B File Extensions
Browse file types with extensions beginning with B.
| Extension | File Type | Popularity |
|---|---|---|
| .B | BASIC Source File | 4.0 |
| .B | Grand Theft Auto 3 Saved Game File | 4.3 |
| .B | BuRg3r Definition File | 4.2 |
| .B | Brainf*ck Source Code File | 3.8 |
| .B00 | BlindWrite CD Data Segment File | 3.0 |
| .B01 | BlindWrite CD Data Segment File | 3.7 |
| .B02 | BlindWrite CD Data Segment File | 1.0 |
| .B1 | B1 Compressed Archive | 3.9 |
| .B2A | Btoa Encoded File | 3.5 |
| .B3D | Blitz3D Entity Model File | 3.8 |
| .B4S | Winamp Playlist File | 3.6 |
| .B5I | BlindWrite 5 Disk Image | 3.3 |
| .B5T | BlindWrite 5 Disc Track Information File | 2.6 |
| .B64 | Base64 MIME-Encoded File | 3.0 |
| .B6I | BlindWrite 6 Disc Image | 2.9 |
| .B6T | BlindWrite 6 Track Information File | 2.8 |
| .B6Z | B6Z Archive | 4.4 |
| .B83 | TI-83 Premium CE Bundle Image | 1.7 |
| .B84 | TI-84 Plus CE Bundle Image | 2.7 |
| .BA | Scifer External Header Archive | 2.8 |
| .BA | Baba Is You Saved Game File | 1.5 |
| .BA0 | TaxAct 2020 1040 Tax Return Backup File | 3.5 |
| .BA1 | TaxAct 2021 1040 Tax Return Backup | 2.0 |
| .BA2 | Bethesda Softworks Archive | 3.7 |
| .BA6 | TaxAct 2016 Tax Return Backup File | 3.7 |
| .BA7 | TaxAct 2017 Tax Return Backup File | 3.7 |
| .BA8 | TaxAct 2018 Tax Return Backup File | 3.7 |
| .BA9 | TaxAct 2019 Tax Return Backup File | 4.0 |
| .BABYLON | Babylon.js Scene | 3.5 |
| .BAC | Backup File | 3.5 |
| .BACKUP | Android Backup | 3.6 |
| .BACKUP | Garmin BaseCamp Backup | 2.0 |
| .BACKUP.METADATA | Seedvault Backup Metadata File | 3.6 |
| .BACKUP1 | Split Android Backup File | 4.0 |
| .BACKUPDB | Time Machine Backup Folder | 3.8 |
| .BACKUPINFO | AromaBackup Metadata | 3.0 |
| .BACPAC | Compressed Microsoft SQL Database | 3.0 |
| .BAD | Exchange Badmail File | 3.3 |
| .BAFL | BurnAware File List | 2.5 |
| .BAGST | Binary Audio Group Settings Table | 1.0 |
| .BAK | Backup File | 3.8 |
| .BAK | Chromium Bookmarks Backup | 3.9 |
| .BAK | Act! Database Backup | 3.4 |
| .BAK | Finale 2012 Score Backup | 3.4 |
| .BAK | MobileTrans Backup | 3.4 |
| .BAK | Terraria World or Player Backup | 3.1 |
| .BAK | Microsoft SQL Server Database Backup | 3.3 |
| .BAK | VEGAS Video Project Backup | 3.6 |
| .BAK | Holo Launcher Backup | 1.3 |
| .BAK | Taskbar Settings Backup | 1.0 |
| .BAK | AutoCAD Drawing Backup | 4.7 |
| .BAK1 | Starbound Backup File | 3.0 |
| .BAK2 | Backup File | 4.1 |
| .BAK2 | Starbound Backup File | 4.0 |
| .BAK3 | Backup File | 3.6 |
| .BAK3 | Starbound Backup File | 3.5 |
| .BAKX | Finale 2014 Score Backup | 3.7 |
| .BAK~ | AbiWord Auto-Saved Document | 3.7 |
| .BAMTA | Binary Audio Metadata | 1.0 |
| .BAND | GarageBand Project | 4.0 |
