| MOD | EPOC Model Definition |
| MOD | Femap (UGS Corp.) |
| MOD | File Implementing DOS Support for Windows DLL's |
| MOD | JVC Everio Digital Video File (JVC Americas Corp) |
| MOD | Model File |
| MOD | Modula-2 Program File |
| MOD | Module |
| MOD | Monarch Model (Datawatch Corporation) |
| MOD | Multiplan Spreadsheet |
| MOD | Multiplan Spreadsheet (Microsoft Corporation) |
| MOD | Music File |
| MOD | Music Module |
| MOD | PDP-10 MODULA-II Compiler Source |
| MOD | Peachtext Database (Peachtree Software (Sage Software SB, Inc.)) |
| MOD | PHP Source Code |
| MOD | ProModel Optimization Software Suite Model |
| MOD | WinBoard Import Module (Ivex Design International) |
| MOD | Windows Kernel Module |
| MODD | Picture Motion Browser video/image metadata (Sony) |
| MODEL | 3D Builder 3D model (Microsoft) |
| MODEL | ActiveModeler Avantage process model (KAISHA-Tec) |
| MODEL | BricksViewer LEGO model (LEGO Group) |
| MODEL | CATIA 3D model (Dassault Systèmes) |
| MODEL | CCB model (China Construction Bank) |
| MODEL | Company of Heroes model (Relic) |
| MODEL | Custom Order Maid game character model (S-court) |
| MODEL | Gensim pre-trained model (Radim Řehůřek) |
| MODEL | OpenNLP model (Apache) |
| MODEL | Payday 2 game character/object model (Overkill) |
| MODEL | PES 13 model (Konami) |
| MODEL | PES 16 model (Konami) |
| MODEL | PlantWALK model (AEA) |
| MODEL | PyTorch pre-trained model (PyTorch Contributors) |
| MODEL | Ribbons molecular model (Mike Carson) |
| MODEL | TensorFlow trained model (Google Brain) |
| MODEL | Weka model (University of Waikato) |
| MODEL | World of Tanks model (Wargaming) |
| MODELE | Edumodele Edumodele simulation |
| MODELS | Game engines, 3D modeling software Storing 3D models |
| MODL | various 3D modeling and computer graphics software Storing 3D models |
| MODPKG | BlockLauncher game modification package (Zhouwei Zhang) |
| MODS | Apple II operating system Golden Orchard Apple II CD Rom file |
| MODULE | 7-Zip compressed data (Igor Pavlov) |
| MODULE | Drupal module (Drupal Community) |
| MODULE | Gambas module (Gambas Developers) |
| MODULE | Halo Infinite data (Xbox Game Studios) |
| MODULE | NovelAI module (Anlatan) |
| MODULE | Warhammer 40,000 module (Relic) |
| MODULES | Linux Kernel Kernel Module Configuration |
| MODULE_HD1 | Halo 3 HD Map Data |
| MOF | MSinfo (Microsoft Corporation) |
| MOF | Systems Management Server (SMS) Managed Object Format (Microsoft Corporation) |
| MOFF | Picture Motion Browser image/video index and GPS data (Sony) |
| MOGG | Ogg Vorbis File Variation |
| MOGRT | After Effects Motion Graphics Template file (Adobe) |
| MOGRT | Premiere Pro Motion Graphics Template file (Adobe) |
| MOHO | Anime Studio Project File (Lost Marble) |
| MOI | Everio video metadata (JVC) |
| MOI | Media Player video metadata (Microsoft) |
| MOL | Photo Express (Corel) |
| MOL | SYBYL molecule data file (Certara) |
| MOL2 | SYBYL molecule data file (Certara) |
| MOL2 | WebLab Molecular viewer file (Molecular Simulations) |
| MOM | CDrom Runtime Database File |
| MOM | SPEFO Stellar Spectra Analysis File |
| MOM | Xcode Compiled Core Data-based Data Model (Apple Inc.) |
| MON | Firefox Bookmark Backup File |
| MON | ReadMail Monitor |
| MON | Virgin Games Monopoly Deluxe |
| MONETIZATIONVARS | Unity Monetization Configuration |
| MONEY | Money financial information file (Jumsoft) |
| MONIKA | Monika After Story Save Game Data |
| MONO | Bi-level Bitmap in Least-Significant-Byte First Order |
| MONO | Monolith Munged Encoded File |
| MONTE | CRiSP Harvest File |
| MOO | MoonRock Language Source Code File |
| MOO | QuickTime Movie Clip (Apple Inc.) |
| MOOD | Amarok Data File |
| MOOV | QuickTime Movie (Apple Inc.) |
| MOP | M.Fujimiya's Morpher for Windows 1.4 Work File |
| MOP | MDL Molfile MOPAC Input Format (MDL Information Systems, Inc.) |
| MOP | Mopac Input File |
| MOP | NS/Elite Display 3.12 Macro Object Path File |
| MOR | Corel Shared Writing Tools 9.0 File |
| MOR | Poser 3D Morph Target File |
| MOS | Dymola Simulation |
| MOS | Infinity Game Engine Background and GUI Tile Info (BioWare Corp.) |
| MOS | Infinity Game Engine Compressed Background and GUI Tile Info (BioWare Corp.) |
| MOS | Leaf Camera RAW File |
| MOS | MACAOS Compressed Tranismission File (Elprint AS) |
| MOS | System DOS 6.2 File |
| MOT | GX cellphones firmware update (Sharp) |
| MOT | JADE ringtone (Motorola) |
| MOT | LightWave 3D 3D motion data (NewTek) |
| MOT | Linux load instruction (Linus Torvalds and the Linux Developer Community) |
