Alphabetic File Extension List: b

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: 1190.

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Extension Information
B bef2c program (Chris Pressey)
B bfbuilder source code (zk-phi)
B Critical Mass Modula-3 base program (elego)
B Grand Theft Auto saved player progress (Rockstar)
B IRIS data (eurobraille)
B LILO boot loader image (LILO Developers)
B Limbo source code (Vita Nuova)
B Molconn-Z molecular data (X Hall Associates Consulting)
B SmartSuite batch list (IBM)
B Visual Studio source code (Microsoft)
B!K Flight Simulator Scenery File (Microsoft Corporation)
B&W 1st Reader Mono Binary Screen Image
B&W Atari Black and White Graphics (Atari)
B&W Image Lab
B00 Archiving/Splitting Software (e.g., HJSplit, WinRAR, 7-Zip) Split Archive Part
B0000001 DICOM Viewer Split DICOM archive
B01 InPage Split document part
B02 ADP Payroll
B1 21st Century Mahjong
B1 B1 Free Archiver compressed archive file (B1 Group)
B1 OpenEdge recovery data file (Progress)
B16 PCO Graphic
B1J BookJones
B1N 1st Reader Binary Screen Image
B1S BookSmith
B2 Progress Database File (Progress Software Corporation)
B2D Brutus2D Source Code File (Pewter Software)
B2P Beckhoff TwinCAT Hardware Configuration
B2Z B2Z dVS Model/Object
B30 Ventura Publisher Printer Font
B32 MS-DOS Bcc file
B36 PDP-10 BLISS-36 Compiler Source
B3D 3D Builder 3D model/object (Microsoft)
B3D BDE Multipath Movie Digital Viewer
B3D Blender 3D model/object (Blender)
B3D Blitz3D/Max/Plus 3D model, object, or mesh (Blitz Research Ltd.)
B3D Boso View Express structure mesh diagram (Mackoy)
B3D IrfanView 3D model/object (Irfan Skiljan)
B3DM CesiumJS 3D tile format
B4 Helix Nuts and Bolts File
B4S Winamp 3+ Playlist
B4U docPointer Visual ReadMe File (docPointer)
B5 CEDICT Chinese/English Dictionary (Erik E. Peterson)
B5I BlindWrite Ver. 5 Image File (VSO-Software)
B5I DAEMON Tools
B5I IsoBuster CD/DVD Image File (Container) (Smart Projects)
B5S Numerical Controlled Machine File
B5T BlindWrite Ver. 5 Table of Contents File (VSO-Software)
B5T DAEMON Tools
B64 ALZip encoded file (EST Soft)
B64 WinZip encoded file (Corel)
B6I BlindWrite Ver. 6 Image File (VSO-Software)
B6T BlindWrite Ver. 6 Table of Contents File (VSO-Software)
B8 Piclab Raw Graphic File
B8 PictureMaker Blue Channel Image Data (Cubicomp)
BA Scifer compressed archive file (Senthil Kumar R)
BA$ MS Compressed BAS Decompress with UNPACK.EXE.
BA2 Bethesda Game Studios games (Fallout, The Elder Scrolls) Game assets
BAB Babble! Data File (Korenthal Associates, Inc, 230 W 13th St, NYC 10011)
BABY Babyz game data file (Ubisoft)
BAC Backup Plus data backup file (AVANTRIX Inc.)
BACK Apple II operating system Golden Orchard Apple II CD Rom file
BACKPACK Backpack Word List (Mammoet Software)
BACKUP Ad-Aware backup file (Lavasoft)
BACKUP Android backup file (Google)
BACKUP ISAPI Loader backup file (Microsoft)
BACKUP pgAdmin backup file (PostgreSQL Global Development Group)
BACKUPGLOBALCATALOG Windows Server Backup Global Catalog backup
BACPAC Microsoft Azure SQL Database SQL Server database metadata (Microsoft)
BAD Brutus application definition (HooBie)
BAD Exchange undelivered email (Microsoft)
BAD Oracle rejected record (Oracle)
BAD Rime Mailer address database
BADONGO BaDonGo File Information (BaDonGo.com)
BAF Infinity Game Engine Script (BioWare Corp.)
BAG AOL 6 Organizer (America Online, Inc.)
BAG AOL Instant Messenger (AIM) Buddy List (America Online, Inc.)
BAG Bag Archive File
BAG Emperor: Battle for Dune Archive
BAG NoX
BAG OS/2 Netfinity Manager Sysinfo File
BAG PMMail 2000 Mail Index File (Blueprint Software Works)
BAG PMMail/2 Mail Index File (V.O.I.C.E. (Virtual OS/2 International Consumer Education))
BAH Infinity Game Engine (BioWare Corp.)
BAI BUILD2WIN Add-in (BID2WIN Software Inc.)
BAI2 BUILD2WIN BUILD2WIN Add-in (Bank Administration Institute)
BAK Act CRM data backup file (Swiftpage)
BAK AutoCAD drawing backup file (Autodesk, Inc.)
BAK SQL Server database backup file (Microsoft)
BAK2 Terraria World backup
BAKLZ4 Mozilla Firefox Firefox Session Backup
BAK_000F ImageMagick Medical Image Part
BAL BAL Borland Programming Language Source
BAL Ballade Music Score
BAM Bob's Adlib Music
BAM Bravo! Archived Media (Thought Studios, Inc.)
BAM Infinity Game Engine Animation and Multi-frame Graphics (BioWare Corp.)
BAM Infinity Game Engine Zlib Compressed Animation and Multi-frame Graphics (BioWare Corp.)
BAM OHRRPGCE Music File (Hamster Republic)
BAM Panda3D Game Engine Compressed Model Folder (Panda3D Development Team)
BAN Creatacard Banner Project (Broderbund)
BAN MegaHAL Non-Keyword List (Ai Research)
BAN Sierra Print Artist Banner
BAND GarageBand music project (Apple)
BANJO Virus data Ransomware, Cryptovirus (Phobos)
BANK Music Extractor Music file
BAR Age of Empires 3 game data file (Microsoft)
BAR Age of Mythology game data file (Microsoft)
BAR BlackBerry 10 application installation package file (Blackberry)
BAR Brew MP application resource file (Qualcomm)
BAR dBASE bar menu data file (dBASE)
BAR Dragon UnPACKer game data file (Alexandre Devilliers)
BARS Nintendo Switch Nintendo Switch Audio
BAS CHDK script (CHDK)
BAS e.Report Designer report generation data (Open Text)
BAS HBasic source code (HBasic Developer)
BAS QuickBASIC tokenized code (Microsoft)
BAS VB Decompiler decompiled code (DotFix)
BAS Visual Basic source code (Microsoft)
BAS Visual Studio source code (Microsoft)
BASE Apple II operating system Golden Orchard Apple II CD Rom file
bash Bash Shell Script
BASHRC Bash startup script (GNU Project)
BASIN Hydrologic Modeling System (HEC-HMS) Basin Model Settings (U.S. Army Corps of Engineers)
BASIS Basis Universal GPU Texture Compressor Compressed texture data
BAT Batch Processing (Microsoft Corporation)
BAU OpenOffice.org 1.1 Configuration Files (OpenOffice.org)
BAV AVG The Bat! Add-in (AVG Technologies)
BAV The Bat! E-mail Client Anti-Virus File (RITLABS)
BAW BrainLED AlfaWave Session (BrainLED)
BAY Kodak/Roper Bayer Picture Sequence
BA_ Proprietary Systems or Software Automated Tasks
BB Art-lantis Billboard Management File (ABVENT)
BB bigBed Track Format Genome File (genome.ucsc.edu)
BB Blitz3D/Max/Plus Source Code (Blitz Research Ltd.)