| .BANK | FMOD Audio Bank | 2.6 |
| .BAP | Blaze Audio Wave Information File | 2.5 |
| .BAR | Age of Empires 3 Data File | 3.9 |
| .BAR | Age of Mythology Data File | 3.3 |
| .BAR | Brew MP Binary Application Resource | 3.0 |
| .BAR | XnViewMP Custom Toolbars | 3.5 |
| .BARS | Binary Audio Resource Archive | 2.7 |
| .BARSLIST | Binary Audio Resource List | 1.0 |
| .BAS | BASIC Source Code File | 3.7 |
| .BASERPROJ | DNA Baser Project File | 1.5 |
| .BASEX | BaseX Data File | 4.0 |
| .BASHRC | Bash Non-Interactive Login Shell File | 3.8 |
| .BASH_HISTORY | Bash History File | 4.0 |
| .BASH_PROFILE | Bash Interactive Login Shell File | 3.7 |
| .BASILISK_II_PREFS | Basilisk II Settings | 2.3 |
| .BAT | DOS Batch File | 4.1 |
| .BATTLECARD | Plants vs. Bloons Battlecard | 3.0 |
| .BAU | Apache OpenOffice AutoText File | 3.4 |
| .BAV | AVG AntiVirus The Bat! Plugin File | 4.2 |
| .BAY | Casio RAW Image | 3.8 |
| .BA_ | Renamed BAT File | 4.0 |
| .BB | Blitz Source Code File | 3.4 |
| .BB3 | BlasterBall 3 Level File Support | 3.3 |
| .BBB | BlackBerry Mobile Phone Backup File | 3.0 |
| .BBC | BBC BASIC Data File | 4.3 |
| .BBCD | BobCAD-CAM Document | 3.7 |
| .BBCDX | BobCAD-CAM Document | 2.0 |
| .BBDOC | Buildbox Document | 3.8 |
| .BBFW | Apple Baseband Firmware Update | 1.5 |
| .BBKEYMAP | Blockbench Keymap | 3.5 |
| .BBL | BibTeX Generated Bibliography File | 4.1 |
| .BBLM | BBEdit Language Module | 3.7 |
| .BBMODEL | Blockbench 3D Model | 4.6 |
| .BBPROJECT | BBEdit Project File | 3.0 |
| .BBPROJECTD | BBEdit Project Document | 2.7 |
| .BBS | Bulletin Board System Text | 2.2 |
| .BBSCENE | Blockbench 3D Scene | 2.0 |
| .BBSETTINGS | Blockbench Settings | 2.0 |
| .BBTHEME | Blockbench Theme | 2.0 |
| .BBZ | BerryBuzz Backup File | 2.6 |
| .BC | BitComet Partially Downloaded File | 3.8 |
| .BC | Adobe Bridge Cache File | 3.9 |
| .BC | OpenTerrainGenerator Biome Configuration | 3.5 |
| .BC! | BitComet Incomplete File | 3.7 |
| .BC3 | FIEBDC-3 Database File | 2.2 |
| .BC5B | BC5B Ransomware Encrypted File | 2.0 |
| .BCA | BCArchive Encrypted Archive | 3.7 |
| .BCBK | Book Catalogue Data Backup | 4.3 |
| .BCC | Calendar Creator File | 2.5 |
| .BCD | RealView Debugger Board Chip Definition File | 3.2 |
| .BCD | Windows Boot Configuration Data File | 3.3 |
| .BCD | Super Mario Maker 2 Course Data | 1.3 |
| .BCF | Business Card Designer Pro File | 3.7 |
| .BCI | Belarc Advisor Report File | 3.5 |
| .BCK | VMX Backup File | 3.5 |
| .BCKP | Ad-Aware Quarantined File | 3.2 |
| .BCL | Illumina Base Call File | 3.0 |
| .BCLAN | 3DS Binary CTR Layout Animation | 1.0 |
| .BCLARA | Binary Clara Game Data File | 1.5 |
| .BCLIM | Nintendo 3DS Sprite | 2.0 |
| .BCM | Microsoft Works Communications Script Backup | 3.5 |