| MOT | Pamela phoneme translation data (Monash University) |
| MOTBIN | Motorola JADE Ringtone |
| MOTIF | Microangelo Motif |
| MOU | WinMount compressed archive file |
| MOV | AutoCAD movie (Autodesk) |
| MOV | Media Player movie (Microsoft) |
| MOV | QuickTime movie (Apple) |
| MOV | VLC movie (VideoLAN) |
| MOVERADDIN | Mover Add-in (Nicodemous Bytes) |
| MOVERBACKUP | Mover Backup Set (Nicodemous Bytes) |
| MOVERCONFIG | Mover Configuration (Nicodemous Bytes) |
| MOVERDB | Mover Database (Nicodemous Bytes) |
| MOVERREG | Mover Registration Info (Nicodemous Bytes) |
| MOVERTEMPLATE | Mover Template (Nicodemous Bytes) |
| MOVIE | QuickTime movie (Apple) |
| MOX | ExtendSim Model File (Imagine That Inc.) |
| MOZ | Netscape Temp File |
| MOZEML | Thunderbird Mail Message File (Mozilla Corporation) |
| MOZLZ4 | Mozilla Firefox Compressed Firefox data |
| MP | cGPSmapper map (Stanislaw Kozicki) |
| MP | EARS component (Liberal Democrats) |
| MP | HP Scitex LX Printer bitmap (Hewlett-Packard) |
| MP | LuaTeX diagram (Taco Hoekwater, Hartmut Henkel, Hans Hagen et. al.) |
| MP | Maya PLE project (Autodesk) |
| MP | MockPlus prototype (MockPlus) |
| MP | Multiplan data (Microsoft) |
| MP | System Center settings (Microsoft) |
| MP | VLC video (VideoLAN) |
| MP+ | MPEG Plus Audio File |
| MP0 | VLC Media Player, MP4Box Video Fragment |
| MP000001 | DICOM Viewers and PACS (Picture Archiving and Communication Systems) Medical Image Part |
| MP000002 | ImageMagick Split DICOM Image |
| MP000003 | DICOM Viewer Medical Imaging |
| MP000004 | RadiAnt DICOM Viewer, MicroDicom Split DICOM Image |
| MP1 | MPEG Audio Stream, Layer I |
| MP2 | Masterpoint Red Points File (ABF Masterpoint Centre) |
| MP2 | MPEG Audio Stream, Layer II |
| MP21 | AXMEDIS MPEG-21 File (AxMediaTech S.R.L.) |
| MP2M | Max Payne 2 Mod File (Rockstar Games) |
| MP2S | Max Payne 2 Saved Game (Rockstar Games) |
| MP2S | MPEG-2 Video |
| MP2V | MPEG Audio Stream, Layer II |
| MP3 | AlbumWrap Wrapped Music File Archive (Infamus Software LLC) |
| MP3 | Masterpoint Green Points File (ABF Masterpoint Centre) |
| MP3 | mp3PRO Audio File |
| MP3 | MPEG Audio Stream, Layer III |
| MP3 | SHARP MZ-series Emulator File |
| MP3 | Wrapster Wrapped File |
| MP3MAN | MP3Man Playlist (You 2 Software) |
| MP3PRO | mp3PRO Enhanced MP3 File |
| MP4 | Media Player video (Microsoft) |
| MP4 | QuickTime video (Apple) |
| MP4 | VLC video (VideoLAN) |
| MP4-1 | Story Saver, online video downloaders Fragmented video data |
| MP4V | MPEG-4 Video File |
| MP4_ | VLC media player partially downloaded video |
| MP4_128X96 | Video players, web browsers, mobile devices Low-resolution video |
| MP5 | Maple V Release 3 Windows/DOS File (Maplesoft, a Division of Waterloo Maple Inc.) |
| MP5 | Masterpoint Red and Green Points File (ABF Masterpoint Centre) |
| MP6 | CS225 MP6 CS225 MP6 Huffman Encoding Text Data |
| MP? | LoseThos Compiler Map File (Terry A. Davis) |
| MPA | BusinessMAP Map Layer File (ESRI) |
| MPA | E-Designer (Beijer Electronics) |
| MPA | MPEG Audio Stream, Layer I, II or III |
| MPA | Palm Memo File |
| MPB | Maintenance Parts Bin database backup file (Nhuntsoftware) |
| MPB | MyPhoneExplorer backup file (FJ Software Development) |
| MPB | Video video backup file (Truvideo) |
| MPC | Collectorz.com MP3 Collector MP3 Collection Data (Collectorz.com) |
| MPC | Musepack Audio File |
| MPC | Project Calender (Microsoft Corporation) |
| MPC | VersaPro Compiled Motion Block |
| MPCB | ReliaSoft MPC 3 |
| MPCF | MarketPlace Pro Configuration Settings (Claritas) |
| MPCPL | Media Player Classic Playlist |
| MPD | File List Creator MP3 playlist file (WenSoftware) |
| MPD | MapDraw chemical sequence map file (Biomolecular Computing Resource (BimCore) at Emory University School of Medicine) |
| MPD | Mini-port Driver driver file (Microsoft) |
| MPD | MLCad LDraw multipart model file (LM-Software) |
| MPD | My Digital Photos filmstrip file (Super Win Software) |
| MPD | Project database file (Microsoft) |
| MPD | SCSI MiniPort Driver driver file (Microsoft) |
| MPDEX | MPdex MP3 Database Utility |
| MPDP | MixPad MixPad Project |
| MPDX | Mitsubishi Electric MELPRO-Dx, MagiCAD for AutoCAD HVAC Design File |
| MPE | MPEG Movie Clip |
| MPEG | Media Player video (Microsoft) |
| MPEG | QuickTime video (Apple) |
| MPEG | VLC video (VideoLAN) |
| MPEG2 | VLC video (VideoLAN) |
| MPF | MainActor video editing project (MainConcept) |
| MPF | MosASCII project (Robert DeFusco) |