BB BrowserBob Project File (BrowserBob weblications)
bb gcc -ftest-coverage Basic Block List Data
BB Papyrus Database Backup
BB Starfleet Battles DOS Game
BB2 XBBS-OS/2, XGROUP, AV and ZTree Archiver Control File
BBB Desktop Software data backup file (BlackBerry)
BBC Babya Photo Workshop Color Collection (Babya Software Group)
BBC BBC BASIC for Windows File (R. T. Russell)
BBE Brainbloom Document Exchange File (Gael Limited)
BBF FRAMES Body Burden Concentration File
BBF ScriptBasic Binary File (ScriptBasic Project Team)
BBG Bloomberg Message (Bloomberg Library)
BBG CyberSports for Basketball Game File (CyberSports, Inc.)
bbg gcc -ftest-coverage Basic Block List Data
BBK WWTBAM Game Component
BBL BibTeX bibliography (Oren Patashnik)
BBL Blackbox Tools flight log (Cleanflight)
BBL e-Sword module (Rick Meyers)
BBLX TheWord Bible Database
BBM BDBZM (Project BDBZM)
BBM Deluxe Paint Image File
BBMA Bonzibuddy
BBNM BBNM Converter Encrypted Thumbnails
BBNNG BBN BitGraph Terminal Display Pixel Data (DPD) Sequence Bitmap
BBOO Bboo Ransomware ransomware encrypted files
BBP Bezier Surface File
BBP BitBeamer Split File
BBQ BitBeamer Transfer Queue File
BBRKPUZZLE BrainsBreaker Puzzle (Juan Trujillo)
BBRKSAVE BrainsBreaker Started Puzzle Status (Juan Trujillo)
BBS Bulletin Board System Text
BBS FTN Software Hudson-style Messagebase
BBT CyberSports for Basketball Team File (CyberSports, Inc.)
BBV PPLive Cache? (PPLive Inc.)
BBX BrainBox Neural Net (Neil Fraser)
BBZ Bitblaze Audio File
BBZ Line Rider 2 Unbound DRMed Game Executable (inXile entertainment)
BC BCwin project data file (Procedimientos-Uno)
BC Big Crunch archived file (KaBoom)
BC BitComet incomplete download file (BitComet)
BC Bridge application cache file (Adobe)
BC Low Level Virtual Machine bytecode format file (University of Illinois at Urbana-Champaign Computer Science Department)
BC Mikmak 203 file
BC Print Artist business card file (Sierra Entertainment)
BC! BitComet Incomplete Download (BitComet.com)
BC3 BCC 3 Make File
BC3 Fiebdc-3 Format File
BCA Allplan 2005 Backup Catalog File (Nemetschek A.G.)
BCA Railroad Tycoon 3 Building (PopTop Software Inc.)
BCB3 BC3 Make File
BCC C++ File/Makefile (Borland Software Corporation)
BCC Calendar Creator File (Riverdeep Interactive Learning Limited (Houghton Mifflin Harcourt Learning Technology))
BCCK Apple Books iCloud Backup
BCD Business Card Maker business card (Cosmi)
BCD Development Studio chip/microprocessor definition (ARM)
BCD Digital Library e-book (ReaderRom)
BCD OfficePrinter document (Moss Bay)
BCD Turbo Pascal data (Micro Focus)
BCD Windows boot settings (Microsoft)
BCF bcftools chromatogram trace (samtools)
BCF Business Card Designer business card design (Belltech Systems)
BCF ConfigSafe snapshot index (ConfigSafe)
BCF FrameMaker binary color library (Adobe)
BCF Model Checker report (Solibri)
BCF MyLabel Designer label (Avanquest)
BCF MypostageRateSaver label data (MypostageRateSaver)
BCF Shadow Arena cached data (Perl Abyss)
BCF The Sims 3D body mesh (Electronic Arts)
BCF Windows 7 recently executed programs list (Microsoft)
BCFZIP ZIP file ZIP file (BIM)
BCH Datalex Entry Point 90 Data File (Phoenix Software)
BCH dBASE Application Generator Batch Process Object
BCI Advisor Computer Profile Report (Belarc)
BCK OpenVMS system file (Hewlett Packard Enterprise)
BCKP Ad-Aware Quarantine File (Lavasoft)
BCL Casava base call data file (Illumina)
BCL FASTQ base call data file (Illumina)
BCL PDP-10 compiler source file (Digital Equipment Corporation)
BCM Bridge data backup file (Adobe)
BCM Driver data backup file (Brother)
BCM Outlook data backup file (Microsoft Corporation)
BCM Works data backup file (Microsoft Corporation)
BCMR BC Framer (Boise Cascade)
BCN Business Card Pro Design
BCO Bitstream Fontware
BCO MicroSim PCBoard Backward Engineering Change Order
BCP Bamcompile software project (Bambalam)
BCP BIMcollab project (BIMcollab)
BCP Business Card Designer Plus business card design (CAM Development)
BCP C++ Builder makefile (Embarcadero)
BCR map&guide Station List (PTV AG)
BCS Brian's Compression Shell (BCS) Image Animation/Video Shell
BCS Infinity Game Engine Compiled Script (BioWare Corp.)
BCS Windows95 Browse Information
BCS Yamaha Basic Style (Yamaha Corporation of America)
BCSTM Nintendo game consoles Game audio
BCT Business Card Designer Template
BCT Clarion for Windows Backup Dictionary (SoftVelocity)
BCUZIP BCUninstaller Battle Cats Save
BCW C++ Version 4.5 Environment Settings (Borland Software Corporation)
BCX Beam Report Standard Definition File (SYSTEAM)
BCZ Siemens PLM Software BriefCaseZipfile (Siemens AG)
BD Solaris Browser Data File (Sun Microsystems, Inc.)
BD1 X Operations Map Block Locations (Team Mitei)
BD4 West Point Bridge Designer Ver. 4 Bridge Design
BDB Access data backup file (Microsoft Corporation)
BDB Blaise data backup file (CBS ( Statistics Netherlands))
BDB Evaluation and Audit System database backup file (JPMorgan Chase & Co.)
BDB Works data backup file (Microsoft Corporation)
BDBZM BDBZM (Project BDBZM)
BDC Babylon Dictionary and Translation software (Babylon)
BDC West Point Bridge Designer
BDD Apple II operating system Golden Orchard Apple II CD Rom file
BDE Borland Database Engine (Borland Software Corporation)
BDE Pro/ENGINEER Temporary File (PTC)
BDF Backup To CD/DVD backup definition file (Willow Creek)
BDF BES-100E design data file (Brother Industries)
BDF Binary diff/patch utility patch file
BDF Birthday Reminder birthday reminder file (Christian Weiske)
BDF Bridge Designer design data file
BDF Creative Suite screen font file (Adobe)
BDF E-Mail Detective fragment file (Hot Pepper Technology)
BDF Egret Data File
BDF Linux bitmap image format file (Linux)
BDF Midas astronomy image file (European Southern Observatory)
BDF Nastran bulk data input file (MSC Software)
BDF NuGraf transfer file (Okino)
BDF Quartus II block design file (Altera)
BDF TXRDWIN x-ray diffraction pattern file (Omni Scientific Instruments)
BDF UNIX operating system font file (Open Group)
BDG Badge Designer 2000 Photo ID
BDG BudgetExpress Data File (De Marque Inc.)
BDI Pro/ENGINEER Temporary File (PTC)
BDIC Chrome dictionary file (Google)
BDK OS/2 Saved SKF Format File (IBM)
BDL 7zip compressed data (Igor Pavlov)
BDL Creo Direct bundle (PTC)
BDL GameCube 3D model (Nintendo)
BDL Grid grid bundle (Smartbox)
BDL Printer Update printer firmware (Hewlett Packard)
BDM Blaise data (Statistics Netherlands)
BDM Creator AVCHD movie information (Roxio)
BDM Creo temporary (turd) data (PTC)
BDM Nero AVCHD movie information (Nero AG)
BDM PowerDVD AVCHD movie information (CyberLink)
BDMV PowerDVD movie information (CyberLink)
BDMV VLC movie information (VideoLAN)
BDOC qDigiDoc encrypted signature file (Riigi Infosüsteemi Amet)
BDP Microsoft Exchange Server Exchange Backup Data
BDR Publisher Border (Microsoft Corporation)
BDS Jet Database Engine Database file
BDSPROJ Developer Studio Project File (Borland Software Corporation)
BDT Lingvo Dictionary
BDT TAC Browser Script (Swoot)
BDV BoardView Circuit board schematics
BDW Budget For Windows Data File (Snowmint Creative Solutions LLC)
BDX BarBack Drink Exchange File
BDX FUSE Science Pipeline Bad Data File
BDX JavaBib Index File
BE Apple II operating system Golden Orchard Apple II CD Rom file
BEA Beamer Song File (The Beamer Project)
BEACON Apple II operating system Golden Orchard Apple II CD Rom file
BEAM BEAM compiled code (Ericsson)
BEC Break Even Calculator
BED InfoSnorkel internet data file (Blue Elephant)
BED Integrated Genome Browser genomic data file (The University of North Carolina at Charlotte)
BED RegionMiner genomic regions file (Genomatix Software GmbH)
BEDGRAPH UCSC Genome Browser Genome Coverage Data
BEE Beeline-AIR System File
BEE The Bee Archiver Compressed Archive
BEF Boomi Integration Platform Setup Information (Boomi, Inc.)