| .BCM | Business Contact Manager File | 3.6 |
| .BCM | Adobe Bridge Cache File | 3.6 |
| .BCM | Free Pascal Character Set Unit File | 2.0 |
| .BCM | BONEWORKS Custom Map | 2.0 |
| .BCMDL | Binary CTR 3D Model | 3.0 |
| .BCMX | Business Contact Manager Customization | 3.6 |
| .BCP | Borland C++ Makefile | 3.0 |
| .BCP | Business Card Designer Plus File | 3.0 |
| .BCP | BlackMagic Custom Palette | 4.0 |
| .BCP | Batch Compiler Preset File | 2.0 |
| .BCP | Mario Kart Wii Binary Camera Parameter | 1.0 |
| .BCRES | Nintendo 3DS Game Model | 2.7 |
| .BCS | Boland Calibration Settings File | 1.0 |
| .BCS | Batch Compiler Specification File | 3.5 |
| .BCS | Sonic Foundry Batch Converter Script | 3.7 |
| .BCSAR | 3DS BCSAR Audio Archive | 2.7 |
| .BCSTM | BCSTM Audio Stream | 3.0 |
| .BCSV | Binary CSV | 3.7 |
| .BCT | Adobe Bridge Thumbnail Cache File | 2.0 |
| .BCUP | Buttercup Vault | 4.0 |
| .BCWAV | BCWAV Audio | 2.0 |
| .BDAE | Gameloft Game Data File | 3.1 |
| .BDB | Microsoft Works Database Backup File | 4.1 |
| .BDC | Babylon Dictionary File | 4.3 |
| .BDC | West Point Bridge Designer Design File | 4.4 |
| .BDD | CARA Sound Radiation Data File | 3.5 |
| .BDF | Glyph Bitmap Distribution Format | 3.8 |
| .BDF | MIDAS BDF Disk Image File | 2.8 |
| .BDF | Binary Data File | 3.6 |
| .BDF | Bulk Data Input File | 3.3 |
| .BDF | BSDiff Patch File | 4.0 |
| .BDIC | Chrome Dictionary File | 3.9 |
| .BDL | CoCreate Bundle File | 3.7 |
| .BDM | AVCHD Information File | 3.1 |
| .BDMV | Blu-ray Disc Movie Information File | 3.3 |
| .BDO | Binding Data Object | 3.0 |
| .BDOB | Binary Binding Data Object | 4.0 |
| .BDOC | Binary DigiDoc Signature File | 2.4 |
| .BDOJ | JSON Binding Data Object | 3.0 |
| .BDP | Exchange Diagnostic Message | 3.3 |
| .BDR | Publisher Borders File | 2.0 |
| .BDR | Exchange Non-Delivery Report Body File | 3.5 |
| .BDSPROJ | Borland Developer Studio Project | 3.5 |
| .BDT2 | BEEDOCS Timeline 3D 2 Document | 3.5 |
| .BDT3 | BEEDOCS Timeline 3D 3 Document | 3.2 |
| .BEA | Bezel Engine Archive | 3.5 |
| .BEAM | Compiled Erlang File | 3.4 |
| .BEAN | Bean Rich Text Document | 3.3 |
| .BED | UCSC BED Annotation Track File | 4.1 |
| .BEJEWELED2DELUXESAVEDGAME | Bejeweled 2 Deluxe Saved Game | 3.4 |
| .BEMUSE | Bemuse Sound Data Chunk | 3.5 |
| .BEPIS | ULTRAKILL Saved Data | 4.8 |
| .BET | BETA Source File | 3.9 |
| .BF | CryoBF Game Data File | 3.6 |
| .BF | Ubisoft BigFile Game Data Archive | 2.7 |
| .BF | Brainf*ck Source Code File | 3.9 |
| .BF | Birdfont Project File | 3.2 |
| .BF | Beef Source Code File | 3.3 |
| .BFA | Blowfish Encrypted File | 4.0 |
| .BFARC | Binary Font Archive | 2.0 |
| .BFC | Windows Briefcase File | 3.8 |