| MPF | Office clip art media package (Microsoft) |
| MPFA | FASTA Format DNA and Protein Sequence Alignment |
| MPG | Madden NFL 08 video (EA) |
| MPG | Media Player video (Microsoft) |
| MPG | ProgDVB video (Prog) |
| MPG | QuickTime video (Apple) |
| MPG | VLC video (VideoLAN) |
| MPG4 | MPEG-4 Media File |
| MPGA | Mpeg-1 Layer3 Audio Stream |
| MPH | Multiphysics data file (COMSOL) |
| MPH | Photoline morphing data file (Computerinsel GmbH) |
| MPH | Photostory Photostory project file (MAGIX) |
| MPH | Publisher (Microsoft) |
| MPHBIN | COMSOL Multiphysics COMSOL model file |
| MPI | Links98 Golf Game File |
| MPI | MPlayer Control File |
| MPJ | MessiahStudio project file (pmG) |
| MPJ | MINITAB project file (Penn State University) |
| MPJ | Morph Man project information file (STOIK) |
| MPJ | RoboHelp HTML project file (Adobe) |
| MPJ | Video Edit Magic video editing project file (DeskShare) |
| MPK | 7-Zip compressed data (Igor Pavlov) |
| MPK | ArcGIS map package (ESRI) |
| MPK | HANA Studio module (SAP) |
| MPK | Project project data (Microsoft) |
| MPK | Project64 memory pack (Zilmar, Shygoo, and Azime) |
| MPKG | mac OS installer package file (Apple) |
| MPL | Creator video playlist (Roxio) |
| MPL | Maple source code (Maplesoft) |
| MPL | PowerDVD video playlist (CyberLink) |
| MPLS | Creator movie playlist (Roxio) |
| MPLS | PowerDVD movie playlist (CyberLink) |
| MPLS | VLC movie playlist (VideoLAN) |
| MPLT | Apple Music Music playlist |
| MPM | Max Payne MOD Archive (Rockstar Games) |
| MPM | MPEG Movie |
| MPM | MPMOffice Data File (MPMsoft Medical Billing Software) |
| MPM | WordPerfect MathPlan Macro (Corel Corporation) |
| MPN | mophun Game File (morphun) |
| MPNT | MacPaint Bitmap File |
| MPO | Imagic stereoscopic image (STOIK) |
| MPO | PaintShop stereoscopic image (Corel) |
| MPO | Photoshop stereoscopic image (Adobe) |
| MPO | PowerDVD stereoscopic image (CyberLink) |
| MPP | BasicX Programming Environment compiler map file (NetMedia) |
| MPP | MOOS Project Viewer project file (Stand By Soft) |
| MPP | Project project file (Microsoft) |
| MPP | Project Viewer project file (Seavus) |
| MPP | Project Viewer project file (Steelray) |
| MPP | Zortech readme file |
| MPQ | Diablo game data archive (Blizzard) |
| MPQ | Warcraft game data archive (Blizzard) |
| MPQE | StarCraft II StarCraft II (Blizzard) |
| MPR | AutoCAD mass properties report file (Autodesk) |
| MPR | Command & Conquer game file (Westwood Studios) |
| MPR | DirectMail project file (E3 Software) |
| MPR | FileMaker dictionary file (Claris) |
| MPR | Live for Speed replay file (Scawen Roberts) |
| MPR | Multilizer project file (Multilizer) |
| MPR | Music Publisher backup data file (Braeburn Software) |
| MPR | Visual Foxpro solution menus file (Microsoft) |
| MPR | WoodWOP 3D graphics file (Homag AG) |
| MPROJ | Magix Movie Edit Pro Video Editing Project |
| MPRX | WoodWOP CAD design data |
| MPS | Casio Electronic Keyboard presets file (Casio) |
| MPS | Gnumeric Mathematical Programming Systems file (GNOME) |
| MPS | MapSource GPS waypoints file (Garmin) |
| MPS | Max Payne saved game file (Rockstar Games) |
| MPS | MySweetNix! |
| MPS | Pocket Streets map file (Microsoft) |
| MPS | Windows Media Player multimedia data file (Microsoft) |
| MPT | EC-Lab Project file (BioLogic) |
| MPT | Metroid Prime Game data file (Retro Studios) |
| MPT | Multi-Page TIFF Editor Bitmap graphic file (ADEO Imaging) |
| MPT | Project Template file (Microsoft) |
| MPV | Media Player video (Microsoft) |
| MPV | MyPhotoZip compressed data (eCom) |
| MPV | Project view (Microsoft) |
| MPV | VLC video (VideoLAN) |
| MPV2 | MPEG Audio Stream, Layer II |
| MPW | mosascii m2 and MosASCII Project Workspace File (Robert DeFusco) |
| MPW | Oc2.316s Cakit File |
| MPX | Alpha Five temporary index information file (Alpha Software) |
| MPX | BasicX Programming Environment compiler map file (NetMedia) |
| MPX | Foxpro compiler menu file (Microsoft) |
| MPX | Project exchange file (Microsoft) |
| MPY | RCA/Lyra Handheld MP3 Player File (RCA) |
| MPZ | Moove Resource Description File (moove Corporation) |
| MPZ | MyPhotoZip File |
| MPZ | SignIQ Project (ImpulseLogic) |
| MPZ | SoundSlimmer Compressed MP3 Audio (Sound Genetics Inc.) |
| MP_ | MAGIX Photostory Deluxe Slideshow project |
| MQ4 | MetaTrader Indicator (MetaQuotes Software Corp.) |
| MQ5 | MetaTrader 5 Trading Programs |
| MQC | CP/M Disk Drive Information File |
| MQD | Malete Query Data (OpenIsis) |
| MQL | MetaTrader Indicator File (MetaQuotes Software Corp.) |