BEL Beamer Layout File (The Beamer Project)
BEL Belon Compressed Archive
BEL HPXView Binary Event Log Archive (Haliplex Communication Systems)
BEN Syssoft Sandra File
BEP Beamer Playlist (The Beamer Project)
BEPIS ULTRAKILL Save Game Data
BER German Bericht Report File
BES MOBY Database (Bitter End Systems)
BETA TestFlight iOS diagnostic data
BEX BOOM Extensions To Dehacked
BEX British National Bibliography File
BEX Kashmir 3D Transparent Color Definition
BEX Pretty Good Privacy (PGP) Binary Extracted Public Key (PGP Corporation)
BEXPK Pretty Good Privacy (PGP) Binary Extracted Public Key (PGP Corporation)
BEZ Bezier Surface File
BEZ Bitstream Fontware
BF BefunExec script/program (Mike Schwörer)
BF Beyond Good & Evil game data archive (Ubisoft)
BF bfbuilder script/program (bfbuilder Developers)
BF Birdfont font project (Johan Mattsson)
BF Nostradamus: The Last Prophecy game data (Microids)
BF Prince of Persia game data archive (Ubisoft)
BF XnView image (XnSoft)
BF2 Bidfax 2000 SE Database (Management Computer Controls, Inc.)
BF2 Bradford 2 Font
BFA Blowfish-encrypted File
BFB Ralcgm File
BFC Windows 95 Briefcase File
BFD BeFunky Photo Editor Saving design projects
BFE bcrypt Blowfish Encrypted File (Johnny Shelley)
BFF AIX data backup file (IBM)
BFF World Toolkit data backup file (Renderforest)
BFFM B17 Flying Fortress Game File
BFI Blaise Index (Statistics Netherlands)
BFL Big Flexible Line Interpretation (C64) Bitmap
BFL Colin McRae Rally 2 Data File
BFL yBook eBook (Spacejock Software)
BFLI Big Flexible Line Interpretation (C64) Bitmap
BFM UNIX Font Metrics File
BFME2REPLAY The Lord of the Rings: The Battle for Middle-earth II Game replay
BFN Brother Embroidery Software Font (Brother Industries, Ltd.)
BFR NI Observer Capture File
BFS Tivoli Storage Manager File (IBM)
BFSTM Nintendo Switch Switch Audio File
BFW Blow Fish Web Proofs Encrypted Image File (Custom Binary Services, LLC)
BFX BitFax Document (Bitware)
BG Backgammon for Windows Game File (Microsoft Corporation)
BG Lotus Agenda File
BGA OS/2 Bitmap Graphic Array (IBM)
BGB Chat Background Graphic (Microsoft Corporation)
BGCF Greeting Card Designer Greeting Card Design (Belltech Systems, LLC)
BGDB Global Virtual Accademy E-Learning File
BGI BGInfo Configuration File (Bryce Cogswell)
BGI Borland Graphic Interface (Borland Software Corporation)
BGL Babylon glossary file (Babylon)
BGL Flight Simulator scenery data file (Microsoft Corporation)
BGM Basic4GL 3D Object (BasicGl - Tom Mulgrew)
BGM Jane's Combat Simulations F-15
BGO BigOven Recipe Card (sdmventures)
BGT Graphic Accounts Budget Data (FKJ Software)
BGT Quicken 2002 Internet Common File (Intuit Inc.)
BGV BonanzaGraf
BGW Final Fantasy XI Music (Square Enix Co., LtdSquare Enix Co., Ltd)
BGX BC45 BGI File
BH ALZip
BH ZipTV Compression Components compressed archive file
BH3 Rise of Nations Unit Graphic (Microsoft Corporation)
BHA Rise of Nations Unit Graphic (Microsoft Corporation)
BHD CadSoft EAGLE, EViews Header Information
BHF pcAnywhere Host File (Symantec Corporation)
BHI Partminer Lib file
BHL Partminer Lib file
BHO Behold Settings File (Louis Kessler)
BHS Rise of Nations Script (Microsoft Corporation)
BHTML BabuHTML Embedded Software File
BHX BinHex Compressed File ASCII Archive
BI Binary File
BI Progress Database Before Image File (Progress Software Corporation)
BI Quick Basic or Visual Basic for DOS Include File (Microsoft Corporation)
BI$ MS Compressed BI Decompress with UNPACK.EXE.
BI7 Rukus 110 File
BI? LoseThos Binary Executable File (Terry A. Davis)
BIAR Business Objects (SAP)
BIB BibDesk bibliography database (The BibDesk Team)
BIB BibTeX bibliography database (Oren Patashnik)
BIB JavaBib bibliography database (CTAN)
BIB Papyrus bibliography database (Research Software Design)
BIB Sublime bibliography database (Sublime)
BIBTEX BibTeX Document
BIC Civilization III Scenario (Firaxis Games, Inc.)
BIC Neverwinter Nights Character Sheet (Bioware)
BID BidMaker 2002
BIE JBIG File
BIF Aurora Engine game backup file (Electronic Arts Inc.)
BIF Baldur's Gate game backup file (Beamdog)
BIF GroupWise data backup file (Micro Focus)
BIF Infinity Engine game backup file (Electronic Arts Inc.)
BIF MagicISO disk image file (MagicISO Inc.)
BIF Planescape: Torment game backup file
BIF TomTom misc file (TomTom International BV.)
BIF True Image disk image file (Acronis)
BIF UltraISO disk image file (EZB Systems, Inc.)
BIF WordPerfect data backup file (Corel Corporation.)
BIFF BioWare Infinity Engine Archive of Resources (BioWare Corp.)
BIFF XLITE 3D file
BIG Cartes Michelin
BIG Chinese Text
BIG Electronic Arts Game MOD File (Electronic Arts, Inc.)
BIG Fifa World Cup Game File
BIG Home World 2 SGA Archive (Relic Entertainment Inc.)
BIG Homeworld Compressed Data Archive (Sierra Entertainment, Inc.)
BIG5 Chinese Text
BIGBED UCSC Genome Browser Genome annotation display
BIGWIG IGV indexed genomic signal
BIK Bink Video Player video (RAD Game Tools)
BIK BioCharter profile backup (Invitrogen)
BIK Command and Conquer Generals game movie (Electronic Arts)
BIK RAD Video Tools video (RAD Game Tools)
BIK VLC video (VideoLAN)
BIL ArcView image file (ESRI)
BILL Invoice file Invoice file
BIM Bytessence InstallMaker installation project file (Alexandru Trutia)
BIM Envisioneer self-contained catalog file (Cadsoft)
BIMD Blue Ink Meta-Data (Automated Architecture, Inc.)