| .BFE | Bcrypt Encrypted File | 2.7 |
| .BFF | Backup File Format | 4.0 |
| .BFFNT | Binary Switch Game Font | 2.3 |
| .BFG | Big Fish Games Application File | 3.8 |
| .BFI | Brute Force & Ignorance Video | 3.5 |
| .BFLY | Butterfly Note | 3.5 |
| .BFM | Terminal Reality Model File | 2.0 |
| .BFMA | Wii U Game Manual | 3.0 |
| .BFMDL | Wii U 3D Model | 2.0 |
| .BFRES | Wii U Model File | 4.3 |
| .BFS | FlatOut Game Data File | 4.4 |
| .BFSAR | BFSAR Sound Archive | 2.1 |
| .BFSTM | BFSTM Audio Stream | 2.6 |
| .BFSTP | Binary Cafe Stream Prefetch | 1.0 |
| .BFWAV | BFWAV Audio | 3.0 |
| .BFX | Bitware Fax Document | 3.9 |
| .BGI | BgInfo Configuration File | 3.8 |
| .BGL | Babylon Glossary File | 3.6 |
| .BGL | Flight Simulator Scenery File | 3.4 |
| .BGT | Graphics Accounts Data File | 4.0 |
| .BGZ | Blood Frontier Map File | 3.4 |
| .BH | BlakHole Archive | 3.6 |
| .BHO | Behold Organize File | 3.0 |
| .BHP | BonhommePendu Wordlist | 3.0 |
| .BHX | BinHex Encoded File | 4.6 |
| .BIB | BibTeX Bibliography Database | 3.6 |
| .BIB | Bibliography Document | 3.5 |
| .BIBTEX | BibTeX Bibliography Database | 3.3 |
| .BIC | Civilization 3 Scenario File | 3.5 |
| .BIC | Neverwinter Nights Character File | 4.0 |
| .BICEP | Bicep Azure Resource Deployment File | 2.0 |
| .BIDULE | Bidule Layout File | 3.5 |
| .BIF | Boot Information File | 3.8 |
| .BIF | Get Backup Project File | 3.9 |
| .BIF | BioWare Infinity Engine File | 3.8 |
| .BIF | Ventana Whole Slide Image | 4.0 |
| .BIF | Bifrost Mesh Cache | 3.7 |
| .BIFX | Get Backup Project | 3.6 |
| .BIG | Electronic Arts Game Data File | 4.1 |
| .BIK | Bink Video File | 3.9 |
| .BIK | Video Game Movie File | 3.7 |
| .BIK2 | Bink Video 2 File | 3.5 |
| .BIL | ESRI BIL File | 3.0 |
| .BIM | Bytessence InstallMaker Document | 2.7 |
| .BIMX | BIM Explorer File | 3.2 |
| .BIN | MacBinary Encoded File | 3.8 |
| .BIN | Generic Binary File | 4.0 |
| .BIN | Sega Genesis Game ROM | 4.1 |
| .BIN | Unix Executable File | 4.0 |
| .BIN | Binary Disc Image | 3.8 |
| .BIN | Nintendo DS Binary File | 3.8 |
| .BIN | Atari 2600 Game ROM | 3.7 |
| .BIN | PSX PlayStation BIOS Image | 3.9 |
| .BIN | BlackBerry IT Policy File | 3.7 |
| .BIN | Router Firmware File | 3.8 |
| .BIN | Nintendo Wii Data File | 3.6 |
| .BIN | GOG.com Game Data File | 2.7 |
| .BINARY | PC Building Simulator Save File | 3.1 |
| .BINARYCOOKIES | Safari Cookies File | 4.1 |
| .BINGO | Bingo Project | 3.0 |
| .BINKA | Bink Audio | 3.1 |
| .BIO | BIOS File | 3.5 |
| .BIO | Mudbox Bio 3D File | 3.1 |
| .BIO | Fallout 2 Character Biography File | 3.0 |
| .BIONIX | BioniX Wallpaper Playlist File | 3.0 |
| .BIP | Character Studio Biped File | 4.0 |
| .BIP | Dharma Ransomware Encrypted File | 3.0 |
