since 2000
Alphabetic File Extension List: i
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: 1289.
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| Extension | Information |
| I | APLAC Source Code Data File (APLAC) |
| I | C++ Preprocessor Intermediate File (Borland Software Corporation) |
| I | Integra Database (Imagina Software) |
| I | INTERCAL File |
| I | Phase Vocorder Analysis Data |
| I | Progress Database Include File (Progress Software Corporation) |
| I-E | i-Enforce Security File (ICM Conversions & Management) |
| I0 | Winter Windows Scheduler File |
| I00 | (100-103) Winphone Phonebook |
| I0000000 | DICOM medical image (NEMA) |
| I00000000 | DICOM Viewer Split DICOM Image |
| I0000001 | DICOM medical image (NEMA) |
| I0000002 | RadiAnt DICOM Viewer Split DICOM Image |
| I0000003 | ImageMagick Split DICOM Image |
| I0000004 | DICOM viewers Split DICOM Image |
| I00001 | DICOM medical image (NEMA) |
| I00002 | DICOM Viewer Split DICOM Image |
| I00003 | DICOM Viewer, ImageJ Split DICOM Image |
| I00004 | DICOM Viewer Split DICOM Image |
| I0010001 | ImageJ Split DICOM image |
| I01 | Forensic Software (e.g., EnCase, FTK) Split Forensic Image |
| I1000000 | ImageJ Split DICOM Image |
| I11 | Satellite Tool Kit Satellite Ephemeris Data |
| I16 | Nokia Phone Logo File (Nokia) |
| I17 | Pixel Power Collage |
| I18 | Pixel Power Collage |
| I1C | IBM Voice Type Language Newuser File |
| I1I | IBM Voice Type Language Newuser File |
| I2C | IBM Voice Type Language Newuser File |
| I2D | Wyse Device Management Thin Client Disk Image File (WYSE) |
| I2I | IBM Voice Type Language Newuser File |
| I2S | Invision for mIRC Settings |
| I3 | Modula-3 Interface Source |
| I3C | IBM Voice Type Language Newuser File |
| I3D | Giants Editor 3D model |
| I3F | I3 Fax File (Interactive Intelligence Inc.) |
| I3I | IBM Voice Type Language Newuser File |
| I3INBOUNDFLOW | Genesys Cloud Platform Inbound Call Flows |
| I3ML | I3ML Source Page |
| I3PACK | Ironsight Game Data |
| I3VTEXIMAGE | Ironsight Texture image |
| I64 | IDA Pro Disassembly Analysis |
| I66 | Interactive66 Graphic Design Information |
| IA | Roland Garros Tennis Person File |
| IA6 | IApproach Data File (Workfile) (Tdata, Inc.) |
| IAF | IAFA document |
| IAF | Informer configuration file (Dataconomy) |
| IAF | Outlook 365 internet account file (Microsoft) |
| IAF | Quikscribe Recorder intelligent audio data file (Quikscribe) |
| IAFA | IAFA Document |
| IAM | Fusion 360 assembly model (Autodesk) |
| IAM | Inventor assembly model (Autodesk) |
| IAN | Sterling Software COOL Business Team Model File |
| IAO | ImperiumAO Data File (Imperium) |
| IAP | ASM Palette |
| IAP | Iguana Active Server Active Page Script (ILan Game) |
| IAP | TeamBG File |
| IAR | CD Katalog (KRISoftware) |
| IAS | Iguana Active Server Script (ILan Game) |
| IAVATAR | RLZeus Ready Player Me Avatar |
| IAX | IBM Image Access Executive Bitmap |
| IB | InterBase, iB Converter, Iberis Phonebook, SMS Backup & Restore Data storage, Model conversion, Contact indexing, SMS backup |
| IB7 | Pixel Power Collage |
| IBA | InfoHandler information database (MDE) |
| IBA | Sublime source code (Sublime) |
| IBAK | Password Safe Password backup |
| IBASSESSMENT | IB Assessment Software IB Assessment Archive |
| IBC | IncrediBar Cursor File (IncrediMail Ltd.) |
| IBD | MySQL - InnoDB Database Table (Oracle) |
| IBD | PDS Picture |
| IBD | Windows Installer File (Microsoft Corporation) |
| IBDATA1 | MySQL InnoDB tablespace |
| IBF | Instant Backup (Towodo Software) |
| IBFS | HCL Domino Designer XPages Design File |
| IBG | Bert's Dinosaurs File |
| IBG | iBridge Project Workspace (i2 Inc.) |
| IBG | NASA PDS Graphic Format |
| IBK | (Kodak) Imaging for Windows Bookmark (Microsoft Corporation) |
| IBK | Book Reader Professional database backup file (ICE Graphics) |
| IBK | National Construction Estimator 32 Picture File |
| IBK | SMS data backup file (Ag Leader Technology) |
| IBK | Sound Blaster Instrument Bank (Creative Technology Ltd.) |
| IBL | IBasic Component Language File |
| IBL | PCLTool Index-by-Location File (Page Technology Marketing, Inc.) |
| IBM | Archdos Compressed File |
| IBM | Commodore Amiga Graphics |
| IBOOKS | Apple Books e-book (Apple) |
| IBP | IsoBuster CD/DVD Layout File (Smart Projects) |
| IBQ | IsoBuster Optical Media Data Container File (Smart Projects) |
| IBR | AVAIL Insurance billing reports |
| IBRESPONSE | ManageBac Exam responses |
| IBS | i2 iBase File |
| IBS | IncrediBar Skin (IncrediMail Ltd.) |
| IBT | IBTracer Infiniband Link And Protocol Analyzer InfiniBand Trace File (Computer Access Technology Corporation) |
| IBTMP1 | MySQL Temporary database file |
| IBW | IGOR Pro Stores waveform data |
| IBX | Interscope BlackBox File |
| IBY | ROM Image Component Include File |
| IC | ICwin Climatización por agua Project Data (Procedimientos-Uno, S.L.) |
| IC | Modula-3 M3CG Intermediate Language File |
| IC | Spice Initial Condition |
| IC1 | Imagic Bitmap Graphic |
| IC1 | ZyIMAGE Index |
| IC2 | IMagic Bitmap Graphic |
| IC3 | IMagic Bitmap Graphic |
| ICA | Identity Compass encrypted answers (Identity Compass) |
| ICA | Virtual Apps and Desktops configuration (Citrix) |
| ICA | XnView bitmapped image (XnSoft) |
| ICAL | iCalendar Calendar Data (Apple Inc.) |
| ICALENDAR | Calendar calendar object (Apple) |
| ICALENDAR | Calendar calendar object (Google) |
| ICALENDAR | iCalendar Validator calendar object (iCalendar Developers) |
| ICALENDAR | Outlook calendar object (Microsoft) |
| ICB | Image Capture Board |
| ICB | Targa Bitmap |
| ICBKP | iTools iPhone contact backup |
| ICC | Animation Softdisk |
| ICC | ArtIcons icon collection file (Aha-Soft) |
| ICC | Geant4 include file (Geant4 Collaboration) |
| ICC | IronCAD catalog file (IronCAD) |
| ICC | macOS color profile file (Apple) |
| ICC | Photoshop color profile file (Adobe) |
| ICC | Prinergy Workflow color profile file (Kodak) |
| ICCP | Identity Compass Encrypted Culture Profile (Identity Compass International GmbH.) |
| ICD | Actuate object cache definition (Actuate) |
| ICD | Age of Empires: The Age of Kings game executable (Microsoft) |
| ICD | Dungeon Keeper 2 game data (Electronic Arts) |
| ICD | Easergy Studio IED capability description (Schneider) |
| ICD | iCAD 3D drawing/model (Carlson) |
| ICD | IronCAD 3D drawing (IronCAD) |
| ICD | Model Builder data (ASTi) |
| ICD | NIOSH PC LTAS structure data (CDC) |
| ICD | Rayman2 game data (Ubisoft) |
| ICD | SafeDisc encrypted digital rights management data (Acresso) |
| ICD | Sublime IED capability description (Sublime) |
| ICDX | FilePic Document (Imagery Concepts, LLC) |
| ICDX | Home Organizer Document (Imagery Concepts, LLC) |
| ICE | ALZip compressed archive (ESTsoft) |
| ICE | Archive |
| ICE | Cooltalk Audio |
| ICE | Freeze! compressed archive (Reeve Soft) |
| ICE | IceChat IceChat script file (Paul Vanderzee) |
| ICE | ICEOWS compressed archive (Raphaël et Béatrice Mounier) |
| ICEWS | WebICE Java Web Start |
| ICF | Apache backup file (OpenOffice) |
| ICF | Cheyenne AntiVirus antivirus data backup file (AMREIN ENGINEERING AG) |
| ICF | CS-2100 Radio Programming Data backup file (RT Systems, Inc.) |
| ICF | INI Creator for X10 Remote Control |
| ICF | Insane Chat Saved Conversation |
| ICF | RapidForm backup file (Direct Dimensions, Inc.) |
| ICF | TextEdit text backup file (Apple, Inc) |
| ICG | Image Comparer Image Comparison Results (Bolide Software) |
| ICHAT | iChat messages iChat message logs (Apple) |
| ICI | ParishSOFT Parish Data System Church Data File |
| ICL | Clean source code (Software Technology Research Group) |
| ICL | IconWorkshop icon library (Axialis) |
| ICL | Windows icon library (Microsoft) |
| ICLOUD | iCloud Drive Temporary iCloud files (Apple) |
| ICLX | IconLover Icon storage |