BIMX ARCHICAD 3D Model Viewing
BIN AVG virus definitions update (AVG)
BIN CorelDRAW project image (Corel)
BIN GPS Datalogger Device Control GPS Tracklog (mdeweerd)
BIN Linux executable (Linus Torvals and the Linux Community)
BIN Perceptron Scanner scanner data (Perceptron Scanner)
BIN Powerflip Demo data (Hewlett Packard)
BIN PowerISO disc image (PowerISO)
BIN Speedtouch router firmware (Thomson Telecom)
BIN TenCORE Plug-in Helper Application plugin (TenCORE)
BIN The Unarchiver Macbinary encoded data (MacPaw)
BIN VLC video (VideoLAN)
BIN Windows executable (Microsoft)
BINARY varies depending on the specific file format. Storing data
BINARYCOOKIES Apple Safari Safari Cookies file (Apple)
BINARYPB Google Protocol Buffer library Serialized data storage
BIO BioArc compressed crchive
BIO Fallout game character biography (Bethesda)
BIO Infinity Game Engine game character biography (BioWare)
BIO Mudbox 3D character (Autodesk)
BIO OS/2 BIOS configuration (IBM)
BIOT BiotSavart Magnetic Design File (Ripplon Software Inc.)
BIP ArcView band-inteleaved image (ESRI)
BIP Blue Ink project (Automated Architecture)
BIP Keyshot 3D geometry data (Luxion)
BISIGN Bohemia Interactive Games Digital Signature
BIT Vivado bitstream (Xilinx)
BIT Worms Armageddon imported map (Team17)
BIT Worms World Party imported map (Team17)
BIT X Window System image (X.Org Foundation)
BITMAP Apple II operating system Golden Orchard Apple II CD Rom file
BIU BidMaker 2002 Update
BIX BIX Archiver Compressed Archive
BIX Civilization III Scenario (Firaxis Games, Inc.)
BIX Digital Video Witness CCTV Data File (Kodicom Co., Ltd)
BIX Index to a .BIB BibTeX Bibliography Database
BIZ BIZ dVS mode/object
BIZ Creatacard business card project (Broderbund)
BIZ Print Shop business card project (Broderbund)
BIZ PrintMaster business card project (Broderbund)
BIZ ShowBiz DVD project (ArcSoft)
BIZDESIGN BusinessReport Design (Actuate Corporation)
BIZDOCUMENT BusinessReport Document (Actuate Corporation)
BJD NDDigital Print Bureau (NDDigital S/A)
BJF NTI Backup NOW! File
BJG DESQview (Symantec Corporation)
BJK Blaise File (Statistics Netherlands)
BJK Scanner Recognita file
BJL BJL Business Systems Active Translation Document (The BJL Group)
BJO Tabrite Banjo Tablature (Janet Davis Music)
BJSON Applications requiring efficient data serialization Binary JSON data
BK FrameMaker book file (Adobe Systems Incorporated)
BK JetFax Faxbook File
BK LinguAssist sample exercise book file
BK Movie Magic Screenwiter screenwriter backup file (Write Brothers)
BK Samsung Notes short notes text file (Samsung)
BK! Backup
BK$ Backup
BK0 Aspen HYSYS Simulation Backup
BK09 BusyWin Data Backup
BK1 AutoCAD drawing backup file (Autodesk, Inc.)
BK1 Bach Preludes and Fugues MIDI akmi Source, Book 1
BK1 Backup
BK1 CA ERwin Data Modeler
BK1 VirtuaGirl graphics file (Totem Entertainment)
BK1 Windows data backup file (Microsoft Corporation)
BK2 Bach Preludes and Fugues MIDI akmi Source, Book 2
BK2 Backup
BK2 VirtuaGirl Graphics Container (Totem Entertainment)
BK21 MKVToolNix, VLC media player, and other multimedia players Storing videos
BK3 Backup
BK3 VirtuaGirl Graphics Container (Totem Entertainment)
BK4 Backup
BK5 Backup
BK6 Backup
BK7 Backup
BK8 Backup
BK9 Backup
BKC Backup4all backup file (Softland)
BKF BKF Recovery data backup file (Aryson Technologies Private Limited)
BKF Moto Racer Archive
BKF NT Backup - Restore Utility data backup file (Microsoft Corporation)
BKF WindowsXP system file (Microsoft)
BKG Background File
BKG Samsung Document (Samsung)
BKG UWXAFS Binary Format Data File
BKI Backup Index
BKI IBM BookManager Backup Index
BKI IBM Softcopy Reader (Bookmanager) Bookshelf (and Book) Index File (IBM)
BKP Zapback incremental backup file (Zaplots, Inc)
BKR Bruker Aspect NMR Data File
BKR ReplaceEm Fileset (Custom Fit Software)
BKS BookManager bookshelf file (IBM)
BKS Bouncy Castle key store file (Legion of the Bouncy Castle)
BKS Capego Bokslut year-end export file (Wolters Kluwer)
BKS Softcopy Reader bookshelf file (IBM)
BKS Windows 2000 scheduled backup script file (Microsoft)
BKS Works spreadsheet backup file (Microsoft)
BKS z/OS bookshelf file (IBM)
BKT Zortech 3 tools Samples File
BKU Timeslips Backup (Peachtree Software)
BKUP Backup software, various applications data backup/restore
BKW FontEdit Fontset Mirror Image
BKY bookkey Bookmark/Keyword Data (Michael Valentiner-Branth)
BKZ FileFort Backup Software backup file (NCH Software)
BL Binary Linework TIFF Bitmap
BLA Black Color Separation (Adobe Systems Incorporated)
BLA Blaise Data Model (Statistics Netherlands)
BLA Blat E-mail
BLACK Apple II operating system Golden Orchard Apple II CD Rom file
BLADE Blade template engine Blade view file (Laravel)
BLANK Apple II operating system Golden Orchard Apple II CD Rom file
BLAST Apple II operating system Golden Orchard Apple II CD Rom file
BLASTERBALL3SAVEDGAME BlasterBall Ver. 3 Saved Game (WildTangent, Inc.)
BLB ACT! Database File (Best Software CRM Division)
BLB Blob File
BLB BlockLand Brick File (BlockLand LLC)
BLB Blorb Game Resource Package
BLB DreamWorks Resource Archive
BLC BIACORE Instruments and BIAlite Project (Biacore)
BLD 3D Home Architect project file (Brøderbund Software)
BLD ACT! internal working file (The Sage Group)
BLD Developer Studio MAK (Microsoft Corporation)
BLD EnergyPro internal working file (EnergySoft)
BLD Envisioneer 3D/2D model file (Cadsoft)
BLD HGTV icon file (Home Design Software)
BLD My Personal Programmer project file (MPact Technologies)
BLD QuickBASIC various data file (Microsoft)
BLD RealFlight aeroplane description file (Knife Edge Software)
BLD SimCity saved building file (Electronic Arts)
BLD VersaPro program block file (Emerson Automation)
BLD Visual Build project file (Kinook Software)
BLD Weinberger Picture Sequence
BLD XnView MP image file (Pierre-Emmanuel Gougelet)
BLD Yoot Tower game progress file (Sega)
BLE BIAevaluation Ver 2.x Project (Biacore)
BLE Photoline4 Blends file
BLEND Blender 3D model (Blender)
BLEND Blender Publisher 3D model (Blender)
BLEND1 Blender 3D model backup file (Blender)
BLF Advanced Computer Architecture car simulation
BLF Allegro CL encrypted object store (Franz)
BLF BancTec Scanner driver (Kofax)
BLF BIAevaluation project (Biacore)
BLF CLFS base log (Microsoft)
BLF Defender trojan (Microsoft)
BLF DriveBlockEditor function block data (Rockwell Automation)
BLF Halo game graphics (Xbox Games Studio)
BLF LBC data (LBC Developers)
BLF Rally Online car texture (GameSpy)
BLF Telerate workspace (Telerate)
BLG arcserve log file
BLG BibTeX log file (Oren Patashnik)
BLG OrCAD log file (OrCAD)
BLG Performance Monitor system performance log file (Microsoft)
BLI BLINK Archiver Archive (De Trans Software)
BLI PDP-10 BLISS-10 Compiler Source
BLI Thomson Speedtouch Series WLAN Router Firmware (Thomson Telecom)
BLINK Apple II operating system Golden Orchard Apple II CD Rom file
BLK 3DS Max block library (Autodesk)
BLK AccountEdge record of employment bulk data (Acclivity)
BLK AutoCAD block attribute template (Autodesk)
BLK FineReader area template (ABBYY)
BLK Geshin Impact streaming asset (miHoYo)
BLK ProWORX block data (Schneider Electric)
BLK Quilt block (Quilt-Pro Systems)
BLK VersaPro block (GE Fanuc Automation)
BLK War Thunder model skin settings (Gaijin)
BLK Win32Forth block data (Win32Forth Project Group)
BLK WordPerfect temporary data (Corel)
BLK XnView image (XnSoft)
BLL INPRISE Format Language Library (Borland Software Corporation)
BLL VBS/European-A Worm
BLN Rise of Nations Campaign Media File (Microsoft Corporation)
BLO Microsoft Outlook Offline Folder File
BLOB AZURE binary large object (Microsoft)
BLOB blobby.c file system object (University of New South Wales)
BLOB Cognos TM1 placeholder file (IBM)
BLOB Cosmic Blobs 3D model file (Dassault Systèmes)
BLOB Farmerama update launcher (Bigpoint)
BLOB MailArchiva mail container (Stimulus Software)
BLOB OpenVINO compiled model output file (Intel)
BLOB Steam Steam archive (Valve)
BLOB Transport Fever mesh definition file (Urban Games)
BLOB UJAM App plug-in content file (UJAM)
BLOBDATAFILE macOS macOS Binary Data
BLOCK Apple II operating system Golden Orchard Apple II CD Rom file
BLOCKMAP Windows Store, Inno Setup Package Metadata
BLOG Skype Skype Logging
BLP Warcraft picture (Blizzard)
BLR BIACORE Instruments and BIAlite Project (Biacore)
BLS BIACORE Instruments and BIAlite Project (Biacore)
BLS Blockland Saved Game (Step 1: Games LLC)
BLS Brush Lettering Saved Brush Lettering Style (EK Success, Ltd., pcCrafter, Inc.)