| .BIP | KeyShot 3D File | 3.0 |
| .BIQ | Civilization III: Conquests Scenario | 4.1 |
| .BIRDS | Bird Script Source Code File | 3.4 |
| .BIT | Xilinx Bitstream File | 3.1 |
| .BIT | FinalCrypt Encrypted Data File | 3.7 |
| .BIT | MP3 Audio File | 2.2 |
| .BITPIM | BitPim Configuration File | 3.0 |
| .BITSBOARD | Zip-Compressed Bitsboard Board | 1.8 |
| .BIX | Civilization 3 Scenario File | 3.0 |
| .BIX | Kodicom Video File | 2.5 |
| .BIZ | Broderbund Business Card File | 2.5 |
| .BJO | TabRite Tablature File | 3.0 |
| .BK | FrameMaker Book File | 3.2 |
| .BK | Smart Switch Backup | 3.1 |
| .BK! | WordPerfect Document Backup | 2.0 |
| .BK1 | ERwin Backup File | 2.5 |
| .BK1 | Autodesk Backup File | 2.6 |
| .BK1 | Windows Indexing Service File | 2.6 |
| .BK2 | Windows Indexing Service Data File | 2.9 |
| .BK2 | Bink Video 2 File | 3.5 |
| .BKC | Backup4all Backup Catalog | 3.3 |
| .BKF | Windows Backup Utility File | 3.6 |
| .BKK | BookBuddi eBook | 1.5 |
| .BKMK | Yummy FTP Bookmark File | 3.0 |
| .BKP | Backup File | 3.5 |
| .BKP | Zapback Backup File | 3.3 |
| .BKP | Backup Your Mobile Backup Data | 3.0 |
| .BKS | Microsoft Works Spreadsheet Backup File | 3.5 |
| .BKS | NTBackup Settings File | 3.6 |
| .BKUP | Backup File | 3.8 |
| .BKY | MIT App Inventor Blocks XML File | 3.8 |
| .BKZ | BaKoMa TeX Installation Module | 3.7 |
| .BKZ | FileFort Backup File | 4.3 |
| .BL | Blue Source Code File | 4.6 |
| .BLACKHAWKSTRIKER2 | Blackhawk Striker 2 Saved Game | 3.0 |
| .BLAL | Binary Loop Asset List | 1.0 |
| .BLASTERBALL3SAVEDGAME | BlasterBall 3 Saved Game | 2.8 |
| .BLB | Blob Data File | 2.0 |
| .BLB | Dreamworks Resource File | 4.0 |
| .BLB | Interactive Fiction Package Game File | 3.2 |
| .BLD | Envisioneer Building Project File | 4.2 |
| .BLD | Skyscraper Simulator Building Script | 3.6 |
| .BLD | Baldi’s Basics Plus Level Editor Level Project | 3.5 |
| .BLEND | Blender 3D Data File | 4.3 |
| .BLEND1 | Blender Document Backup File | 4.2 |
| .BLEND2 | Blender Document Backup 2 File | 3.9 |
| .BLF | CLFS Base Log File | 3.3 |
| .BLF | MasterWorks Working File | 2.4 |
| .BLF | Binary Logging Format File | 2.3 |
| .BLG | Windows Binary Performance Log File | 3.7 |
| .BLG | BibTeX Log File | 3.8 |
| .BLI | Thomson Speedtouch Firmware File | 2.6 |
| .BLIBCLARA | Binary Clara Library | 3.0 |
| .BLK | AutoCAD Block Template File | 3.8 |
| .BLK | ABBYY FineReader Area Template | 3.7 |
| .BLK | BLK360 Data File | 3.8 |
| .BLKRT | Block Artist Image File | 2.3 |
| .BLN | Golden Software Blanking File | 2.0 |
| .BLOB | Valve Steam Archive | 4.0 |
| .BLOCKPLT | LEGO MINDSTORMS NXT Block Palette File | 3.0 |
| .BLOCKS | MakeCode Project Blocks Description | 3.0 |
| .BLOCKX | Blockx Project | 1.5 |