| MQO | Metasequoia 3D model (Osamu Mizuno) |
| MQOZ | Metasequoia 3D Model |
| MQP | Multiquence Project |
| MQV | Sony Movie Player Format (Sony Corporation of America) |
| MQX | Malete Query Access File (OpenIsis) |
| MR | RadiAnt DICOM Viewer MRI scan data |
| MR000000 | RadiAnt DICOM Viewer Split DICOM Image |
| MR000001 | RadiAnt DICOM Viewer and other DICOM-compatible software Raw MRI Data |
| MRA | VilagRadio Recorded Radio Program (MAVIP Ltd) |
| MRB | C++ Multiple Resolution Bitmap Graphic |
| MRC | ImageJ microscopy image (NIH) |
| MRC | MarcEdit bibliography (MarcEdit Development) |
| MRC | mIRC script (mIRC) |
| MRC | Xiaomi Phone UI customization patch (Xiaomi) |
| MRCX | MARCEdit MARC XML Records |
| MRD | Infinity Document (MathRevolt) |
| MRD | Instron Series 9 Test Data File (Illinois Tool Works Inc.) |
| MRD | Malete Record Data File (OpenIsis) |
| MRD | SILVERRUN RDM Database Schema File (Grandite) |
| MRES | Homeworld (Sierra Entertainment, Inc.) |
| MRF | GPS Pathfinder Office Geoid Grid File (Trinble Navigation Limited) |
| MRF | Grade Busters Teacher Tools File |
| MRF | Macintosh Font |
| MRF | Marks Russel File |
| MRF | MeterReading Data (Dataconomy) |
| MRF | Morpheus Saved Game |
| MRF | MultiEx Commander Resource File (XeNTaX) |
| MRF | WinMorph Project Information File |
| MRG | DESQview data (NortonLifeLock) |
| MRG | MySQL merged table (Oracle) |
| MRG | Windows Installer merge package (Microsoft) |
| MRI | MRI Scan |
| MRIMG | Macrium Reflect disk image (Paramount) |
| MRK | MissionRisk data (Craig Douglas) |
| MRK | SleepScan comments (natus) |
| MRK | Sublime photo printing parameters (Sublime) |
| MRK | TapCIS marked messsage commands (CompuServe) |
| MRK | Windows 95 user benchmark (Microsoft) |
| MRLV | Multi-Channel Server (MCS) Component Policy Editor Rollover Image Component (Volantis Systems Ltd.) |
| MRM | Microsoft Mixed Reality Toolkit, Microsoft Mixed Reality Portal, MIUI Mixed Reality Metadata |
| MRO | SharpEye Music Reader File |
| MRP | Infinity Solution Plot (MathRevolt) |
| MRPG | Mr Price Group Proprietary Software Retail Label Data |
| MRS | Clone Remover Saved Duplicates List (Moleskinsoft) |
| MRS | Gunz Game Data (MAIET entertainment, Inc.) |
| MRS | WordPerfect Macro Resource File (Corel Corporation) |
| MRT | Hyper-V host system change tracking (Microsoft) |
| MRT | Stimulsoft Designer report (Stimulsoft) |
| MRW | Sony (Minolta) Raw Image File (Sony) |
| MRX | Malete Record Access File (OpenIsis) |
| MS | 3DS Max script (Autodesk) |
| MS | Defender file checksum (Microsoft) |
| MS | groff manual (Free Software Foundation) |
| MS | Maple worksheet (Maplesoft) |
| MS | Maxwell script (Next Limit) |
| MS | Modula-3 assembly code (elego) |
| MS | OpenLab ChemStation spectroscopy data (Agilent) |
| MS1 | OzWin CompuServe E-mail/Forum Access Message File |
| MS14 | NI Multisim 14 Circuit Design |
| MS2MML | MS2MML Conversion Software Music Conversion |
| MS3D | MilkShape 3D 3D model (Mete Ciragan) |
| MS8 | Multisim Design (National Instruments Corporation) |
| MS9 | Multisim Design (National Instruments Corporation) |
| MSA | Atari MSA Disk Image (Atari) |
| MSA | Magic Shadow Archive |
| MSA | Memory Stick Audio Format (Sony Corporation) |
| MSAV | Avorion or Microsoft Antivirus Game saves or Virus definitions |
| MSB | Milkshape 3D, Gamebryo Engine 3D model storage |
| MSBCM | Business Contact Manager Backup Database (Microsoft Corporation) |
| MSBOOKLETDATA | MozaBook Digital Textbook Data |
| MSC | CRiSP Harvest maturation schedule file (University of Washington School of Aquatic & Fishery Sciences) |
| MSC | eYaMosaic graphic mosaic file (ESRI) |
| MSC | Microsoft Management Console management saved console file (Microsoft) |
| MSC | MuseScore MuseScore composition file (MuseScore Developer Community) |
| MSCN | Bio-Rad Image Lab Bio-Rad Images |
| MSCPC | MaintScape Collection (GrandRavine Software Limited) |
| MSCR | Multi-Channel Server (MCS) Component Policy Editor Script Component (Volantis Systems Ltd.) |
| MSCX | MuseScore MuseScore (Werner Schweer) |
| MSCZ | MuseScore Score (MuseScore) |
| MSD | Advanced Key and Mouse Recorder macro (GrassSoftware) |
| MSD | Diagnostic Utility report (Microsoft Corporation) |
| MSD | Macro eXpert macro (GrassSoftware) |
| MSD | Maxsurf design file (BENTLEY SYSTEMS, INCORPORATED) |
| MSD | Multimedia Studio document file (Multimedia Studio Ltd.) |
| MSD | [Unknown] |
| MSDEV | Msvc Make File |
| MSDL | Manchester Scene Description Language |