BLT AOL Instant Messenger (AIM) Saved Buddy List File (America Online, Inc.)
BLT CATC Merlin Bluetooth Trace Files (Computer Access Technology Corporation (CATC))
BLT Wordperfect for DOS (Corel Corporation)
BLU Apple Binary 2 Library Utility Archive
BLU Blue Compiler Blue Source File (Monash University)
BLU blue Database (walkingtoyou.com)
BLUE EVE Online Texture File (CCP hf)
BLUEPRINT Unreal Engine Visual Scripting
BLURB Apple II operating system Golden Orchard Apple II CD Rom file
BLW ArcView World File For BIL Image (ESRI)
BLY Fifa World Cup Game Art Loadgame file.
BLZ Bitmap Graphic
BLZ Blazon Heraldic Shield
BLZ Emblaze.Creator File
BLZ N-Gage Game File (Nokia)
BLZ Serial Number File
BLZ Twinkle Bulbs Bulb File
BM X Windows System Bitmap
BM$ Modem Bitware Fax disk2 file
BM1 Apogee BioMenace Data
BM2 Subspace/Continuum Graphic
BM3 PC Suite data backup file (SONY AUSTRALIA)
BMA BMA Archiver Compressed Archive
BMAP Apple II operating system Golden Orchard Apple II CD Rom file
BMAPI Microsoft Outlook Outlook email data
BMB Pro/ENGINEER Temporary File (PTC)
BMB SLICS Bounding Box Information
BMC Embroidery Graphic File
BMC IBM Voice Type languages Newuser File
BMD GameCube 3D Model (Texture + Skeleton) (Nintendo)
BMD Mu Online Data File (WEBZEN, Inc.)
BME Beatmania Music Simulator File (Konami Broadcasting)
BMF BMF Bitmap
BMF BrainMine Mind Map (Neural Matters Limited)
BMF ByteMap Font
BMF Corel Flow Image File (Corel)
BMF FloorPlan Project File (IMSI/Design LLC)
BMF_ Bocad-3D Bocad plot file
BMG Bert's Dinosaurs File
BMHTML Deluxium Stored Bookmark (Bookmark Hyper Text Markup Language) (ShadowIdeas,co,uk)
BMI 3ds Max Executable (Autodesk, Inc.)
BMI Blaise Index File (Statistics Netherlands)
BMI Blue Martini Import File
BMI Buzz Instrument
BMK BillMinder backup (return7)
BMK PowerDVD bookmark (CyberLink)
BMK TrueSight icon (BMC)
BMK Windows help bookmark (Microsoft)
BMK WinDVD bookmark (Corel)
BML Alpha Five Image Library File (Alpha Software, Inc.)
BML Bean Scripting Framework (BSF) File
BML BPM Studio Skin Bitmap (ALCATech)
BML BusinessMAP Map Layer File (ESRI)
BMM Tacmi Pixia Palette File
BMML Balsamiq Wireframes user interface mockup (Balsamiq Studios)
BMML Braille Music Reader score music (Contrapunctus)
BMP Award boot logo (Phoenix)
BMP Infinity Game Engine palette information (BioWare)
BMP Photos bitmap image (Microsoft)
BMP Preview bitmap image (Apple Inc.)
BMP24 Bitmap Graphic
BMPENX egis Encrypted BMP File (HiTRUST Inc.)
BMPR Balsamiq Wireframes wireframe (Balsamiq Studios)
BMS Backup Magic backup set file (Moon Software)
BMS Beatmania game data file (Konami)
BMS BeMusic script file
BMS BIOWRAP biometric authenticated file (Nation Technologies)
BMS QuickBMS source code file (Luigi Auriemma)
BMT Alpha Five Image Library File (Alpha Software, Inc.)
BMT Ami Pro Button Image (IBM)
BMTP Bome's Midi Translator Project File (bome.com)
BMU Infinity Game Engine BioWare Music Unit (BioWare Corp.)
BMW Buzz Music File with Waves
BMW W32/Liji-A
BMX Alpha Five Image Library File (Alpha Software, Inc.)
BMX BMXdesign Extended Bitmap Graphic (Container) (HEIDENHAIN)
BMX Buzz Music File
BMX Siemens Mobile Phone Animation (Siemens)
BMZ Compressed BMP File
BMZ Demon Stalkers: Raid on Doomfane
BM_ Mumath 30 File
BM_ WebCD Fread File
BN AdLib Instrument Bank
BN2 Bojanov Encryptor Encrypted File (Bojanov Software)
BN7 Ox Object-Oriented Matrix Programming Language PcGive 7 Data File
BNC Bojanov Encryptor Encrypted File (Bojanov Software)
BNCPREFERENCES macOS applications Stores user settings
BND DB2 Bind File
BND Flight Simulator Panels File (Microsoft Corporation)
BND Typequick File
BNDL Need for Speed: Most Wanted game data archive file (Electronic Arts)
BNF IBM Voice Type Languages Map File
BNG RANGER.EXE
BNK Awave Studio instrument bank (FMJ)
BNK ExamView question bank (Turning)
BNK Guitar Rig instrument preset bank (Native Instruments)
BNK Need For Speed game sound/music (Electronic Arts)
BNK RAD Video Tools compressed audio/video (RAD Game Tools)
BNK SimCity game data (Electronic Arts)
BNK Wwise game sounds bank (Audiokinetic)
BNL MicroSim PCBoard Netlist File For The Board Layout
BNP Imaging Edge camera video metadata (Sony)
BNR Banner - Poster Graphic Banner
BNR Binary News Reader File
BNSKIN BeatNik Clock Skin (Something Decent)
BNT Entropia Universe Texture, Sound and String Archive (MindArk PE AB)
BN_ Ntgraph Ze32v215 file
BOA BOA Constrictor Archiver Compressed Archive
BOB Bob Raytracer
BOB BobDown Downloading Program
BOB TAC Browser URL (Swoot)
BOCHSRC Bochs Configuration File (The Bochs Project)
BOD Data Designer Ddbac File
BOD Roland Garros Tennis Terrain File
BOD2 Kenshi Character body data
BOE Outlook Express Backup File (Microsoft Corporation)
BOF BrowserBob Object File (BrowserBob Weblications)
BOF IBM Voice Type Language Task Enroll File
BOI Botje Bot-file (TNHteam)
BOK Drudix Book Designer Book Definition File (iAR GmbH)
BOK Standard Jet database Standard Jet database
BOL Booasm Compressed Archive Library (Microsoft Corporation)
BOM Creo temporary data (PTC)
BOM Eagle parts list (Autodesk)
BOM Eclipse bill of materials (Eclipse Foundation)
BOM macOS bill of materials (Apple)
BOM OrCAD Capture bill of materials (Cadence)
BOM Softshare Delta business object model (Softshare)
BOMBSLANDED BombsLanded (likely a software project or company) Linux Executable
BONE Bones 3D model file (r a f t)
BONES xfit Ridgeline File
BONK BONK Lossless/Lossy Audio Compressor
BOO Boo class data file (Rodrigo B. De Oliveira)
BOO BookManager ebook file (IBM)
BOO Image File
BOO Kermit protocol binary data file (Columbia University)
BOO ZipZag compressed archive file (Gabriel Valentin Cristescu)
BOOA Ransomware, File Encryptors Encrypted Files
BOOK Booksmart BookSmart Book file (Blurb)
BOOK Budget In Brief Budget in Brief book file (Budget In Brief)
BOOK FrameMaker FrameMaker book file (Adobe)
BOOK iBooks Author iBooks Author project file (Apple)
BOOK ICE Book Reader e-book file (ICE Graphics)
BOOKMARKS Google Chrome Saved Web Links
BOOP Boop Ransomware Encrypted Data
BOOT InstallShield Page layout (Revenera)
BOOTMGR Microsoft Boot Manager Windows Boot Manager (Microsoft)
BOOTSCREEN BootSkins New Boot Screen (Stardock Corporation)
BOOTSKIN BootSkin Windows Boot Skin (Stardock Corporation, Inc.)