| ICM | Windows image color matching profile file (Microsoft) |
| ICMP | Internet Control Message Protocol |
| ICMS | Ragtime Extensions File |
| ICN | AT&T Graphic Format |
| ICN | Bert's Dinosaurs File |
| ICN | HP Palmtop 100/200LX Icon |
| ICN | Icon Programming Language Source Code File |
| ICN | Micrografx Icon |
| ICN | RIPTerm Image |
| ICN | SunOS Mono Icon |
| ICNS | macOS icon resource (Apple) |
| ICO | GIMP icon (The GIMP Team) |
| ICO | OS/2 icon (IBM) |
| ICO | Photos icon (Microsoft) |
| ICO | SunOS icon (Oracle) |
| ICO | Windows icon or icon library (Microsoft) |
| icon | UNIX Icon/Cursor |
| ICONS | Android operating system Icon archive |
| ICP | Icarus 2.0 (Random Software) |
| ICP | Identity Compass Encrypted Profile (Identity Compass International GmbH.) |
| ICP | InterCept File |
| ICP | UNIX Icontact Parameter File |
| ICPR | ArtIcons Pro IconProject (Aha-Soft) |
| ICQ | ICQ Saved File (ICQ Inc.) |
| ICR | NCSA Telnet Interactive Color Raster Graphic |
| ICS | CopyControl Generic Copier Floppy Disk Image (Microcosm Ltd.) |
| ICS | iCalendar Calendar Data (Apple Inc.) |
| ICS | Image Cytometry |
| ICS | Inovate 3D CAD File |
| ICS | IronCAD 3D CAD File |
| ICS | Outlook Calendar File (Microsoft Corporation) |
| ICS | SwiftView ICS Command File (SwiftView, Inc.) |
| ICT | TIFF and ISO Image Related File |
| ICTX | FilePic Transport Container (Imagery Concepts, LLC) |
| ICTX | Home Organizer Transport Container (Imagery Concepts, LLC) |
| ICV | Bond .AVI Film |
| ICV | In Chair Viewing |
| ICW | Icon |
| ICW | InterCAD File |
| ICW | MS Internet Explorer Internet Connect Wizard |
| ICX | More Than Words File |
| ICX | VisualAge Smalltalk Enterprise Program Image File (IBM) |
| IC_ | Compressed LCT File |
| ID | 7-Zip compressed data (Igor Pavlov) |
| ID | AOL Instant Messenger buddy icon (America Online) |
| ID | MapInfo graphical object index (Precisely) |
| ID | MapPoint data (Microsoft) |
| ID | Notes user identification (HCL) |
| ID | Pegasus Mail folder long name (David Harris) |
| ID | SolidWorks download version identification (Dassault Systèmes) |
| ID | SuperMap GIS 9D license (SuperMap) |
| ID3 | ID3 Resource |
| IDA | IIS Server File (Microsoft Corporation) |
| IDAPI | Integrated Database Application Programming Interface (Borland Software Corporation) |
| IDB | Delphi object (Embarcadero) |
| IDB | DRAGON BALL XENOVERSE 2 game data (BANDAI NAMCO Entertainment) |
| IDB | Easy-PC circuit board (WestDev) |
| IDB | i2 iBase database (IBM) |
| IDB | IDEA! project management database (SYCON) |
| IDB | Ignition database (Inductive Automation) |
| IDB | iGuard 400 backup data (Euro Vigil) |
| IDB | Interactive Disassembler database (Hex-rays) |
| IDB | MySQL database table (Oracle) |
| IDB | Visual Studio intermediate data (Microsoft) |
| IDC | Core IDC |
| IDC | IDA C-like Language Source Code |
| IDC | Internet Database Connector Document |
| IDC | Structured Query Language (SQL) |
| IDD | Complete Works Database-related File (Toplevel Computing) |
| IDD | MIDI Instrument Definition |
| IDE | Arduino IDE sketch (Arduino) |
| IDE | C++ Builder project (Embarcadero) |
| IDE | Grand Theft Auto IV item definition (Rockstar) |
| IDE | ideCAD Architectural architectural design model (ideYAPI) |
| IDE | ideCAD Structural structural design model (ideYAPI) |
| IDE | Inventor product part reusable feature (Autodesk) |
| IDE | Sophos threat detection data (Sophos) |
| IDE | Visual Studio repository configuration data (Microsoft) |
| IDE | VLC video (VideoLAN) |
| IDEA | Brainbloom document (Gael) |
| IDEA | ideaMaker saved project (Raise3D) |
| IDEA | Illustrator Draw design (Adobe) |
| IDEA | IntelliJ IDEA project-specific settings directory (JetBrains) |
| IDEMO | Instant Demo Project File (NetPlay Software) |
| IDENT | Google Keep Note Versioning |
| IDENTIFIER | Internet Explorer Zone Identification Information (Microsoft Corporation) |
| IDENTITY | Email Clients (e.g., Apple Mail) or SSH Email or SSH Configuration |
| IDF | Altium Designer intermediate data file (Altium) |
| IDF | ARTiSAN Real-time Studio ID file (ARTiSAN Software Tools) |
| IDF | CATIA intermediate data file (Dassault) |
| IDF | Civil 3D curve data file (Autodesk) |
| IDF | ControlDesk interchange data file (dSPACE) |
| IDF | EnergyPlus input data file (NREL) |
| IDF | IDAX Software data file (Megger) |
| IDF | IDF Editor MIDI instruments definition file (Microsoft) |
| IDF | Insane data file (Codemasters) |
| IDF | InspireData document (Inspiration Software) |
| IDF | IviumSoft data file (Ivium) |
| IDF | MIUI system data file (Xiaomi) |
| IDF | TRNSYS input data file (University of Wisconsin-Madison) |
| IDFH | Instantel Blastware Blast Monitor Data |
| IDFW | Instantel Blastware Blast monitor data |
| IDI | i-deas Web ACCESS File |
| IDIF | Netscape Saved Address Book |
| IDK | OS/2 Saved SKF Format File (IBM) |
| IDL | CRiSP Harvest post-fishery/pre-spawning mortality data (Columbia Basin Research) |
| IDL | Snappy Devdocs |
| IDL | Sublime interface definition (Sublime) |
| IDL | Visual Studio interface definition (Microsoft) |
| IDLK | InDesign design lock (Adobe) |
| IDM | Fahrenheit The Game - DAT + IDM Archive (Quantic Dream) |
| IDM | Ulead Photo Express Messages File (Corel Corporation) |
| IDMEF | Snort File |
| IDML | InDesign design project (Adobe) |
| IDMS | InDesign design snippet (Adobe) |
| IDOL | Idle Scripting Language Object Library - Bytecode (Thomas Lauer) |
| IDQ | Internet Data Query File |
| IDQ | Structured Query Language (SQL) Query |
| IDR | CompactDRAW Object(s) (MediaChance) |
| IDRAW | iDraw (macOS) Vector Drawing |
| IDS | IDA Imported Names Format |
| IDS | Infini-D Scene File |
| IDS | Infinity Game Engine Numbers to Description Map (BioWare Corp.) |
| IDS | Minos 3D Data File |
| IDS | WFO-A Data |
| IDSP | Gamecube Streamed Audio File (Nintendo) |
| IDT | Identification |
| IDT | Output of DLL2IDT Utility |
| IDT | Text Archive Table |
| IDT | Windows Installer File (Microsoft Corporation) |
| IDU | Interleaf Desktop Utility (BroadVision) |
| IDV | Inventor Design View Tree (Autodesk, Inc.) |
| IDW | IntelliDraw drawing (Adobe) |
| IDW | Inventor drawing (Autodesk) |
| IDX | Alpha Anywhere index (Alpha Software) |
| IDX | Android gallery thumbnails (Open Handset Alliance) |
| IDX | AOL Mail email database index (AOL) |
| IDX | ArcGIS datasets geocoding index (ESRI) |
| IDX | CA-Visual Objects index (Computer Associates) |
| IDX | Clip Gallery index (Microsoft) |
| IDX | Complete Works index (Toplevel Computing) |
| IDX | Creo index (PTC) |
| IDX | ICQ index (ICQ) |
| IDX | Identity Manager database index (Broadcom) |
| IDX | Java applet cache index (Oracle) |
| IDX | LaTeX index (The LaTeX Project) |
| IDX | Lyra music track index (RCA) |
| IDX | Navteq navigation data (Here) |
| IDX | Nero disc data index (Nero) |
| IDX | NoX game data (Westwood) |
| IDX | Outlook Express mailbox index (Microsoft) |
| IDX | Proteus library index (Lab Center) |
| IDX | SIMATIC STEP 7 project data index (Siemens) |
| IDX | Sublime index (Sublime) |
| IDX | Toyota Touch navigation map index (Toyota) |
| IDX | Visual FoxPro index (Microsoft) |
| IDX | VobSub subtitle index (Gabest) |
| IDX | WordPerfect index (Corel) |
| IDX | World of Warcraft game data (Blizzard) |
| IDY | Debug Information File |
| IDY | Index File |
| IDZ | i-deas Web ACCESS File |
| ID_ | C Poet Compressed Disk1 File |
| ID_COMP | Instron Bluehill Compression test data |
| ID_FLEX | Instron Bluehill Universal Flexural Test Data |
| ID_RSA | OpenSSH SSH Private Key |
| ID_TENS | Instron Bluehill Tensile test data |
| IE1-3 | Internet Explorer 3 Address Book |
| IE3 | Internet Explorer 3 File |
| IEE-695 | IEEE 695 Information (Hewlett Packard) |
| IEF | Image File |
| IEL | Erazer98 File |
| IEL | particleIllusion SE Emitter Library (wondertouch, LLC) |