| MSDVD | Windows DVD Maker Project (Microsoft Corporation) |
| MSE | 3DS Max encrypted maxscript (Autodesk) |
| MSE | BWSB demo (Edward Schlunder) |
| MSE | MediaShow slideshow (CyberLink) |
| MSF | EarthLink mail store file (EarthLink) |
| MSF | Miranda IM Miranda IM skin file (Miranda IM Developer Community) |
| MSF | Netscape Mail mail summary file (Netscape) |
| MSF | PileUp multiple sequence file (Accelrys) |
| MSF | Thunderbird mail summary file (Mozilla) |
| MSG | Abaqus/CAE status message (Dassault Systèmes) |
| MSG | Exchange email message (Microsoft) |
| MSG | Firebird error message (Firebird Project) |
| MSG | FoxPro message (Microsoft) |
| MSG | Inno Setup message (Jordan Russell) |
| MSG | OS/2 help message (IBM) |
| MSG | Outlook email message (Microsoft) |
| MSG | OzWin message (CompuServe) |
| MSG | Pegasus Mail saved message (David Harris) |
| MSG | PM Mail 2000 email message (Blueprint Software Works) |
| MSG | PM Mail/2 email message (Stichting VOICE) |
| MSG | Sublime program message (Sublime) |
| MSG | TapCIS captured message (TapCIS Developers) |
| MSG | Tcl/Tk message (Tcl Core Team) |
| MSH | FLUENT 3D mesh (Ansys) |
| MSH | Gmsh 3D mesh (Christophe Geuzaine and Jean-François Remacle) |
| MSH | MASH script helper (BellCraft) |
| MSH | Orbiter 3D mesh (Martin Schweiger) |
| MSI | Cerius2 data (BIOVIA) |
| MSI | TruNEST nesting data (Magestic) |
| MSI | Windows Installer installation package (Microsoft) |
| MSIF | MyLabel Designer Deluxe Label File (Avanquest Publishing USA, Inc.) |
| MSIM | Password Manager database backup file (mSeven Software, LLC) |
| MSIX | Windows 10/11 Windows app deployment |
| MSIXBUNDLE | Windows 10 Installation Bundle Package (Microsoft) |
| MSK | Animator Mask Format (Autodesk, Inc.) |
| MSK | BMC Software Patrol Icon File |
| MSK | CARA-Script-Interpreter-Engine Mask |
| MSK | Paint Shop Pro Mask File (Corel Corporation) |
| MSL | ImageMagick script (ImageMagick Studio) |
| MSL | MAINSAIL source code (XIDAK) |
| MSL | ProWORX Nxt loadables (Schneider Electric) |
| MSL | Visual Studio entity data model (Microsoft) |
| MSM | Multisim circuit diagram (National Instruments Corporation) |
| MSM | Visual Studio merge module (Microsoft) |
| MSM | Windows Installer merge module (Microsoft) |
| MSMESSAGESTORE | Minecraft Minecraft commands |
| MSN | Descent Mission File |
| MSN | Microsoft Network Document (Microsoft Corporation) |
| MSN | Microsoft Network MSN Central (Microsoft Corporation) |
| MSN | MSN Content Plus Installer File (MSN Content Plus Inc.) |
| MSN | Network Document |
| MSNBAK | MSN Mail Backup File (Microsoft Corporation) |
| MSO | FrontPage macro (Microsoft) |
| MSO | Medly Sound sound module (Paul van der Valk) |
| MSO | Organization Chart macro object (Microsoft) |
| MSO | Outlook email document macro (Microsoft) |
| MSO | Windows macro object (Microsoft) |
| MSO | Word email document macro (Microsoft) |
| MSOP | Microsoft Office Secure Packaging |
| MSOR | JDSU OTDR Viewer; VeEX Fiberizer OTDR Trace File |
| MSOX | Microsoft Office Office document |
| MSP | Installer patch (Microsoft) |
| MSP | Music Studio music project (Magix) |
| MSP | Paint black and white image (Microsoft) |
| MSP | Sx KN 5000 maual sequence pads data (Panasonic) |
| MSP | Sx KN 6000 performance pads data (Panasonic) |
| MSPLG | Modem Spy Plug-in File (SoftCab Inc.) |
| MSPX | XML-based Web Page (Microsoft Corporation) |
| MSQ | Multimedia Workshop Sound File |
| MSR | OzWin CompuServe E-mail/Forum Access SYSOP File |
| MSRCINCIDENT | Windows Remote Assistance Request (Microsoft Corporation) |
| MSS | Game Score |
| MSS | Manuscript Text File |
| MSS | MediaShout Presentation Script (MediaComplete) |
| MSS | Miles XMIDI Sequence with DLS Data |
| MSSTYLES | Windows XP Visual Style (Microsoft Corporation) |
| MSSYTLES | Windows Visual Style File |
| MST | ChemFinder Chemical structure index file (Sigma-Aldrich) |
| MST | FortiClient Settings file (Fortinet) |
| MST | Gurobi Optimizer MIP start file (Gurobi Optimization) |
| MST | Java Data file (James Gosling) |
| MST | Marg ERP Backup file (Marg ERP) |
| MST | Pension System Master File (DATAIR Employee Benefit Systems) |
| MST | Presentation Master Presentation Document (Corel) |
| MST | Python Data file (Python Software Foundation) |
| MST | Room Arranger Project file (Jan Adamec) |
| MST | Windows SDK Setup Transform Script (Microsoft) |
| MST | Windows Windows Installer Setup Transform file (Microsoft) |
| MSU | Blaise data (Statistics Netherlands) |