BOP Apple II operating system Golden Orchard Apple II CD Rom file
BORLAND C Makefile (Borland Software Corporation)
BOS Brotherhood of Steel Compressed File
BOS Dynamite VSP Building Object Style (3am Solutions (UK) Limited)
BOT Frogbot Editor
BOT LinkBot document
BOT Robot Arena: Design & Destroy Robot (Gabriel Group, Inc.)
BOT Soldat Bot Information File (Michal Marcinkowski)
BOW Back Orifice 2K Workspace
BOX Calypso Email mailbox (Rose City)
BOX CARA loudspeaker design (Sarooma)
BOX Digital Video Witness surveillance video (Say Security)
BOX Domino mailbox (HCL)
BOX Foxmail mailbox (Tencent)
BOX Lemmings Revolution game data archive (Take Two)
BOX MediaShout presentation script (MediaComplete)
BOX SQL Server compressed executable (Microsoft)
BOX Store compressed executable (Microsoft)
BOX System Center temporary data (Microsoft)
BOX Tessaract training data (Google and Tessaract Community)
BOX ThrottleBox Player multimedia (Spectra)
BOX Vagrant pre-configured disk image (HarshiCorp)
BOX Vbox helper application (Aladdin Knowledge Systems)
BOX Vtrain box data (Paul Raedle)
BOX3D Box Shot 3D Project (Applications For Life)
BOXNOTE Box Notes Box Notes file
BOXR Boxerjam Interactive Game System
BOZ BZIP Over ZIP Compressed File Archive
BP BankPerfect Accounts File (Fabio Chelly)
BP Binary Picture TIFF Bitmap
BP1 BPwin BPwin diagram file
BPA Death Rally backup file (Remedy Entertainment Plc.)
BPB PowerDesigner backup file (SAP)
BPC BuildPro File
BPC Business Plan Toolkit Chart
BPD BizInt Smart Charts for Patents Data Transfer Format (BizInt Solutions)
BPD Business Plan Pro Business Plan Data (Palo Alto Software, Inc.)
BPD Büro Plus NexT FlashFiler Database File (microtech GmbH)
BPD Cash Compass Plan (Palo Alto Software, Inc.)
BPD catDB Template Property Dictionary
BPD Data Designer Database Backup File
BPD DTLplot Beadpull Data File
BPD FARSITE Burn Period File (The Fire Sciences Lab (FiSL))
BPD PCIScope PCI and ISA PnP Subsystem Information (APSoft)
BPD Pscript Binary PostScript Printer Description File
BPDX Acrobat Batch PDX (Catalog) File (Adobe Systems Incorporated)
BPE WhatsApp WhatsApp Audio
BPEL Fiorano BPEL Project File (Fiorano Software Inc.)
BPF BatchPhoto profile (Bits&Coffee)
BPF BrightAuthor project (BrightSign)
BPF Business Plan table formatting (Palo Alto Software)
BPF F-Secure TOTAL base policy (F-Secure)
BPF Quick Terrain Modeler 3D point cloud (Applied Imagery)
BPF SPT-AKI game data (SPT-AKI Community)
BPG Borland Project Group (Borland Software Corporation)
BPI IBM Voice Type languages Newuser file
BPJ Bravo! Project (Thought Studios, Inc.)
BPK Blaise File (Statistics Netherlands)
BPK C++ Builder Package File (Borland Software Corporation)
BPKEY Blender Publisher License Key (Stichting Blender Foundation)
BPL AutoCAD batch plot list (Autodesk, Inc.)
BPL Delphi Boreland package library (Embarcadero Technologies)
BPL TSR Mobile bore plan log file (Subsite)
BPL Winamp playlist file (Radionomy)
BPLIB BrilliantPhoto Photo Library File (Brilliant Labs, Inc.)
BPM Battle Planner module (Battle Planner)
BPM Bizagi Modeler process model (Bizagi)
BPM BLOX CMS editorial asset (TownNews)
BPM Brazil R/S photon map storage (Imagination)
BPM GenomeStudio methylation sites manifest (Illumina)
BPM PowerDesigner process model (SAP)
BPMN ActiveModeler Avantage Template File (KAISHA-Tec Co. Ltd)
BPMN bpmn.io Business Process Model and Notation
BPMN2 SAP Signavio Process Manager, Trisotech BPMN Modeler, Camunda Modeler Business Process Modeling
BPN ArchiCAD drawing backup file (GRAPHISOFT)
BPP Clarion for Windows Backup Application (SoftVelocity)
BPP MUSICMATCH Burner Plus Project
BPP Taskmaster Batch Pilot Project (Datacap Inc.)
BPR BackupXpressPro Project File
BPR C++ Builder 6 Project (Borland Software Corporation)
BPR Reference Count 01 File
BPS Anti-Virus misc file (Kaspersky Lab.)
BPS Business Plan Toolkit data backup file (BDO Australia Ltd.)
BPS FTP Settings misc file (BulletProof Software.)
BPS Security misc file (NortonLifeLock Inc.)
BPS Works data backup file (Microsoft Corporation)
BPS XMap data backup file (Luminex Corporation.)
BPT Belarc Product Key (Belarc)
BPT Corel Bitmap Master File
BPV BallPark Business Valuation Valuation Scenario File (BulletProof Business Plans)
BPW ArcView World File For BIP Or BMP Images (ESRI)
BPW QuickBooks Business Planner File (Intuit Inc.)