| IEM | Informix Error Message |
| IEPK | IE Privacy Keeper Program Settings File (BrowserTools.net) |
| IES | 3ds Max IES photometric data file (Autodesk) |
| IES | Revit IES photometric data file (Autodesk) |
| IET | IETheme Internet Explorer Theme (Eye Can Publishing) |
| IF | IFWin project (Procedimientos-Uno) |
| IF9 | Pixel Power Collage |
| IFB | Siebel Interface Configuration File (Siebel Systems) |
| IFC | Acrobat DC 3D building or facility model (Adobe) |
| IFC | All Image compressed disk image (Towodo) |
| IFC | ArchiCAD 3D building or facility model (GRAPHISOFT) |
| IFC | AutoCAD 3D building or facility model (Autodesk) |
| IFC | CAD file (CST CAD Navigator) |
| IFCZIP | Tekla BIMsight Compressed BIM model |
| IFD | Jet Form Design Form |
| IFF | Amiga Bitmap Graphic (Amiga) |
| IFF | Amiga Sound (Amiga) |
| IFF | Deluxe Paint Image (Electronic Arts, Inc.) |
| IFF | DESR VFF Greyscale Bitmap Image |
| IFF | Maya IFF Bitmap |
| IFF | Philips CDI File |
| IFF | ProWrite Document |
| IFF | Simple Musical Score |
| IFF | Sun TAAC Image File |
| IFF | TDI Explore & Alias Wavefront Image |
| IFF | TextCraft Document |
| IFF | The Sims Object/Data File (Electronic Arts (Maxis)) |
| IFG | GAMIT/GLOBK InSAR image data |
| IFI | inFlow Inventory Database Backup File (inFlow Inventory Software) |
| IFILE | Amaya i386 File |
| IFL | 3ds Max Animation File List Control (Autodesk, Inc.) |
| IFL | Descent 3 Ship Graphic |
| IFM | IFS Applications Message File (IFS AB) |
| IFM | Informed Filler Informed Form data document (Shana) |
| IFM | iPrevent iPrevent fraud model data file (Brighterion) |
| IFN | Amma Lsb v1.0 Initialization |
| IFO | Aurora Engine module information (BioWare) |
| IFO | ImageForge Pro graphic object layer data (CursorArts) |
| IFO | Media Player DVD information (Microsoft) |
| IFO | PowerDVD DVD information (CyberLink) |
| IFO | Sublime program information (Sublime) |
| IFO | VLC DVD information (VideoLAN) |
| IFP | KnowledgeMan Script |
| IFR | Formula 1 Racing Databin Cars Common File |
| IFS | Fractint image definition (Fractint Development Team) |
| IFS | IconForge program executable (CursorArts) |
| IFS | IFStile image definition (IFSTile) |
| IFS | InfoSlips Viewer encoded and encrypted packet (InfoSlips) |
| IFS | OS/2 Warp Installable File System system file (IBM, Microsoft) |
| IFS | YuvPak compressed fractal image (Advanced Media Workflow Association (AMWA)) |
| IFU | All Image Uncompressed Image File (Towodo Software) |
| IFV | DVR365 Player, iVMS-4200, and other DVR systems DVR Video Recording |
| IFX | Fax File |
| IFX | ImageSoft v2.00 Graphic |
| IFX | IMAGINE Effect File |
| IFX | Rational XDE (IBM) |
| IG | Modula-3 Generic Interface Source |
| IGC | Air datalog (CompeGPS Team) |
| IGC | Anime List Builder media files catalog (Ignacio Garcia del Campo) |
| IGC | Global Positioning System datalog (Fédération Aéronautique Internationale) |
| IGC | SeeYou datalog (Naviter) |
| IGC | StrePla datalog (8F Computer) |
| IGES | ABViewer 2D/3D design data (CadsoftTools) |
| IGES | AutoCAD 2D/3D design data (Autodesk) |
| IGES | CAD file (CST CAD Navigator) |
| IGES | SolidWorks 2D/3D design data (Dassault) |
| IGF | Hijack Graphic Bitmap |
| IGF | Image Systems |
| IGF | Inset Systems Metafile |
| IGF | Sound file |
| IGF | Vector Graphic |
| IGI | Indigo Renderer 3D graphics rendering data (Glare) |
| IGJ | iGrafx Published Web Content (iGrafx, a division of Corel Inc.) |
| IGL | IGOR Saved Level File (Elmer Productions) |
| IGL | inSORS IGLayout Layout File |
| IGM | inSORS IGClient Meeting File |
| IGN | ICQ Igonre List (ICQ Inc.) |
| IGNORE | Likely a Text File Some programs write out a temporary file with an extension like .IGNORE. |
| IGP | IGOR Player File (Elmer Productions) |
| IGP | Igor Reader Sheet Music File |
| IGP | InfoGest Configuration/Profile Settings (S.C. NVN Group S.R.L.) |
| IGPI | Lenovo PowerDVD Video Effects |
| IGR | SmartSketch Drawing (Intergraph Corporation) |
| IGS | AutoCAD grayscale image (Autodesk) |
| IGS | CAD file (CST CAD Navigator) |
| IGS | CAD Overlay drawing or model (Autodesk) |
| IGS | CATIA part or assembly model/drawing (Dassault Systèmes) |
| IGS | Creo part or assembly model/drawing (PTC) |
| IGS | Indigo Renderer 3D scene (Glare) |
| IGS | Inventor part or assembly model/drawing (Autodesk) |
| IGS | SolidWorks part or assembly model/drawing (Dassault Systèmes) |
| IGV | inSORS IGClient Venue File |
| IGVM | iManage Work Desktop Client iManage Container |
| IGX | DT101Xi sonar data (Imagenex) |
| IGX | FlowCharter diagram (iGrafx) |
| IGX | IntegraXor server configuration (Ecava) |
| IGX | McAfee Antivirus encrypted/corrupted data (McAfee) |
| IGX | Process diagram (iGrafx) |
| IHP | Watcom Help File |
| IHS | Bink Inbound History |
| IHT | Intranet Connector Script File (SCORT) |
| IHTML | Inline HyperText Markup Language (Inline Internet Systems, Inc.) |
| II | Gcc Preprocessed C++ Source Code |
| II2 | i-Installer Remote Installation Format (Gerben Wierda & Tom Hageman) |
| IIB | Notes Incremental Install Backup File (IBM) |
| IID | i-Installer i-Directory (Gerben Wierda & Tom Hageman) |
| IID | Tonline BSW4 Fnstall Lid File |
| IIF | Excel import/export interchange file (Microsoft) |
| IIF | QuickBooks import/export interchange file (Intuit) |
| III | ARC+ Drawing (ACA) |
| III | Intel IPhone Compatible File (Intel) |
| III | Know Your Stuff Home Inventory File (Insurance Information Institute) |
| IIL | Norton CleanSweep Installation Log (Symantec Corporation) |
| IIM | Inshape Graphic |
| IIM | Interscope InstallMaster Setup Project |
| IIM | iOpus Internet Macro (iOpus GmbH) |
| IIM | Music Module |
| IIMG | Interleaf Graphic |
| IIO | CoreFSIF Database (Avanticore, Inc.) |
| IIOF | Adobe Acrobat Reader Encrypted Data |
| IIQ | Capture One raw image (Capture One) |
| IIQ | Photoshop raw image (Adobe) |
| IIT | Install Maker Install Info File (Clickteam) |
| IIX | Rational Rose data (IBM) |
| IIX | Trados Studio translation memory index (RWS) |
| IIX | XnView image (XnSoft) |
| IJS | J Interpretor Script File |
| IJX | J Language Execution Window (Source Code) (Jsoftware) |
| IK | Ioke Script (Ioke Team) |
| IKL | InkBall (Microsoft Corporation) |
| IKLAX | iKlax Creator Audio Format (iKlax) |
| IKO | Windows Icon Resource |
| IKS | InkSeine Document (Microsoft Corporation) |
| IKS | KBOX Heroes Card Fix File (KBOX Team) |
| IKX | iKlax Creator Audio Format (iKlax) |
| IL | Euphoria Shrouded Source Code (Rapid Deployment Software) |
| IL | FORTRAN 90 Inline Expansion File |
| IL | Icon Library |
| IL | MSIL Assembler Input File (Microsoft Corporation) |
| IL | SimuPLC Electric Commands Language Instruction List (André Luiz Barbosa) |
| IL3 | particleIllusion 3 Emitter Library (wondertouch, LLC) |
| ILA | Xilinx Vivado FPGA debug data |
| ILB | Scream Tracker Data |
| ILBM | Amiga Interleaved Bitmap Format (Amiga) |
| ILBM | Amiga Sound |
| ILBM | Deluxe Paint Graphic (Electronic Arts, Inc.) |
| ILD | International Laser Display Association Frame Vector List for Laser Light Shows (International Laser Display Association) |
| ILF | Omniscope Application-Specific Data (Iokio Ltd) |
| ILF | SMS Insight Log File (Ag Leader Technology, Inc.) |
| ILG | InstallShield Log File (Acresso Software Inc.) |
| ILG | TeX MakeIndex Track File |
| ILHT | Safari Internet Location (Apple Inc.) |
| ILK | Visual Studio incremental linker data (Microsoft) |
| ILL | 2D Graphic |
| ILL | Agati Illustrated Image |
| ILL | ILL Transaction File |
| ILL | Illustrator Prologue (Adobe Systems Incorporated) |
| ILM | Amiga IFF Image (Amiga) |
| ILM | CAS 200 QDA v3.0 Image List Mode File |
| ILM | Iomega Zip Drive Speed Configuration File |
| ILM | Opus Creator Multimedia File (Digital Workshop) |
| ILM | Satsang Quiz File |