| MSU | Wusa standalone update installer (Microsoft) |
| MSV | Memory Stick Compressed Voice File (Sony Corporation of America) |
| MSV | MyStars! Saved View (Relative Data, Inc.) |
| MSVC | Msvc Make File |
| MSW | Word Text File (Microsoft Corporation) |
| MSW12 | Microsoft Word Word document |
| MSWMM | Movie Maker movie project (Microsoft) |
| MSX | Age of Empires II: The Conquerors Expansion Multi-player Saved Game (Microsoft Corporation) |
| MSX | Blaise File (Statistics Netherlands) |
| MSX | Compressed CP/M File Archive |
| MSX | Image Format |
| MSX | Magic Splitter Split File Rebuild Information (Kynosoft, Brescia) |
| MSX | SuperGraphic Studio Message File (Time-O-Matic, Inc.) |
| MSZ | MiSZle Data/Parameter File (Mystic Fractal) |
| MS_ | Winhelp Compressed File |
| MT | Apple II operating system Golden Orchard Apple II CD Rom file |
| MT2 | MadTracker Ver. 2.0 Module/Song (Yannick Delwiche) |
| MT2S | AVCHD Video File |
| MT9 | Music 2.0 Song or Album |
| MTA | AllShare metadata (Samsung) |
| MTA | DTX-MULTI 12 acoustic/electronic drum sample (Yamaha) |
| MTA | Flight Simulator maintenance data (Microsoft) |
| MTB | MINITAB Exec File |
| MTD | gMote gesture set (Handform) |
| MTD | Musicnotes Player sheet music (Musicnotes) |
| MTD | PowerMill solver details (Autodesk) |
| MTE | MadTracker Envelope File |
| MTE | TargetExpress Target (MCW Technologies Inc.) |
| MTF | Darkstone Archive |
| MTF | Mathe Vektor MTF File |
| MTF | Mediatek Font |
| MTF | MicroSurfer File |
| MTG? | Jay Klein Making the Grade Teacher Gradebook Program |
| MTGA | Homeworld (Sierra Entertainment, Inc.) |
| MTH | Derive Math File |
| MTHM | Multi-Channel Server (MCS) Theme Policy Editor Theme Policy (Volantis Systems Ltd.) |
| MTI | MadTracker Instrument File |
| MTI | Musitron MUSILI.ZIT Compressed File |
| MTK | Matrikon Software License File |
| MTK | MPU-401 Trakker |
| MTL | Alias 3D material library (Autodesk) |
| MTL | Creo bill or materials (PTC) |
| MTL | CryEngine 3D material (CryTek) |
| MTL | Mastercam mill tool library (CNC) |
| MTL | Maya 3D material library (Autodesk) |
| MTL | Photoshop 3D material library (Adobe) |
| MTL | Tk Solver MathLook data (Universal Technical Systems) |
| MTLX | MaterialX compatible renderers and applications Material description |
| MTM | MultiTracker Music Module |
| MTN | Live2D Cubism Editor Animation Motion Data |
| MTP | L&H Power Translator Pro |
| MTP | MadTracker Pattern File |
| MTP | Minitab Portable Worksheet (Minitab Inc.) |
| MTP | Power Translator Document (Language Engineering Company) |
| MTR | RealFlight Radio Control Airplane Description (Knife Edge Software) |
| MTS | AVCHD Video Clip - MPEG Transport Stream |
| MTS | Encore Samples File |
| MTS | MadTracker Sample File |
| MTS | Viewpoint iPix File |
| MTSX | MEGA X Phylogenetic Tree |
| MTT | Messenger Saved Contact File (Microsoft Corporation) |
| MTV | MTV Music Generator |
| MTV | MTV Ray-tracer |
| MTV | MTV Video |
| MTW | Minitab Minitab Worksheet (Minitab) |
| MTW | Trados Studio Trados MultiTerm termbase (SDL) |
| MTX | Anjal Tamil text (Marasu) |
| MTX | Atmosphere 3D scene (Adobe) |
| MTX | Cell Ranger gene-barcode matrices (10X Genomics) |
| MTX | GROMACS parameters and matrices (Gromacs) |
| MTX | MadTracker plugin (Yannick Delwiche) |
| MTX | Marked Text markdown text (University of Florida College of Medicine) |
| MTX | Matrix spreadsheet (Grove) |
| MTX | Max Magic Microtuner Tuning Interchange Document (Yahoo) |
| MTX | Media Player 3D data (Viewpoint) |
| MTX | MTX Worm malware |
| MTX | MusiXTex Music-From-Text Translator source data (CTAN) |
| MTX | TWAIN temporary data (TWAIN) |
| MTXDEF | Gestionnaire d'extensions Multiple Extension Definition (Définition d'extension multiple) (Francis Gagné) |
| MTXT | Multi-Channel Server (MCS) Component Policy Editor Text Component (Volantis Systems Ltd.) |
| MTZ | CCP4 reflection data (CCP4) |
| MTZ | MIUI theme (Xiaomi) |
| MTZ | MIUI user interface theme (Xiaomi) |
| MT_ | Encore Compressed Audio File |
| MU | KSP 3D mesh (Private Division) |
| MU | PHASES angles for diffraction data (W. Furey) |
| MU | Quattro menu definition (Corel) |
| MU | Unity 3D mesh (Unity) |
| MUC | Collectorz.com Music Collector Collection Data (Collectorz.com) |
| MUCHULKA | PDF Readers/Editors/Creators (e.g., PDFsharp) Legal Document |
| MUD | ACT! data (Swiftpage) |
| MUD | Mudbox 3D scene (Autodesk) |
| MUD | Textease multi-user database (Lightbox) |
| MUD | Yahoo! Mail saved email attachment (Yahoo) |