BPX BusiPlan File (Manager-Pro)
BPX Lumena BigPix
BPX Truevision Targa Bitmap
BPZ Botpress Botpress Chatbot Export
BQW ArcView World File For BSQ Image (ESRI)
BQY Hyperion report (Oracle)
BR Bridge Script
BR Omnis7 Data (Omnis Software)
BR The Playa File
BR0 Boss BR-800 Digital Recorder Audio Data
BR1 Wincmd Fle
BR3 Bryce 3D Scene File (DAZ Productions)
BR4 Bryce 3D scene (DAZ)
BR4 iDrive multimedia data (BMW)
BR4 iDrive multimedia data (BMW)
BR5 Bryce 3D scene (DAZ)
BR6 Bryce 6 Scene (DAZ Productions)
BRAIN Msdev Common Addins File
BRAW DaVinci Resolve video data
BRC Bryce 2 Scene (DAZ Productions)
BRC Onset Design Briefcase Briefcase (Onset Design)
BRD Allegro printed circuit board design (Cadence)
BRD Altium Designer printed circuit board design (Altium)
BRD EAGLE printed circuit board drawing (Autodesk)
BRD KiCad printed circuit board layout (KiCad Developers)
BRD OpenBoardview boardview (OpenBoardView Developers)
BRD RPG Toolkit board design (Christopher Matthews)
BRD Smart Charts Drug Development Suite data (BizInt)
BRD WinBoard project (Micro Logic)
BRD Winning Bridge saved hand (Gerald Wilson)
BRE Breuckmann Scanner File
BREP ABViewer CAD File (CADSoftTools)
BREP Boundary Representation File Format
BREP Open CASCADE 3D Model File (Open CASCADE Company)
BREPORT Microsoft Windows Error Reporting
BRF Blazie Notetaker Braille-Ready Format file (Blazie Engineering)
BRF Brief
BRF Duxbury Braille Translator Braille-Ready Format file (Duxbury Systems)
BRH Baraha Document (Sheshadrivasu Chandrasekharan)
BRI Basic Rate Interface File
BRI FirstClass
BRIDGESORT Adobe Bridge Cabinet File (Adobe Systems Incorporated)
BRK Brooktrout Fax-Mail File
BRK The Brake! Mailer REXX Script
BRL Ballistic Research Laboratory CAD
BRLCAD Ballistic Research Laboratory CAD
BRM Kega Fusion Backup RAM
BRM3 BrModelo Database diagram
BRML Bruker DIFFRAC.EVA X-ray diffraction data
BRN BrainStorm Data File (Brainstorm Software Ltd)
BRN MegaHAL Brain File (Ai Research)
BRN PersonalBrain Data (Brain) File (TheBrain Technologies Corp.)
BRN yBook Compiled eBook (Spacejock Software)
BRO BR-532 Digital Studio BR-532 track data (Roland)
BRO BROADLEAF 3D tree (Onyx)
BRO Bryce plugin (DAZ)
BRO Creatacard booklet/brochure (Broderbund)
BRO Embird embroidery (Embird)
BROWSER ASP.NET browser definition (Microsoft)
BROWSER Visual Studio browser definition (Microsoft)
BROWSER_ASSETS ZeroFox Browser Isolation zipped web resources
BROWSINGTOPICSSITEDATA Google Chrome Browsing Topics Database
BRP Tree Professional Broadleaf Creator Image
BRS Batchrun Batch File (Outer Technologies)
BRS Corel Painter Brush File
BRS RoboHELP Browse Sequence
BRSAR BRSTM Converter, BrawlBox Nintendo sound archive
BRSTM Foobar2000 game soundtrack and sound effects (Nintendo)
BRT Booria Carpet Designer Professional Plus Edition 6.20 Robotuft Project (Booria CAD/CAM Systems)
BRT Brooktrout Fax-Mail File
BRT Micrografx System4 Browser file
BRT PeoplePC Install Script (PeoplePC, Inc.)
BRU Brutus Restore File
BRU Photoline4 Brushes File
BRUSH Xerox Doodle Brush File
BRUSHSET Procreate Procreate Brush Collection
BRW Application File Associated with financial institution(s) loan applications.
BRX Beam Report Document (SYSTEAM)
BRX Enterprise Information Portal Suite Backup and Restore Data/Settings (Epicor Software Corporation)
BRX Multimedia Browsing Index
BRZ DbBRZ File
BS Infinity Game Engine Compiled Script (BioWare Corp.)
BS Printfox/Pagefox Bitmap
BS1 Apogee Blake Stone Data
BS2 Basic Stamp 2 Code File
BS2 Burning Sand 2 Add-on (Max Nagl)
BSA BSARC Compressed Archive
BSB BioShock saved game (2K)
BSB MapInfo sea chart (Precisely)
BSB SWAT sub-basin output data (GSWRL)
BSC BinSCII Apple II Compressed Archive
BSC Boyan Script
BSC Developer Studio Browser File (Microsoft Corporation)
BSC Fortran Pwbrmake Object
BSC Source Browser Database
BSCS Strategy2Act Balanced Scorecard File (AKS-Labs)
BSCT Strategy2Act Balanced Scorecard Strategy File (AKS-Labs)
BSD Crossfire Commander chemical data file (Beilstein Institut)
BSD FacetWin backup set description file (FacetCorp)
BSD ISE Design Suite Boundary Scan Description Language file (Xilinx)
BSD Notepad Boundary Scan Description Language file (Microsoft)
BSDL ISE Design Suite Boundary Scan Description Language file (Xilinx)
BSDL Notepad Boundary Scan Description Language file (Microsoft)
BSE CRiSP Harvest File
BSF BadukSearch/BadukTracer Selected Game File
BSF Bridge-Soft Quarterly File
BSF JCanyon: Grand Canyon for Java DEM File
BSF Rainbow Six: Rogue Spear Buildspace File (Red Storm Entertainment, Inc.)
BSH BeanShell Script
BSI BSPlayer Configuration
BSK Bryce 3D sky (DAZ Productions)
BSK SecurDisc private key (Nero)
BSL BSPlayer Configuration
BSM SQLMatcher Project File (Berryware)
BSN BSA Packing Program Archive (PhysTechSoft Ltd.)
BSN MIDI File
BSON BSON source code file (MongoDB)
BSP Basic Scripting pages web page (arahnoWare)
BSP BestAddress HTML Editor website project (Multimedia Australia Pty. Ltd.)
BSP Counter-Strike map/level (Valve)
BSP Getic 3D scene/model (Getic 3D Developers)
BSP Half-life map/level (Valve)
BSP Manhunt scene/level (Rockstar)
BSP Quake map/level (Bethesda)
BSP Skyfield ephemeris (Skyfield Developers)
BSP Source map/level (Valve)
BSP Star Trek Elite Force map (Raven)
BSP Steam map/level (Valve)
BSP Vivado board support package (Xilinx)
BSQ Apple II BINSCII-encoded (Apple Inc.)
BSQ ArcView Image File (ESRI)
BSQ BCDown Download
BSQ Oracle Control File
BSR JX3 Online or Public Bank Berhad software Game resource or Report
BST BibTeX bibliography style (Oren Patashnik)
BST Star Trek: Birth of the Federation structure or ship data (Micro Prose)
BST Sublime data (Sublime)
BSU Brindys BriTray
BSV BASIC Bsave Graphics
BSW Office Business Scorecard Manager Workspace File (Microsoft Corporation)
BSY FTN Soft Busy Flag
BSY VTrain (Vocabulary Trainer) Learning Cardfile (Paul Raedle)
BSZ BSplayer Compressed Skin File (BST2K Networks)
BS_ Bookshelf Find Menu Shell Extension (Microsoft Corporation)
BT BluffTitler gallery show file (Outerspace Software)
BT BTwin project pata (Kinomap)
BT VTBuilder binary terrain (VTP)
BT3 Control Runner Button Configuration File (MomSoft)
BTAB Base Guitar Tabulature
BTC Becker Tools Compressed Archive
BTD Business-in-a-Box document (BizTree)
BTD busTRACE data input/output and network capture (busTRACE)
BTD Power To-Do List data (Dextronet)
BTF Baires Turf Configuration File (Zamaroht & Karel)
BTF Basi Office TypeFace Document (Basi Computers)
BTF Brother Scanner File
BTG FlightGear Scenery File (The FlightGear Crew)
BTH Bathy Recorder Data File (Jeppesen Marine, Inc.)
BTL American Civil War File (Interactive Magic)
BTL BEATO Lite Single Assessment Data (Unisys)
BTL Inmos BooTabLe File
BTL INPRISE Format Language Library (Borland Software Corporation)
BTL Pokémon NetBattle Battle Replay File (Smogon)
BTM 4DOS Batch To Memory Batch File
BTN buttonFile File (ButtonWare Inc.)
BTN JustButtons Animated Bitmap (Lincoln Beach Software)
BTO Baytex Organix! 2001 Language Kit
BTOA Binary-to-ASCII Format
BTOS BTOS Decryptor, BestCrypt Encrypted Photo Backup
BTPC BTPC Encoded Bitmap (John Robinson)
BTR AviSys butterflies database (Jerry Blinn)
BTR Btrieve database (Pervasive Software)
BTR FrontPage binary-tree index (Microsoft)
BTR WMI repository index (Microsoft)
BTREE Mac OS HFS+ B-tree File (Apple Inc.)