| ILPLOPTIONS | InterLock and PowerLock |
| ILPLVOUCHERS | InterLock and PowerLock |
| ILS | Internet Security And Acceleration Server Summary (Microsoft Corporation) |
| ILS | Win3 Windows Word File |
| ILSR | Iomega Reader |
| ILSTRINGS | Starfield Localization strings |
| ILV | ILOG View File |
| ILVG | iLiving P-to-P |
| ILX | Interlex Vocabulary (Andrew Quilley) |
| IM | 3D Graphic |
| IM | AOL Instant Messenger (AIM) Grey Scale Image (America Online, Inc.) |
| IM | Sun Raster File |
| IM | Trainz Simulator medical image (N3V GAMES) |
| IM0 | 3DVIEWNIX scene data (University of Pennsylvania) |
| IM0 | DICOM medical image (NEMA) |
| IM00000 | ImageMagick, MicroDicom Split DICOM Image |
| IM000000 | DICOM medical image (NEMA) |
| IM000001 | DICOM medical image (NEMA) |
| IM000002 | DICOM medical image (NEMA) |
| IM000003 | DICOM medical image (NEMA) |
| IM000004 | ImageMagick, DICOM viewers Medical Image Data |
| IM000005 | ImageMagick Split DICOM Image |
| IM000006 | ImageMagick Split DICOM Image |
| IM000007 | ImageMagick Medical Image Part |
| IM000008 | ImageMagick DICOM Image Part |
| IM000009 | ImageMagick Split DICOM Image |
| IM00001 | DICOM Viewers Split DICOM Image |
| IM000010 | ImageMagick DICOM Image Part |
| IM000011 | ImageMagick DICOM Image Part |
| IM000012 | ImageMagick Split DICOM Image |
| IM000013 | ImageMagick DICOM Image File |
| IM000014 | ImageMagick DICOM Image Part |
| IM000015 | iClarity, DICOM Viewers Medical Image Data |
| IM000016 | ImageMagick DICOM Image Part |
| IM000017 | ImageMagick DICOM Image Part |
| IM000018 | ImageMagick DICOM Image Part |
| IM000019 | ImageMagick, DICOM Viewers Medical Image Parts |
| IM00002 | DICOM Viewer Split DICOM Image |
| IM000020 | ImageMagick, various DICOM viewers Medical Image Data |
| IM000021 | ImageMagick Split DICOM Image |
| IM000022 | Medical Image Viewers, PACS Systems Medical Imaging |
| IM000023 | DICOM viewers and medical imaging software Medical Image |
| IM00003 | ImageMagick Raw DICOM Image |
| IM00004 | DICOM Viewers Medical Imaging |
| IM04 | Image Sun Raster |
| IM1 | DICOM medical image (NEMA) |
| IM1 | Sun Raster File |
| IM2 | DICOM medical image (NEMA) |
| IM24 | Bitmap Graphic |
| IM3 | DICOM medical image (NEMA) |
| IM30 | Image Sun Raster |
| IM32 | Bitmap Graphic |
| IM4M | iBoot Firmware Image |
| IM4P | iBoot Utility Firmware Image |
| IM5 | Visilog |
| IM5 | Visilog (NorPix, Inc.) |
| IM7 | DaVis Graphic (LaVision GmbH) |
| IM8 | Sun Raster Graphic |
| IM? | 2D Graphic |
| IMA | ACT! email message (Sage) |
| IMA | AOL Instant Messenger grey scale image (America Online) |
| IMA | ImageMixer container file - contains various data (Pixela) |
| IMA | IncrediMail animation file (Perion) |
| IMA | Irfan View image (Irfan Skiljan) |
| IMA | IsoBuster bootable disk image file (Smart Projects) |
| IMA | MagicIso bootable disk image file (MagicISO) |
| IMA | Mirage bitmap image (Zenographics) |
| IMA | Nero bootable disk image file (Nero) |
| IMA | System Mechanic container file - contains various data (iolo) |
| IMA | UltraIso bootable disk image file (EZB Systems) |
| IMA | WinImage bootable disk image file (Gilles Vollant) |
| IMA4 | ADPCM algorithm (Interactive Multimedia Association) |
| IMAGE | Apple Disk Utility hard disk or disk volume image file (Apple) |
| IMAGE | CoLOS Create bitmap image (Markem - Imaje) |
| IMAGE | Disk Copy floppy or compact disk image file (Apple) |
| IMAGE | ShrinkWrap floppy or compact disk image file (Aladdin Systems) |
| IMAGE | Squeak source code image file (Squeak) |
| IMAGE | UNIX bitmap image (Bell Labs) |
| IMAGE0 | RadiAnt DICOM Viewer, MicroDicom Medical Image Data |
| IMAGE001 | Disk Imaging Software Disk Image Segment |
| IMAGE002 | CorelDRAW / Windows Media Player image or disk segment |
| IMAGE003 | Adobe Photoshop Split EMF Image |
| IMAGE1 | DICOM Viewers Medical Image Data |
| IMAGE2 | DICOM Viewer Medical Image Data |
| IMAGES | Image viewers, editors, and archiving software Storing image data |
| IMAGESET | Bohemia Interactive's Enfusion Engine GUI Texture Set |
| IMAGINE | Object & Texture Imagine 3.0 |
| IMAKE | Imake File |
| IMAZINGAPP | iMazing iOS app backup |
| IMB | IncrediMail Address Book and Temporary Contacts (IncrediMail Ltd.) |
| IMC | IncrediMail (IncrediMail) |
| IMC | LucasArts Game Audio File (Lucasfilm Entertainment Company Ltd.) |
| IMC | MontagePlus Thumbnail Image Collection (Serif Europe Ltd.) |
| IMD | ArcGIS image metadata (ESRI) |
| IMD | CyTOF integrated mass data (Fluidigm) |
| IMD | Dynamics GP database or data import definitions (Microsoft) |
| IMD | IDEA database (CaseWare) |
| IMD | ImageDisk disk image (Dave Dunfield) |
| IME | Global Input Method Editor (Microsoft Corporation) |
| IME | iMelody Ringtone Format (Infrared Data Association) |
| IME | IncrediMail Emoticons (IncrediMail Ltd.) |
| IMELODY | iMelody Ringtone Format (Infrared Data Association) |
| IMESHDEF | iMesh Skin (iMesh) |
| IMF | ImageForge/ImageForge Image EXE Library Saved Filtered Brush |
| IMF | IncrediMail Letter/eCard (IncrediMail Ltd.) |
| IMF | MIDI Music File |
| IMFX | various accounting software Electronic Invoice |
| IMG | Alias image (Autodesk) |
| IMG | All Image disk image (Towodo) |
| IMG | AutoCAD CAD-Camera (Autodesk) |
| IMG | BaseCamp map (Garmin) |
| IMG | ChromaGraph Graphics Card bitmap image (ADEX) |
| IMG | CloneCD disk image (RedFox) |
| IMG | Disk Utility disk image (Apple) |
| IMG | EyeStar scanned image (MicroTek) |
| IMG | Grand Theft Auto III and IV game data archive (Rockstar Games) |
| IMG | Idrisi32 image (Clark Labs) |
| IMG | Image Alchemy image (Handmade) |
| IMG | IMAGINE multi-layer geo-referenced image (HEXAGON) |
| IMG | Miracle Box Android disk image (MyGSM Tech) |
| IMG | PES 2010 game data archive (Konami) |
| IMG | QEMU disk image (QEMU Team) |
| IMG | Radiance scene description image (Greg Ward) |
| IMG | ShrinkWrap disk image (Aladdin) |
| IMG | Starbase game images (Frozenbyte) |
| IMG | Ventura bitmapped image (Corel) |
| IMG | VICAR image (NASA) |
| IMG | Vivid image (Stephen B. Coy) |
| IMG | XnView image (XnSoft) |
| IMG00000 | DICOM Viewers Medical Imaging |
| IMG00001 | DICOM Viewers and Medical Imaging Software Medical Image Data |
| IMG00002 | DICOM Viewers, ImageJ Medical Image Data |
| IMG00003 | DICOM Viewers, ImageMagick Medical Image Data |
| IMG00004 | DICOM Viewer Medical Image Data |
| IMG00005 | DICOM Viewers Medical Imaging |
| IMG0001 | ImageJ, MicroDicom Medical Image Data |
| IMG3 | Img3 Encrypted/Signed Container |
| IMG4 | Apple iBoot bootloader / img4tool Apple firmware image |
| IMGCACHE_OFFSET | Chrome for Android Image cache index |
| IMGSAO | Aleph One Images (Marathon Open Source) |
| IMH | IncrediMail Data File (IncrediMail Ltd.) |
| IMI | IncrediMail Animation (IncrediMail Ltd.) |
| IMI | Turbo Pascal DOS File (Borland Software Corporation) |
| IMJ | JFIF File With a Microsoft Windows BMP Header |
| IMJ | Pegasus Image Corp Bitmap |
| IMK | IncrediMail License License (IncrediMail Ltd.) |
| IML | Act! message (Act!) |
| IML | IntelliJ IDEA module (Jet Brains) |
| IMM | IncrediMail Trash (IncrediMail Ltd.) |
| IMN | IncrediMail Notifier (IncrediMail Ltd.) |
| IMO | DICOM medical image (NEMA) |
| IMO | iMON Setting File (SoundGraph.Inc) |
| IMOOOOO1 | DICOM medical image (NEMA) |
| IMOOOOOO | DICOM medical image (NEMA) |
| IMOVIEMOBILE | Apple iMovie Mobile video project |
| IMOVIEPROJ | iMovie Project (Apple Inc.) |
| IMP | Adobe Audition Convolution Effect (Adobe Systems Incorporated) |
| IMP | Babya Installer Archive |
| IMP | Bentley CloudWorx High Definition Surveying High Resolution Image (Bentley Systems, Incorporated) |
| IMP | Crayola Art Image |
| IMP | DVD File |
| IMP | FileMaker Database Translation Filter |
| IMP | Gemstar eBook Publisher eBook (Gemstar eBook) |