| MUD | zMUD settings (Zugg) |
| MUDP | Android Ransomware Encrypted Media |
| MUF | Alpha Five Temporary Access Control File (Alpha Software, Inc.) |
| MUF | ProtoMuck Multi User Forth Program |
| MUI | Amiga MUI Default Class/Library (SASG) |
| MUI | Configuration Resource File (Microsoft Corporation) |
| MUI | Opengl Glut-3.6 File |
| MUL | SeeYou Flight Data (Naviter) |
| MUL | Ultima Online Game |
| MUM | Matlab CAPE-OPEN Unit Operation MATLAB unit operation model (AmsterCHEM) |
| MUM | Windows Windows update package (Microsoft) |
| MUN | Microsoft Windows System Executable |
| MUP | Music Publisher Data File (Braeburn Software) |
| MUS | Finale Music Score (MakeMusic!) |
| MUS | Harmony Assistant, Melody Assistant, Myriad Music plug-in, Melody Player Music File (MYRIAD) |
| MUS | Infinity Game Engine Music Control File (BioWare Corp.) |
| MUS | MusicTime/Doom Sound |
| MUS | SCORE Music Publishing System Music Notation File (San Andreas Press) |
| MUSE | Emacs muse-mode web page (Free Software Foundation, Inc.) |
| MUSE | SQLite database (SQLite Consortium) |
| MUSIC | Apple II operating system Golden Orchard Apple II CD Rom file |
| MUSX | Finale music notation file (MakeMusic) |
| MUX | Trackmania Music File (NADEO) |
| MUXZ | MTKLogger Modem Log File |
| MUZ | Hover Game MIDI File |
| MV | MakeMovie movie (Silicon Graphics) |
| MV | Miva Merchant Script Compiler script (Miva) |
| MV | VLC video (VideoLAN) |
| MV3 | AUPEC Audio File |
| MV3 | Oozic 3D MusicVideo |
| MVA | Matrox Video Card Driver (Matrox Electronic Systems Ltd.) |
| MVB | Database |
| MVB | Manual Storage Format |
| MVB | Multimedia Viewer (Microsoft Corporation) |
| MVC | Merchant Empresa compiled script (Miva) |
| MVC | Movie Collector movie collection (Collectorz) |
| MVC | PowerDVD 3D video (CyberLink) |
| MVD | MicroDVD DVD Movie |
| MVD | MicroVision Database |
| MVD | Movie Edit Pro Video (MAGIX AG) |
| MVE | 4DVista Geological Model (Midland Valley Exploration) |
| MVE | Infinity Game Engine (BioWare Corp.) |
| MVE | Interplay Video File |
| MVE | muvee autoProducer Project File (muvee Technologies Pte. Ltd.) |
| MVE | Wing Commander III MVE Movie File Format |
| MVF | AutoCAD Stop Frame File (Autodesk, Inc.) |
| MVF | Production Studio Video (Babya) |
| MVG | ImageMagick Vector Graphic (ImageMagick Studio LLC) |
| MVHLINK | MyVirtualHome Link to Online Features (Creative Designer Software Pty Ltd) |
| MVI | AutoCAD movie command (Autodesk) |
| MVI | Grand Theft Auto: San Andreas cutscene (Rockstar) |
| MVI | OpenPLi boot logo (OpenPLi) |
| MVL | Interplay Multimedia File |
| MVL | WinMaven Saved Log File (David R. Snow) |
| MVP | MediaView project |
| MVP | Movie Edit Pro video project (MAGIX) |
| MVP | MVPstats dataset (Michael V. Petrovich) |
| MVR | AutoCut Configuration File (Autometrix) |
| MVS | MUSICMATCH Jukebox Visualization (MUSICMATCH, Inc.) |
| MVU | EchoView Adaptive Binary Optimization Format File (MatrixView Pte. Ltd.) |
| MVW | HyperWorks HyperWorks (Altair) |
| MVW | Saber LAN Log File |
| MVX | Intentia International Movex |
| MVX | Mixer File |
| MV_ | MAGIX Movie Edit Pro Video Project |
| MW | MacWrite II text document (Apple) |
| MW | Mail Wiper mail control (Mail Wiper) |
| MW | Maple worksheet (Maplesoft) |
| MW | WikipediaFS structured text (Mathieu Blondel) |
| MW0 | Super Mario World File (Nintendo) |
| MW1 | SILK Spreadsheet |
| MW1 | Super Mario World File (Nintendo) |
| MW2 | MicroWorlds LOGO Activity (Logo Computer Systems Inc.) |
| MW2 | Super Mario World File (Nintendo) |
| MW3 | Super Mario World File (Nintendo) |
| MW4 | MechWarrior 4 Map (Game Structure Archive) (Microsoft Corporation) |
| MWAND | GarageBand Lesson File (Apple Inc.) |
| MWB | MySQL Workbench database model/structure (Oracle) |
| MWD | MWD Configuration File |
| MWD | Photo Soap2 File |
| MWD3 | MoneyWorks Data File (Cognito Software) |
| MWD5 | MoneyWorks Data File (Cognito Software) |
| MWF | MapGuide Author Map Window (Autodesk, Inc.) |
| MWF | ProMotion Animation |
| MWI | Medlin Accounting Invoice Layout Information (Medlin Accounting) |
| MWII | MacWrite II Text Document |
| MWL | Mighty Draw Windows Library (theliquidateher Software, An MCS Investments, Inc. Company) |
| MWL | Super Mario World Level File (Nintendo) |
| MWM | Mail Warrior File |
| MWM | Offline map Offline map (MapsMe) |
| MWM | Space Engineers Model Data (Keen Software House) |
| MWP | MegaWorks Pack pack (MegaWorks) |
| MWP | STEP7-Micro/WIN program (Siemens) |