BTS Creative Digital Blaster Digital VCR File
BTT ICQ Find Users File (ICQ Inc.)
BTU BEATO Unite Multiple Assessment Data (Unisys)
BTW BarTender barcode label (Seagull Scientific)
BTW Steuer 2001 data (Steuer 2001 Developers)
BTX BibTeX Document
BTX DB/TextWorks Database Term and Word Indexes (Inmagic, Inc.)
BTX SEEDIS Index
BTY Railroad Tycoon 3 Building (PopTop Software Inc.)
BU Pegasus Mail temporary data (David Harris)
BU Smart Viewer surveillance video (Samsung)
BUB Ipix Spherical Panorama
BUB norton cleansweep backup opens my backed up files (Norton)
BUB Photobubble File
BUC Photoshop Elements Backup File (Adobe Systems Incorporated)
BUD Quicken Backup (Intuit Inc.)
BUF WinXL File
BUFFER Apple II operating system Golden Orchard Apple II CD Rom file
BUFR Binary Universal Form for the Representation
BUFR Meteorological Data
BUG Bug (Problem) File
BUGS Generally Bugs File
BUILD Apple II operating system Golden Orchard Apple II CD Rom file
BUILD-ID GNU Binutils Build identification
BUL Capella Report Card Data File (Castor & Pollux Software Inc.)
BUL Holiday Lights Screen Saver Bulb File
BUL JSim I4 Bullseye Data Format (University of Washington)
BUM Poser Bump
BUN Cakewalk Audio Bundle File (Cakewalk)
BUN Monkey Island 3
BUNDLE Burnout Paradise asset file (Electronic Arts)
BUNDLE Burnout Paradise game effects file (Electronic Arts)
BUNDLE iMovie loadable bundle (Apple)
BUNDLE Linux installation package file (Linux)
BUNDLE mac OS package file for extra features (Apple)
BUNDLE macOS loadable bundle (Apple)
BUNDLE Unity Pro assets file (Unity)
BUNDLE VMware Workstation Player installation package (VMware)
BUNDLES Unity3D Unity Game Data
BUP CD Indexer data backup file (Srushti's Lab, India.)
BUP Final Cut Studio data backup file (Apple, Inc)
BUP Nero data backup file (Nero AG and Subsidiaries)
BUP PowerDVD data backup file (CyberLink Corp)
BUP Softcode Tracker Contact Manager Backup
BUS Netmino File
BUSAN201 various, depending on actual file type (e.g., archive managers, audio players, PDF readers, image viewers) Varied file types
BUSSIDMOD TestFlight iOS diagnostic data
BUSY BusyBox Temporary lock file
BUSYBOX BusyBox Embedded Linux executable
BUT Buttons! Button Definition
BUY Movie Data File
BV1 WordPerfect Overflow File (Corel Corporation)
BV2 WordPerfect Overflow File (Corel Corporation)
BV3 WordPerfect Overflow File (Corel Corporation)
BV4 WordPerfect Overflow File (Corel Corporation)
BV5 WordPerfect Overflow File (Corel Corporation)
BV6 WordPerfect Overflow File (Corel Corporation)
BV7 WordPerfect Overflow File (Corel Corporation)
BV8 WordPerfect Overflow File (Corel Corporation)
BV9 WordPerfect Overflow File (Corel Corporation)
BVC IBM Voice Type Language Newuser File
BVD BitDefender Vault File (BitDefender)
BVD BvD Fileset
BVF BIM Vision BIM Collaboration
BVH 3DS Max 3D character motion capture (Autodesk)
BVH Blender 3D character motion capture (Blender)
BVH Maya 3D character motion capture (Autodesk)
BVI IBM Voice Type Language Newuser File
BVL Micrografx Picture Publisher 8 Textures File
BVR Blue Iris surveillance video (Blue Iris)
BVS BVS Solitaire Collection
BW FFmpeg black and white bitmap image (FFmpeg Team)
BW Genome Browser dataset (UCSC)
BW ImageMagick black and white bitmap image (ImageMagick)
BW SQLite data (SQLite)
BW1 Byteworx FMEA² FMEA Database (Byteworx Inc.)
BWA BlindWrite BWA Builder Physical CD Characteristics File (VSO-Software)
BWB Visual Baler Spreadsheet File
BWC BeadWizard Color Palette (Black Hills Software)
BWD Rally Online Car Description File (GameSpy Industries)
BWE Black and White 2 Environment Data (Lionhead Studios)
BWF Audition audio recording (Adobe)
BWF Pro Tools audio recording (Avid)
BWG BrainWave Generator Binaural Beat File (Noromaa Solutions)
BWI BlindWrite Ver. 4 Image File (VSO-Software)
BWM Blaise File (Statistics Netherlands)
BWP BeadWizard Pattern (Black Hills Software)
BWP Book Writer Project
BWR Kermit Beware Bug List
BWS BlindWrite Ver. 4 Subchannel Data File (VSO-Software)
BWS Enot External Photo Viewer Settings (Acritum Software)
BWT BlindWrite Ver. 4 Table of Contents File (VSO-Software)
BWT CDmage Table of Contents
BWU BlindWrite (VSO-Software)
BWV Business Wave File
BWW Bagpipe Notation
BWW Blaise File (Statistics Netherlands)
BWZ WinImage Batch Configuration File
BXA0 Bandicam Screen Recorder Encrypted video fragments
BXB BasicX Compiled Project Bytecode (NetMedia, Inc.)
BXD Broken Cross Disk Manager Database (Kevin Fucik)
BXF Man's Best Friend Software Breeder Exchange Format
BXF2 DYNAPLAN Cabinet Design File
BXI Blaise File (Statistics Netherlands)
BXL Free Reader 2D/3D CAD data (Ultra Librarian)
BXM BX-24 Basic Express Compiler Map
BXP BootXP File
BXP BX-24 Basic Express Compiler Module List
BXRC Bochs Configuration File (The Bochs Project)
BXU PictureGear Studio File (Sony Electronics Inc.)
BXX blaxxun Contact
BXY ShrinkIt Apple II Compressed Archive
BY Spice Pspice File
BYO CartoExploreur Cartographic Map (Bayo)
BYS Brother Embroidery Software Embroidery Design Files
BYTECODE Java Virtual Machine, Python Interpreter Compiled Code Execution
BYTES Unity game engine, various games, malware analysis tools Binary data storage
BYU Movie File
BZ 7-Zip Bzip compressed file (Igor Pavlov)
BZ BZip2 Bzip compressed file (BZip2)
BZ PeaZip Bzip compressed file (PeaZip)
BZ The Unarchiver Bzip compressed file (The Unarchiver)
BZ WinRAR Bzip compressed file (WinRar)
BZ WinZip Bzip compressed file (Corel)
BZ1 WinTOTAL Automatic Backup (a la mode, inc.)
BZ2 Bzip 2 Bzip compressed file (BZip2)
BZ2 PeaZip Bzip compressed file (PeaZip)
BZ2 RAR Bzip compressed file (WinRar)
BZ2 The Unarchiver Bzip compressed file (The Unarchiver)
BZ2 ZPoc Christian Music Networks user data file (ZPoc)
BZA BZA Compressed Archive
BZABW AbiWord (The AbiSource Community)
BZF Textures and Other Information
BZIP bzip2 compressed archive file (Julian Seward)
BZIP StuffIt compressed archive file (Smith Micro)
BZIP WinRAR compressed archive file (RARLAB)
BZIP WinZip compressed archive file (Corel)
BZIP2 bzip2 compressed archive file (Julian Seward)
BZIP2 StuffIt compressed archive file (Smith Micro)
BZIP2 WinRAR compressed archive file (RARLAB)
BZIP2 WinZip compressed archive file (Corel)
BZM BusinessMAP Map File (ESRI)
BZN Star Trek Armada Map File
BZW BZFlag Map (BZFlag Project Team)
BZZ BZZAgent Compressed Marketing Archive
B_T Eru/erd File
B_W 1st Reader Mono Binary Screen Image
B_W Atari/Macintosh Black and White Graphic
B_W Image Lab
B~K Backup

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