| IMP | Improv Spreadsheet (IBM) |
| IMP | Pascal Implementation |
| IMP | TEX-DESIGN Clothing Design File (Koppermann Computersysteme GmbH) |
| IMP | Urban Chaos Game File |
| IMP | WinIMP Archive (Technelysium Pty Ltd) |
| IMPD | Viva Impose Template (VIVA) |
| IMPORT | Godot import settings file (Juan Linietsky and Ariel Manzur) |
| IMQ | ImageQ Presentation |
| IMQ | NASA Planetary Image |
| IMR | Impromptu Report Writer Report (Cognos Incorporated) |
| IMR | IncrediMail Notifier (IncrediMail Ltd.) |
| IMR | Information Magic Data File (RM) |
| IMS | IconForge |
| IMS | IMS Content Package (IMS Global Learning Consortium, Inc.) |
| IMS | IncrediMail Graphic Skin (IncrediMail Ltd.) |
| IMS | Music File |
| IMS | Rebel Assault File |
| IMS | SiteSpinner Project (Virtual Mechanics Inc.) |
| IMS2 | Ericsson Network Manager (ENM) Nokia BTS config |
| IMSCC | Learning Management Systems (LMS) Course packaging |
| IMSP | Survey Pro Survey File (iMagic Software) |
| IMT | egseing Image Mode |
| IMT | IMNET Image |
| IMTR | ElitechLog Temperature data log |
| IMU | Star Wars Force Commander Game Audio (Lucasfilm Ltd.) |
| IMV | ImageMixerVCD Project File (Pixela Corporation) |
| IMV | Yahoo! Instant Messenger IMVironment |
| IMW | Imageware Surfacer 3D CAD Surface Geometry |
| IMW | IncrediMail Sound (IncrediMail Ltd.) |
| IMX | DaVis Binary Image File (LaVision GmbH) |
| IMX | SAS SAS/IML Workshop Matrix (SAS Institute Inc.) |
| IMY | iMelody Ringtone Format (Infrared Data Association) |
| IMZ | Floppy Image Compressed Image (Towodo Software) |
| IMZ | WinImage Compressed Disk Image (Gilles Vollant Software) |
| IM_ | Improve Compressed Audio File |
| IM_00001 | ImageMagick Medical Image Data |
| IM_0001 | DICOM medical image (NEMA) |
| IM_0002 | DICOM Viewers Medical Image Data |
| IM_0003 | ImageMagick DICOM Medical Image |
| IM_0004 | DICOM Viewers Medical Imaging |
| IM_0005 | ImageMagick Medical Image |
| IM_0006 | DICOM Viewers Medical Image Data |
| IM_0007 | DICOM Viewer Medical Imaging |
| IM_0008 | ImageMagick Raw DICOM image |
| IM_0009 | ImageMagick Raw DICOM image |
| IM_0010 | DICOM Viewers, ImageMagick Medical Image Data |
| IM_0011 | DICOM Viewers Medical Image Data |
| IM_0012 | DICOM Viewers and Medical Image Processing Software Medical Image Data |
| IM_0013 | ImageMagick Medical Image |
| IM_0014 | DICOM Viewer Raw DICOM image |
| IM_0015 | ImageMagick Medical Image Data |
| IM_0016 | ImageMagick Medical Image File |
| IM_0017 | DICOM Viewers Medical Imaging |
| IM_0018 | DICOM Viewers Medical Imaging |
| IM_0019 | ImageMagick, DICOM Viewers Raw Ultrasound Image |
| IM_0020 | DICOM Viewer Medical Image Data |
| IM_0021 | ImageMagick Raw DICOM Image |
| IM_0022 | ImageMagick DICOM Ultrasound Image |
| IM_0023 | DICOM Viewers Medical Imaging |
| IM_0024 | DICOM Viewers Medical Images |
| IM_0025 | ImageMagick Raw DICOM image |
| IM_0026 | ImageMagick Medical Image |
| IM_0027 | ImageMagick Medical Image |
| IN | CFAST input data file (U.S. Department of Commerce) |
| IN | GNU Linear Programming Kit predefined configuration template (Free Software Foundation) |
| IN | McAfee Antivirus input data file (McAfee) |
| IN | Notepad++ input data file (Don Ho) |
| IN | smartGENERATOR template (BITPlan) |
| IN$ | HP NewWave Install File |
| IN0 | INI Backup |
| IN000001 | DICOM medical image (NEMA) |
| IN1 | INI Backup |
| IN3 | Harvard Graphics Input Device Driver (Harvard Graphics) |
| IN4 | InfoBlaster IN4 Registry Library (UIC Phoenxsoftware) |
| IN7 | Ox Object-Oriented Matrix Programming Language PcGive 7 Data File |
| INA | DOS File |
| INB | Motorola L7 Phone MMS Graphic (Motorola, Inc.) |
| INB | Rebel Assault Backup |
| INB | Vermont HighTest Script |
| INB | Visual Expert Source Code Documentation |
| INBOX | Mozilla Thunderbird email storage file |
| INC | Astro data (Astro Developers) |
| INC | Backup and Restore incremental backup (Microsoft) |
| INC | JAWS text (Freedom Scientific) |
| INC | NASM header (NASM Developers) |
| INC | POV-Ray scene description (The POV-Team) |
| INC | PSpice circuit simulation/model header (Cadence) |
| INC | SPICE header for subcircuit (SPICE Developers) |
| INC | Sublime header (Sublime) |
| INC | Visual Studio header (Microsoft) |
| INC | WinCommander data (TopLineSoft) |
| INCA | InCopy/InDesign File (Adobe Systems Incorporated) |
| INCD | InCopy/InDesign Link File (Adobe Systems Incorporated) |
| INCT | InCopy/InDesign File (Adobe Systems Incorporated) |
| INCX | InCopy/InDesign File (Adobe Systems Incorporated) |
| IND | AOL Thumbnails Index File |
| IND | dBASE IV |
| IND | Foxmail E-Mail Box Index |
| IND | InDesign Publication (Adobe Systems Incorporated) |
| IND | LaTeX or TeX Makeindx Index |
| IND | MapInfo MapBasic data Index Data Index File (MapInfo) |
| IND | Notes List files for Compact Task on Domino Server (IBM) |
| IND | Well of Souls Game File |
| IND | Windows Shared Database File |
| IND | Windows/Applog Index |
| IND | XMap Dataset Index (Delorme) |
| INDD | InDesign design project (Adobe) |
| INDESIGNPLUGIN | InDesign Plug-in (Adobe Systems Incorporated) |
| INDEX | Index File |
| INDEXARRAYS | Lucene, Apple Core Data Search Index Data |
| INDEXERVOLUMEGUID | Windows Search Indexer Index Volume ID |
| INDEXSTATE | IntelliJ IDEA IntelliJ Index State |
| INDIGO | Indigo Graphics Format [Eddi Litvak] |
| INDIR | WhatsApp Web Indirect JavaScript |
| INDT | InDesign design template (Adobe) |
| INE | Imagination Configuration Settings (Foxpertise) |
| INETLOC | Safari Website Bookmark |
| INF | Blue Wave information file (Fred Rappuhn and George Hatchew) |
| INF | Creo Elements temporary information data file (PTC) |
| INF | OS/2 hypertext help system data file (IBM) |
| INF | Type Manager font information file (Adobe) |
| INF | Windows setup information file (Microsoft) |
| INFINI-D | Infini-D 3.0 Format |
| INFLATED | yt-dlp Decompressed video data |
| INFO | Among Us game data (InnerSloth) |
| INFO | Cyberpunk 2077 language setup (CD Projekt) |
| INFO | Drupal plugin information (Drupal Community) |
| INFO | Fink package (Fink Community) |
| INFO | LG Smart TV TV information (LG) |
| INFO | Notepad generic information (Microsoft) |
| INFO | OpenH264 data (Cisco) |
| INFO | Sublime generic information (Sublime) |
| INFO | Texinfo documentation (GNU) |
| INFO | XnView icon (XnSoft) |
| INFO | ZoomBrowser image index (Canon) |
| INFO_EXT | NPK Archive Archive Metadata |
| INF_LOC | Microsoft Windows Setup Setup localization strings |
| ING | INGVAR Forestry Simulation (Skogforsk) |
| ING | MasterCook Ingredients |
| INGR | Intergraph Raster File Format (Intergraph Corporation) |
| INH | Visual Basic Basfwin File |
| INI | Cloanto Currency System initialization/configuration file (Cloanto) |
| INI | Finale initialization/configuration file (MakeMusic) |
| INI | Gravis GIPC initialization/configuration file (Gravis) |
| INI | Mwave DSP GM setup initialization/configuration file (IBM) |
| INI | Notepad initialization/configuration file (Microsoft) |
| INI | Notepad++ initialization/configuration file (Don Ho) |
| INI | UltraEdit initialization/configuration file (IDM) |
| INI | Visual Studio Code initialization/configuration file (Microsoft) |
| INI | Windows initialization/configuration file (Microsoft) |
| INIT | Apple II operating system Golden Orchard Apple II CD Rom file |
| INITFS_WIN32 | Microsoft Windows Windows boot image |
| INIT_SAT | SAT solvers SAT solver initialization |
| INK | 7-Zip data (Igor Pavlov) |
| INK | CorelDRAW pantone reference (Corel) |
| INK | InkML Toolkit image (inkmltk-dev) |
| INK | Intkey startup configuration (DELTA Authors) |
| INK | MimioStudio ink data (Boxlight) |
| INK | Tablet PC digital ink (Microsoft) |
| INKML | Ink Markup Language File (W3C) |
| INL | Visual C++ Inline Function File (Microsoft Corporation) |