| .BLOGTHIS | Windows Live Writer Data File | 2.6 |
| .BLOON | Bloons Tower Defense Bloon | 4.0 |
| .BLOONSET | Bloons Tower Defense Battles Bloonset | 3.0 |
| .BLORB | Interactive Fiction Package Game File | 2.3 |
| .BLOW5 | SLOW5 Binary Data | 1.0 |
| .BLOWER | Blower Ransomware Encrypted File | 4.2 |
| .BLOXDSCHEM | Bloxd.io Schematic File | 4.3 |
| .BLP | Blizzard Texture File | 3.8 |
| .BLP | Speedy Eggbert Game Data File | 2.4 |
| .BLS | Blockland Saved Game File | 3.5 |
| .BLT | AIM Buddy List | 1.7 |
| .BLU | FileMaker Pro Runtime Extension | 4.1 |
| .BLUEBUTTON | VA Blue Button Data File | 3.0 |
| .BLUEJ | BlueJ Package File | 3.8 |
| .BLW | Adobe Photoshop Black and White Presets File | 3.6 |
| .BLZ | Compressed Bitmap Image | 3.7 |
| .BLZ | N-Gage Mobile Video Game File | 3.6 |
| .BLZ | TeamViewer Blizz Session File | 2.7 |
| .BM | Dawn of Magic Archive | 2.5 |
| .BM2 | Subspace Bitmap File | 3.0 |
| .BM2 | Boardmaker Interactive Board File | 4.0 |
| .BM3 | Sony Ericsson Backup File | 3.3 |
| .BMA | TheEngine 3D Model | 3.0 |
| .BMC | Embroidery Image File | 2.3 |
| .BMC | Bitmap Cache File | 3.2 |
| .BMC | Bolide Movie Creator Project File | 3.2 |
| .BMD | GameCube 3D Model File | 3.9 |
| .BMD | MU Online Game Data File | 4.0 |
| .BME | BeatMania 7-Key Song File | 3.0 |
| .BMF | Binary Material File | 2.0 |
| .BMF | FloorPlan File | 3.6 |
| .BMFC | Bitmap Font Configuration | 3.5 |
| .BMG | Nintendo Message File | 4.1 |
| .BMI | 3ds Max Plug-in | 3.5 |
| .BMK | Windows Help Bookmarks | 2.8 |
| .BMK | PowerDVD MovieMark File | 2.6 |
| .BMK | Nokia Device Bookmark File | 2.2 |
| .BMK | BillMinder Backup File | 3.6 |
| .BML | Bean Markup Language File | 4.1 |
| .BML | Braille 2000 Braille File | 3.0 |
| .BMML | Braille Music Markup Language File | 3.1 |
| .BMML | Balsamiq Mockups Markup Language File | 3.6 |
| .BMP | Bitmap Image | 3.9 |
| .BMPR | Balsamiq Mockups Project | 2.0 |
| .BMQ | Re-Volt Mipmap File | 3.6 |
| .BMS | Be-Music Source File | 3.1 |
| .BMS | BIOWRAP Multi-Layer Security File | 2.0 |
| .BMS | QuickBMS Script | 4.1 |
| .BMS | TheEngine 3D Model | 2.5 |
| .BMSON | Be-Music Source JSON Song File | 3.5 |
| .BMTP | Bome MIDI Translator Project | 2.0 |
| .BMV | Teeny Weeny Games Video File | 1.5 |
| .BMX | Siemens Mobile Animations File | 3.3 |
| .BMZ | Portal Bonus Map Zip File | 4.2 |
| .BMZ | Compressed Bitmap Image | 3.5 |
| .BNA | Barna Word Processor Document | 3.0 |
| .BND | DB2 CLI Bind File | 4.1 |
| .BNDL | Game Data Bundle File | 4.0 |
| .BNFM | Wii U 3D Model | 3.3 |
| .BNG | The Bingo Maker Card File | 3.0 |
| .BNK | Test Drive Unlimited Data Package | 2.4 |
| .BNK | Spotify Playlist File | 2.9 |
| .BNK | Adlib Instrument Bank | 3.5 |