| MWP | Word Pro text document (IBM) |
| MWS | Maple Spreadsheet (Maplesoft, a Division of Waterloo Maple Inc.) |
| MWS | Medlin Accounting Statement Layout Information (Medlin Accounting) |
| MWSP | Optix Screen Definition (mindwrap, inc.) |
| MWSP | ScanTango Plug-in (mindwrap, inc.) |
| MWT | MetaStock Stock Analysis Template (Equis International) |
| MWV | MovieWorks File |
| MWX | Minitab Statistical Software Minitab Worksheet File |
| MW_ | Audio Utility Midimach Compressed File |
| MX | Mathematica Wolfram Language serialized package (Wolfram) |
| MX | MATLAB common matrix routines file (MathWorks) |
| MX | MX Designer (Universal Remote Control) |
| MX20 | MAXQDA Qualitative data analysis |
| MX22 | MAXQDA Project file |
| MX3 | Bitbop Tuner Locked Sound File |
| MX3 | MATLAB Windows Dynamically Linked Subroutines (The MathWorks, Inc.) |
| MX3 | MP3 Encoded File |
| MXC | ArcView Geocoding Index For Read-Write Coverages (ESRI) |
| MXC2 | Music Maker 12 Cache (MAGIX AG) |
| MXD | ArcMap GIS project file (Map) (ESRI) |
| MXD | MX Editor Remote Control Device configuration file |
| MXE | Macro Express |
| MXE | Mindex Effect Album |
| MXE | MXEdit File |
| MXE | Quatro Pro Startup Macro (Corel) |
| MXE | VCom Error Report (V Communications, Inc.) |
| MXF | MX Editor remote control data (URC) |
| MXF | Premiere Pro video (Adobe) |
| MXF | SimCity game fonts (Electronic Arts) |
| MXF | VLC video (VideoLAN) |
| MXFD | ABBYY eFormDesigner, ABBYY FlexiCapture Form Definition |
| MXI | Macromedia Extension Information |
| MXI | Mindex Indices File for Indexed Images |
| MXI | Proteus File |
| MXL | Moxcel Spreadsheet |
| MXL | PackRat 5.0 Support File |
| MXM | Maxwell Render 3D scene material (Next Limit) |
| MXM | Mindex Master index file for a category |
| MXM | MixMeister BPM calculation data (MixMeister) |
| MXM | Multisim electronics schematic data (National Instruments) |
| MXM | Outlook team-assigned task (Microsoft) |
| MXM | Project team-assigned task (Microsoft) |
| MXMF | Mobile XMF File Format |
| MXML | Flex user interface component (Adobe) |
| MXML | No Man's Sky settings (Hello Games) |
| MXP | 3-matic 3D design project (Materialise NV) |
| MXP | 3DS Max initialization data (Autodesk) |
| MXP | ArcGIS published map (ESRI) |
| MXP | Extension Manager plugin (Adobe) |
| MXS | ArcView geocoding index for read-write shapefiles (ESRI) |
| MXS | Maxwel Render 3D scene definition (Next Limit) |
| MXS | Painter mixed paint colors (Corel) |
| MXT | ArcMap Map Template (ESRI) |
| MXT | C Data (Microsoft Corporation) |
| MXV | Movie Edit Pro Video Format (MAGIX) |
| MXW | Malvern Zetasizer Nano ZS Nanoparticle analysis |
| MXX | Allplan Allplan BCM Index |
| MY | Network Management Software SNMP MIB Data |
| MYB | MYOB Data File (MYOB Technology Pty Ltd.) |
| MYBIBLE | MyBible Bible Data File |
| MYC | Simply Safe Backup Archive (Joshua Cannon Butcher) |
| MYD | MySQL database data file (Oracle) |
| MYDOCS | MyDocs Drop Target (Microsoft Corporation) |
| MYI | MySQL database index file (Oracle) |
| MYL | MYLAI Multilingual Transliteration Scheme |
| MYM | MyMenu Wii custom menu theme file (Icefire) |
| MYO | MYOB Data File (MYOB Technology Pty Ltd.) |
| MYP | Make Your Point Presentation |
| MYR | Harmony Assistant, Melody Assistant, Myriad Music plug-in, Melody Player Music File (MYRIAD) |
| MYS | Myst Saved Game (Cyan Worlds, Inc.) |
| MYSTERY | GNU/Linux Operating Systems I Course Assignment course assignment file (Ian D Allen) |
| MYT | MyTraffic X AI Aircraft Traffic Database File (BK & simMarket.com) |
| MYV | Vivaldi Studio Score File (goVivaldi Inc.) |
| MYW | MyWorld Education Drawing |
| MZ | MOZART Music Document (David Webber) |
| MZB | MegaZeux Board |
| MZC | MOZART Chord Dictionary (David Webber) |
| MZE | Maze Creator File |
| MZE | MidiMaze File |
| MZF | MediaZip Compressed File (ACE) |
| MZF | SHARP MZ-series Emulator File |
| MZM | MegaZeux Dynamic Board Section |
| MZP | MOZART Percussion File (David Webber) |
| MZQ | SHARP MZ-series Emulator QuickDisk File |
| MZS | SHARP MZ-series Emulator File |
| MZT | MOZART Template File (David Webber) |
| MZT | SHARP MZ-series Emulator File |
| MZV | Viewpoint Media Player ZoomView Titles (Viewpoint Corporation) |
| MZX | MegaZeux World |
| MZZ | .NET installer package (Microsoft) |
| M_C | MailCall 2 File |
| M_P | Pro/ENGINEER Temporary File (PTC) |
| M_U | MazeGold Critical File Backup |
If you need to see another list, please select here...
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