| INLINE_IMAGE_CID | Email Clients Inline Image Placeholder |
| INLX | InDesign Library Interchange (Adobe Systems Incorporated) |
| INM | Fax Master File |
| INN | COBOL/2 Overlay (Micro Focus) |
| INN | PHANTASMAGORIA INI File |
| INO | Arduino sketch (Arduino) |
| INO | Inno Setup script (Jordan Russell) |
| INO | IPRO data (INOR) |
| INP | Abaqus input data (Dassault) |
| INP | ABAQUS input data (Hibbitt, Karlsson & Sorensen) |
| INP | Application Server Backup and Recovery Tool configuration data (Oracle) |
| INP | ArcGIS input data (ESRI) |
| INP | Centurion Setup project (Gammadyne) |
| INP | CHARMM input data (CHARMM Developers Community) |
| INP | EnCorr input data (Morningstar) |
| INP | FRANC2D mesh data (Cornell Fracture) |
| INP | InPage document (InPage) |
| INP | MAME game replay video clip (Nicola Salmoria and the MAME Team) |
| INP | MPlus statistical input data (Mplus) |
| INP | Tramo-Seats input specification data (Bank of Spain) |
| INP | wxMacMolPlt GAMESS input data (Brett Bode) |
| INPUT | Apple II operating system Golden Orchard Apple II CD Rom file |
| INPV | NapsternetV VPN configuration VPN configuration (Vonmatrix) |
| INQ | Piped Technology Internet Query Configuration File (Queensgate Systems Ltd) |
| INRS | INRS-Telecommunications Sound |
| INS | 1st Reader Install Script |
| INS | AdLib Instrument Music File |
| INS | Ensoniq EPS Family Instrument (E-MU Systems) |
| INS | IIS Internet Communications Settings (Microsoft Corporation) |
| INS | Inspiration Mind Mapping Software File (Inspiration Software, Inc.) |
| INS | InstallShield Script (Revenera) |
| ins | LaTeX Install File for docstrip |
| INS | PUT Compressed File Archive (MicroFox Company) |
| INS | REAKTOR Instrument (Native Instruments) |
| INS | Sample Cell / II Instrument |
| INS | Systems Management Server (SMS) Advertising Instruction File (Microsoft Corporation) |
| INS | WinAHX THX Tracker Instrument (Abyss) |
| INS | WordPerfect (Corel Corporation) |
| INSCRIBE | InScribe 2004 Egyptian Hieroglyphs Document (Saqqara Technology Ltd.) |
| INSP | Insta360 EVO panoramic image (Insta360) |
| INSP | Insta360 Studio panoramic image (Insta360) |
| INST | 3D Graphic |
| INST | Object Oriented Graphics Library (OOGL) |
| Instagram app Instagram video file | |
| INSTALL | Likely a Text File |
| INSTALLER | Apple II operating system Golden Orchard Apple II CD Rom file |
| INSTALLINFO | Eternity Tools Mod Installer |
| INSTR | Apple II operating system Golden Orchard Apple II CD Rom file |
| INSV | iOS (iPhone, iPad) iOS Video Container |
| INT | Delphi saved interface settings (Embarcadero) |
| INT | Devastation language data (Groove) |
| INT | Picture Motion Browser image management data (Sony) |
| INT | Prince of Persia: The Sands of Time video (Ubisoft) |
| INT | Unreal Engine international language localization (Epic) |
| INT | Unreal Tournament mutator (Epic) |
| INT | Visual COBOL semi-compiled program (Micro Focus) |
| INT | Visual Foxpro code page data (Microsoft) |
| INTER | Interspector Project File |
| INTERLOCKFAVOURITES | InterLock and PowerLock |
| INTERNETMAILSEND | Internet Mail Send Powertoy File |
| INTKEY | Intkey Startup Configuration File (DELTA Authors) |
| INTO | Interspector Object File |
| INU | INSPEC Configuration File |
| INV | Acrobat document (Adobe) |
| INV | CliniView patient data (Kavo) |
| INV | dnaLIMS invoice (dnaTools) |
| INV | Lineage inventory (NCSoft) |
| INV | Payroll current year's cheques/invoices (Medlin Accounting) |
| INV | Rainbow Six: Rogue Spear inventory (Red Storm) |
| INV | Sphinx inventory (Georg Brandl and the Sphinx team) |
| INV | Windows Update update data (Microsoft) |
| INVENTOR | Open Inventor File Translator How To [SGI] |
| INVOICE | Accounting Software, E-commerce Platforms, Invoicing Software Billing Document |
| INVWU | Invivo DICOM Ultrasound Workup |
| INV_LOWRES | Rainbow Six: Rogue Spear Inventory File (Red Storm Entertainment, Inc.) |
| INX | ACL analytics index file (Galvanize) |
| INX | Foxpro/Foxbase index file (Fox) |
| INX | InDesign file description/interchange document (Adobe) |
| INX | Inkscape extension or plugin descriptor (Inkscape) |
| INX | InstallShield compiled script (Revenera) |
| INX | Rational ROSE XDE index file (IBM) |
| IN_ | Setup Information (Microsoft Corporation) |
| IN~ | King's Quest 7, Grabriel Knight, Compressed File |
| IO | Compressed Archive |
| IO | IO Language Script (Steve Dekorte) |
| IO | Modula-3 Object File |
| IOB | 3D Object TDDDB Format |
| IOB | Actuate Information Object (Actuate Corporation) |
| IOB | Imagine File |
| IOB | Imagine Ver. 1 or 2 TDDDB Format |
| IOB | iOnly ME Website Generator Backup (iOnly) |
| IOB | TDDD Format 3D Graphic Database |
| IOB | Turbo Silver TDDDB Format |
| IOC | Instant ORGcharting! Organization Chart |
| IOC | Winamp Io Plug-in (File: IMGORG.IOC) (Nullsoft) |
| IOCA | Image Object Content Architecture (IOCA) Graphics File |
| IOD | DVGate DVMotion In/Out List |
| IOF | Findit Document |
| IOF | Findit Document (Microsoft Corporation) |
| IOK | Omniscope Data and Configuration File (Visokio) |
| IOM | Omniscope Data and Configuration File (Visokio) |
| ION | 4DOS file description (4DOS) |
| ION | Mascot data |
| ION | NewsLeecher log (NewsLeecher) |
| ION | Sublime installation description (Sublime) |
| IOP | iOnly ME Website Generator File (iOnly) |
| IP | IconPackager Theme (Stardock Corporation) |
| IP | Interactive Physics Data (Design Simulation Technologies, Inc.) |
| IP | Internet Protocol |
| IP | NRC Inspection Manual Inspection Procedures |
| IP | Profile |
| IP3 | particleIllusion 3 Project (wondertouch, LLC) |
| IPA | App Store application package (Apple) |
| IPC | IncrediFlash Tools Image File (IncrediTools Software) |
| IPC | Interactive Publisher Pro Church Edition Project Data (Interactive Software Designs) |
| IPCC | iTunes iPhone Carrier Update (Apple Inc.) |
| IPD | Desktop Software backup file (BlackBerry) |
| IPD | ImpactCAD backup file (Arden Software Ltd) |
| IPD | InstallPROG 6 EDBS Install Database |
| IPE | ItsPersonal File |
| IPE | Microth Stroke Set (Microth, Inc.) |
| IPE | Wacom Pen SYSTEM.INI and WIN.INI Backup |
| IPEF | VitalSource Bookshelf eBook File Format |
| IPF | Amiga Forever disk image (Cloanto) |
| IPF | F-Secure incremental policy (F-Secure) |
| IPF | Grand Theft Auto III animation data (Rockstar) |
| IPF | Particle Illusion particle illusion (Boris FX) |
| IPF | System Center installer script (Microsoft) |
| IPFG | iPFG 2.4 Client Data File (Phonak Group) |
| IPG | iPod Games game package file (Apple) |
| IPG | Mindjongg game format file (MinderTech) |
| IPH | InterPaint Hires Image |
| IPJ | Enact project (InfinityQS) |
| IPJ | Inventor project (Autodesk) |
| IPK | dpkg package file (The Debian Project) |
| IPK | internet PacKage Archive (direct Netware Group) |
| IPK | iPackGPS iPack configuration file (NRG Systems) |
| IPK | Nintendo DS Packed Images |
| IPK | Sharp Zaurus PDA Application Install File |
| IPL | Corel Pantone Spot Reference Palette |
| IPL | Grand Theft Auto III Object Placement Data (Rockstar Games) |
| IPL | Ink Palette |
| IPL | InstallPROG 6 EDBS File Library |
| IPL | IPLab IPLab-format Image File (BD Biosciences) |
| IPL | PLATO Web Learning Network (PWLN) Temporary File (PLATO Learning, Inc.) |
| IPL22 | PLATO Web Learning Network (PWLN) Temporary File (PLATO Learning, Inc.) |
| IPLI | IPLab Graphic |
| IPM | Image Pro Plus Ver. 5 Macro (Media Cybernetics Inc.) |
| IPN | Inventor Presentation (Autodesk, Inc.) |
| IPOD | Rockbox Executable Application (The Rockbox Crew) |
| IPP | CUPS message (Apple) |
| IPP | CX-Designer project (OMRON) |
| IPP | Eclipse header (Eclipse Foundation) |
| IPP | Help+Manual image (EC) |
| IPP | OpenVPN input data (OpenVPN) |
| IPR | InstallShield project information file (Revenera) |
| IPR | IntelliJ IDEA development project file (JetBrains) |
| IPR | IntelliScore Ensemble project loading file (Innovative Music Systems) |
| IPR | iProcrastinate project information file (Craig Otis) |
| IPR | LiveType animation file (Apple) |
| IPR | SMART Ideas project document (SMART) |
| IPS | 3Dipsos 3D point clouds analysis (Trimble) |
| IPS | Impact report definition (Arden) |
| IPS | iOS log or authorization data (Apple) |
| IPS | IPScript web page template (IPScript Developers) |
| IPS | macOS log or authorization data (Apple) |
| IPS | MultiPatch patch (MultiPatch Developers) |
| IPSW | iTunes operating system image (Apple) |
| IPT | CAD file (CST CAD Navigator) |
| IPT | Inventor part model (Autodesk) |
| IPT | The Palace cyborg script (The Palace Developers) |
| IPT | XnView image (XnSoft) |
| IPTC | Newswire Profile |
| IPTHEME | IconPackager Icon Theme Package (Stardock Corporation, Inc.) |
| IPU | Vocaltech Iphone Internet Phone User File |
| IPV | Ibis Paint X Drawing Data |
| IPW | UniPlot Graph |
| IPX | Interactive Pictures Corporation AV File |
| IPX | Ipix (spherical imagery) Spherical Panorama (Enliven Marketing Technologies Corporation) |
| IPYNB | IPython notebook document (IPython Development Team) |
| IPYNB | Jupyter Notebook notebook document (Project Jupyter) |
| IPYNB | Pandas notebook document (Pandas Community) |
| IPZ | ICQ Skin (ICQ Inc.) |
| IQ | IBM Query File |
| IQA | AmeriCalc Application |
| IQB | AmeriCalc Backup |
| IQC | AmeriCalc Client File |
| IQC | CADIQ Comparison Analysis Result File (ITI TranscenData) |
| IQD | AmeriCalc Database |
| IQD | Webstir File |
| IQF | Integra 3.0 Query File |
| IQI | IBM Query |
| IQJ | CADIQ Specific Tasks/Analysis Details (ITI TranscenData) |
| IQL | CADIQ Log File (ITI TranscenData) |
| IQLL | Image Processing/Quality Assessment Software Image Quality Data |
| IQP | 20-20 Office Sales Exported Quote (20-20 Technologies) |
| IQP | ITEM QRAS Project (ITEM Software, Inc.) |
| IQR | CADIQ View Analysis Results (ITI TranscenData) |
| IQR | IBM Query |
| IQS | AmeriCalc Security File |
| IQS | CADIQ Summary Log File (ITI TranscenData) |
| IQT | IBM Query |
| IQU | AmeriCalc Update |
| IQY | Excel web query (Microsoft) |
| IQY | Notepad web query (Microsoft) |
| IR | Apple II operating system Golden Orchard Apple II CD Rom file |
| IRC | IRCAM Format Sound |
| IRC | jIRCii Script (Raffi) |
| IRC | Nevo Infra-red Device Code (Universal Electronics Inc.) |
| IRCD | iArcade Game Package (Brooklyn Games, Inc.) |
| IRD | IRD Append File |
| IRD | KBOX Heroes Factory File (KBOX Team) |
| IRD | Money Temporary File (Microsoft Corporation) |
| IRF | iWatch surveillance video (JLE) |
| IRF | RoomBox 6 IR code (Living Control) |
| IRI | IRT Cronista Infrared Image (GRAYESS Inc.) |
| IRI | Thermography Studio Infrared Image (GORATEC Technology GmbH & Co. KG) |
| IRIS | Silicon Graphics RGB |
| IRIX | Irix Make File |
| IRIX6 | Irix 6 File |
| IRIX64BIT | Irix 64 Bit Make File |
| IRK | iArcade Game Package (Brooklyn Games, Inc.) |
| IRL | ILOG JRules ILOG Rule Language File (ILOG, Inc.) |
| IROCK | rockWare intelliRock Data File (Engius, LLC) |
| IRP | InfraRecorder project information file (Christian Kindahl) |
| IRP | Internet Researcher database file (Zylox) |
| IRS | WordPerfect Resource File (Corel Corporation) |
| IRTP | Graphicon-2000 Interactive Real-Time PHIGS Graphic |
| IRV | XMap Workfile (ImageReg) (Delorme) |
| IRX | PlayStation 2 library file (Sony) |
| IRX | Static Analyzer Client Utility source code data flow file (IBM) |
| IRX | UVBrewer irradiance properties data file (Martin Stanek) |
| IRZ | iROS Application Packaging Unit (Interactive Workspaces Project, Stanford University) |
| IS | Modula-3 Intermediate Assembly File |
| IS2 | IRT Cronista infrared image data file (GRAYESS) |
| IS2 | SmartView infrared image data file (Fluke) |
| IS? | LoseThos CD-ROM Image (Terry A. Davis) |
| ISA | PowerISO Disk image file |
| ISB | IS-Builder Link File (NPO Computer) |
| ISBN | HM3 Tutorial Software |
| ISC | Gerdsooz data (NetNative) |
| ISC | iScreensaver Designer screensaver project (Xochi) |
| ISC | ISE device configuration (Xilinx) |
| ISC | RVS-COM prepaid SMS package (RVS Datentechnik) |
| ISC | Windows configuration (Microsoft) |
| ISCAMPROJ | iSpring Suite e-Learning Project |
| ISD | dynaSight File |
| ISD | GraphPad InStat |
| ISD | InstallShield Dialog (Acresso Software Inc.) |
| ISD | RapidFile Dictionary |
| ISDATA | Intuit QuickBooks Installer Data |
| ISET | XnView Image Settings File |
| ISF | InfoNet Snapshot File (Wallingford Software Ltd.) |
| ISF | Inspiration Concept Map (Flowchart) Document (Inspiration Software, Inc.) |
| ISF | ModelPress Highly-compressed CAD Model (Informative Graphics Corporation) |
| ISF | Tektronix Instrument Data File (Tektronix, Inc.) |
| ISF | ZerOS Saved Show (Zero 88) |
| ISFF | Intergraph Standard File Format (Intergraph Corporation) |
| ISH | Compressed Archive File |
| ISH | Image Speeder |
| ISH | Image System |
| ISI | Summa Winplot Cutting data |
| ISK | Command File |
| ISL | DB-MAIN Scheme File |
| ISL | Inno Setup 1.3 File |
| ISL | InstallShield Temporary Installer File (Acresso Software Inc.) |
| ISL | The Universal Game Server Export File (The Universal Development Team) |
| ISM | IIS track and bitrate manifest (Microsoft) |
| ISM | InstallShield project (Revenera) |
| ISM | MySQL ISAM table handler data (Oracle) |
| ISM | Silverlight track and bitrate manifest (Microsoft) |
| ISM | SimulationX encrypted model (ESI ITI GmbH) |
| ISM | XnView MP multicolor image (XnSoft) |
| ISML | Intershop Enfinity |
| ISO | 7zip compressed game disk image (Igor Pavlov) |
| ISO | Cimagraphi drawing/model (Graphitech) |
| ISO | Disk Utility disk image (Apple) |
| ISO | InstallShield uninstall data (Flexera) |
| ISO | IsoBuster disk image (Smart Projects) |
| ISO | IsoDraw illustration/animation (PTC) |
| ISO | PowerISO disk image (Power) |
| ISO | RichWin data (RichWin) |
| ISO | Roxio Creator disk image (Corel) |
| ISO | Sega game disk image (Sega) |
| ISO | TempleOS disk image (Terry A. Davis) |
| ISO | Virtual PC virtual disk image (Microsoft) |
| ISO | XnView image (XnSoft) |
| ISO-FMR | ISO-FMR Converter Fingerprint minutiae storage |
| ISOD | CloneDVD ISO Image (Elaborate Bytes AG) |
| ISP | IIS Internet Service Provider Settings (Microsoft Corporation) |
| ISP | Internet Communication Settings |
| ISP | Internet Sign-up File |
| ISP | Internet/Internationnal Communication Settings parameter file |
| ISPD | Malvern Zetasizer Software Particle measurement data |
| ISQ | MicroCT Image (SCANCO Medical AG) |
| ISR | Go-Moku Game File |
| ISR | Streets & Trips Route File (Microsoft Corporation) |
| ISR | Uninstaller Text File |
| ISS | Birst silent response file (Infor) |
| ISS | IDEA script (CaseWare) |
| ISS | Inno setup script (Jordan Russell's Software) |
| ISS | InstallShield silent response file (Revenera) |
| ISS | The Longest Journey sound file (Funcom) |
| ISS | XnView MP image file (XnSoft) |
| IST | Digitrakker Instrument File |
| IST | ImageStyler (Adobe Systems Incorporated) |
| IST | Imagine Staging Stage Editor File (Impulse, Inc.) |
| IST | IsoStar Library of Intermolecular Interactions (The Cambridge Crystallographic Data Centre) |
| IST | Systems Management Server (SMS) Remote Instruction File (Microsoft Corporation) |
| IST | TeX MakeIndex Style Index |
| ISTG | Imagine Staging Stage Editor File (Impulse, Inc.) |
| ISTR | IsoStar Library of Intermolecular Interactions (The Cambridge Crystallographic Data Centre) |
| ISU | Easy CD Creator 4 uninstall script (Roxio) |
| ISU | InstallShield uninstall script (Acresso) |
| ISU | Netscape Navigator data (AOL) |
| ISX | SimulationX archived file of various data (ESI ITI) |
| ISZ | UltraISO compressed disk image (EZB Systems) |
| ISZ | WinMount compressed disk image (WinMount) |
| IS_COMP | Bluehill Universal Compression test data |
| IS_FLEX | Instron Bluehill Universal Instron test data |
| IS_TENS | Instron Bluehill Universal Tensile test data |
| IT | Impulse Tracker Music Module |
| IT | Intalk Settings |
| IT | Read.it |
| IT | Sound |
| IT | VisIT Topographic Map Data (Kort & Matrikelstyrelsen) |
| IT3 | Internet Timer 3 Log File |
| ITA | IconTweaker archived application files (Joost Verburg) |
| ITA | Italian README File |
| ITA | Personal Paint user interface language localization file (Amiga) |
| ITA | Unreal Development Kit language localization game file (Epic) |
| ITA | VTech Learning Lodge Navigator tab application file (VTech) |
| ITC | 7-Zip compressed data (Igor Pavlov) |
| ITC | Image Tool calibration dataset (UTHSCSA) |
| ITC | iTunes cover flow data (Apple) |
| ITC | The Legend of Heroes: Zero no Kiseki Kai data (Clouded Leopard) |
| ITC2 | iTunes album art (Apple) |
| itcl | itcl Source Code |
| itcl | tcl 00 Extension |
| ITD | SDL Trados Translation File (SDL) |
| ITDB | iTunes Media Library Database |
| ITE | E-Tabs Reader File |
| ITF | Inside Tract File |
| ITF | JPI TopSpeed Pascal Interface File |
| ITG | Intergraph Format (Intergraph Corporation) |
| ITH | InTether Receiver File (Infraworks Corporation) |
| ITHMB | iMazing thumbnail (DigiDNA) |
| ITHMB | iThumb Converter thumbnail (iThumb Converter Development Team) |
| ITHMB | Photos thumbnail (Apple) |
| ITI | Impulse Tracker Instrument |
| ITL | IntelliTipster league database file (IntelliForecast) |
| ITL | ITEM ToolKit library database file (ITEM) |
| ITL | iTunes library database file (Apple) |
| ITM | Diablo II Item (Blizzard Entertainment) |
| ITM | Infinity Game Engine Inventory Object (BioWare Corp.) |
| ITM | Item / Article / Zone |
| ITN | TomTom Navigator itinerary database file (TomTom) |
| ITP | BioWare Aurora Engine Palette (BioWare Corp.) |
| ITP | IconTweaker Plug-in |
| ITP | ITEM ToolKit Project File (ITEM Software, Inc.) |
| ITP | riteMail Mail and Notes File (Pen&Internet, LLC) |
| ITP4 | OmniPlan Project planning |
| ITR | Icy Tower Replay (Johan Peitz, Free Lunch Design) |
| ITR | IntroCreator Project File (Klaus Schwenk) |
| ITS | Impulse Tracker Sample |
| ITS | International Translation |
| ITS | Internet Document Set |
| ITU | Sheffield Dictionary File |
| ITW | Icetips Wizard Editor |
| ITW | IT Works Database (Simple Solutions) |
| ITX | Igor Chromatogram File |
| ITX | Impulse Imagine for Windows |
| ITX | ISB Raw Song Format |
| ITX | ITRANS Multilingual Transliteration Scheme |
| ITX | Texture IMAGINE |
| ITZ | Amiga and PC Tracker Module |
| ITZ | Impulse Tracker Music Module |
| IUM | infoUSA Network Meter File (infoUSA.com, Inc.) |
| IUREPLAY | Initial D Arcade Stage Saving replays |
| IUT | Apple II operating system Golden Orchard Apple II CD Rom file |
| IV | Open Inventor 3D scene graph (Visualization Sciences Group) |
| IV-VRML | Inventor VRML Format Document |
| IV2I | Ghost disk image file (Broadcom) |
| IVB | Truevision Targa Format Bitmap |
| IVC | iView MediaPro Catalog (iView Multimedia Ltd.) |
| IVD | Beyond 20/20 Microdata Dimension or Variable-level File |
| IVD | ISPS for Windows Multi-dimensional Data Store (International Planning & Research Corporation) |
| IVE | OpenSceneGraph 3D model (OSG Community) |
| IVF | FFmpeg video (FFmpeg) |
| IVF | Media Player video (Microsoft) |
| IVI | MSDN InfoViewer 5.0 Topic (Microsoft Corporation) |
| IVN | iView MediaPro Catalog Notepad File (iView Multimedia Ltd.) |
| IVNU | Inetba Web Page (Inetba) |
| IVP | Beyond 20/20 User Subset Profile |
| IVP | PhotoSuite Ver 4 Image-based Virtual Reality Text File (Sonic Solutions) |
| IVP | Truevision Targa Bitmap |
| IVQ | MSDN InfoViewer 5.0 index full-text searches |
| IVR | RealPlayer video recording (RealNetworks) |
| IVR | Zoom Viewer virtual reality live picture (iSeeMedia) |
| IVS | ImageView Storage File (Infinite Solutions) |
| IVS | ISPS for Windows Settings File (International Planning & Research Corporation) |
| IVS | iVisit |
| IVS | TronMe Multimedia File (3D Solar UK Ltd.) |
| IVT | Beyond 20/20 Table |
| IVT | Concordance Inverted Full Text Database File |
| IVT | MSDN InfoViewer 5.0 Information Title |
| IVU | ImmerVision XML User Interface (ImmerVision) |
| IVU | IVUE Live Picture Drawing |
| IVUE | Live Picture Multi-view Format |
| IVWD | IntelliVIEW Designer Data/Layout File (Synaptris; products division of Cybernet Software Systems, Inc.) |
| IVWL | IntelliVIEW Designer Report Layout File (Synaptris; products division of Cybernet Software Systems, Inc.) |
| IVWR | IntelliVIEW Designer Report File (Synaptris; products division of Cybernet Software Systems, Inc.) |
| IVWR | IntelliVIEW Offline Report File (Cybernet Software Systems Inc.) |
| IVX | Beyond 20/20 Extract |
| IW | IBM Updater File |
| IW | IconAuthor - HSC InterActive Presentation Flowchart |
| IW | Iconware Application |
| IW | Idlewild Screensaver |
| IW2 | Information Workshop 2000 Data File (BlackCat) |
| IW3 | InfoWeb 3 Web Page (Tietotalo) |
| IW4 | DjVu File |
| IWA | IBM Writing Assistant Text |
| IWA | iWork Archive iWork Archive (Apple) |
| IWB | SMART Notebook Interactive whiteboard content |
| IWC | Installwatch Database |
| IWC | WaveL Wavelet Compressed Bitmap (WaveL Software) |
| IWD | Call of Duty Map - Game Data Archive (Activision, Inc.) |
| IWI | Call of Duty Skin (Activision, Inc.) |
| IWI | Ignite Image Optimiser |
| IWM | IconAuthor Start File (AimTech Corp) |
| IWP | InfinityQS SPC Web Publishing Configuration (InfinityQS International) |
| IWP | Wang Text File |
| IWR | i*write 2.0 File |
| IWR_BAK | i*write 2.0 Backup File |
| IWS | Information Workshop Data File (BlackCat) |
| IWS | InstallWatch Scan Results (Epsilon Squared) |
| IWZ | ItemWizard File |
| IX | FrameMaker Index File (Adobe Systems Incorporated) |
| IX | Modula-3 Linker Information |
| IX | PaperPort Search File (ScanSoft Inc.) |
| IX | WordPerfect Office Template File (Corel Corporation) |
| IX | WordPerfect Office Template File (Corel Corporation) |
| IX1 | Rebel Chess Program Database File |
| IX2 | Rebel Chess Program Database File |
| IX2 | WordPerfect Office Calendar File Calendar File (Corel Corporation) |
| IX2 | WordPerfect Office Template File (Corel Corporation) |
| IX3 | Instant.EXE 3.0 Script (ASXperts Inc.) |
| IX3 | Rebel Chess Program Database File |
| IX4 | Rebel Chess Program Database File |
| IXA | Ulead Image File (Corel Corporation) |
| IXB | Ulead Video Image File (Corel Corporation) |
| IXC | ArcView Geocoding Index For Read-Write Coverages (ESRI) |
| IXC | Index+ for Windows Code Definition File (System Simulation Ltd.) |
| IXD | Videoalive Indexer Extracted Closed Captions and Metadata (Videoalive.com) |
| IXE | InterEX Control File |
| IXF | IFX for FAX FAX Document |
| IXF | Index+ for Windows Form Defintion File (System Simulation Ltd.) |
| IXL | DB/TextWorks Database Indexed List (Inmagic, Inc.) |
| IXP | ISIPublisher Publication Information Export (Image Solutions, Inc.) |
| IXR | Index+ for Windows Report Definition File (System Simulation Ltd.) |
| IXS | ArcView Geocoding Index For Read-Write Shapefiles (ESRI) |
| IXT | ISIPublisher Publication Template (Image Solutions, Inc.) |
| IXX | C++ Include File |
| IY | Roblox Exploit Injectors (e.g., Synapse X, Impact Client) Roblox Exploit Scripts |
| IYP | Instyler Project File (Instyler Software) |
| IZD | Intrexx Application Export Format |
| IZE | IZArc archiver (IZArc) |
| IZS | 1st Page 2000 JavaScript Example File (Evrsoft) |
| IZT | IZL Binary Token |
| IZX | Intermezzon Designer E-Learning Published File (Intermezzon Learning Systems AB) |
| I_I | Eru/erd File |
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