| .BNK | ExamView Question Bank File | 2.0 |
| .BNK | NN Binary Chunk | 1.0 |
| .BNK | Wwise Soundbank | 3.5 |
| .BNL | Talking Reading Pen Audio File | 3.5 |
| .BNP | Sony Camcorder Video Data File | 3.5 |
| .BNR | Nintendo Wii and GameCube Banner File | 3.6 |
| .BNS | Portal Bonus Map Script | 4.5 |
| .BNS | Compiled Rabbit Network Script | 1.0 |
| .BNVIB | Binary NX Vibration File | 3.3 |
| .BNZ | The Bingo Maker Card Template File | 2.7 |
| .BO1 | Odyemu Overlay Image | 1.0 |
| .BO2 | Minecraft BO2 Object File | 4.2 |
| .BO3 | Minecraft BO3 Object | 3.0 |
| .BO4 | OpenTerrainGenerator Custom Structure | 3.0 |
| .BO4DATA | OpenTerrainGenerator Binary Custom Structure | 2.0 |
| .BOC | EasyWord Big Document | 3.0 |
| .BOK | TestGen Testbank File | 4.1 |
| .BOK | ProStores Dynamic Webpage | 3.6 |
| .BOM | Mac OS X Bill of Materials File | 2.8 |
| .BONK | Bonk Audio File | 3.7 |
| .BONS | Bones Project | 1.0 |
| .BOO | Booasm Compressed Archive | 2.1 |
| .BOOK | FrameMaker Book File | 3.2 |
| .BOOK | Budget In Brief Book File | 3.2 |
| .BOOK | iBooks Author Document | 3.1 |
| .BOOK | BookSmart Book File | 3.2 |
| .BOOKEXPORT | BookSmart Backup Book File | 3.7 |
| .BOOKTEMPLATE | iBooks Author Document Template | 2.0 |
| .BOOKTEMPLATE | BookSmart Template | 2.0 |
| .BOOKWORMDELUXESAVEDGAME | Bookworm Deluxe Saved Game | 3.0 |
| .BOOT | InstallShield Boot File | 4.0 |
| .BOOTSKIN | Stardock Bootskin File | 3.3 |
| .BOS | Build Options Specification File | 3.2 |
| .BOX | E-mail Mailbox | 3.5 |
| .BOX | Kodicom Audio FIle | 2.9 |
| .BOX | CARA Loudspeaker Design File | 3.5 |
| .BOX | Microsoft Store Download File | 3.3 |
| .BOX | Painter Custom Toolbox File | 3.0 |
| .BP | Boomplay Music File | 4.1 |
| .BP | Spaceflight Simulator Blueprint | 4.2 |
| .BP2 | AutoCAD Batch Plot File | 3.0 |
| .BP3 | AutoCAD Batch Plot File | 4.1 |
| .BPA | StorageSync Backup Archive | 3.8 |
| .BPB | PowerDesigner Business Process Backup File | 2.9 |
| .BPD | Business Plan Pro Document | 3.4 |
| .BPD | Binary Printer Description File | 3.6 |
| .BPDX | Acrobat Batch PDX File | 3.0 |
| .BPDX | Business Plan Pro Document | 4.0 |
| .BPF | Baan ERP Document | 2.0 |
| .BPG | Borland Project Group | 2.2 |
| .BPG | Better Portable Graphics Image | 4.1 |
| .BPHYS | Blender Cache File | 3.4 |
| .BPJ | Boxsim Simulation Project | 3.5 |
| .BPK | Nero SecurDisc Public Key File | 4.2 |
| .BPK | BlueStacks App Migration Backup | 2.0 |
| .BPL | AutoCAD Batch Plot File | 1.8 |
| .BPL | Borland Package Library | 3.8 |
| .BPL | Bore Plan Log | 4.1 |
| .BPLIST | BeatSaber Playlist | 3.8 |
| .BPLX | Bore Plan XML File | 3.2 |
| .BPM | PowerDesigner Business Process Model | 3.4 |
| .BPM | Trados AutoSuggest Dictionary File | 3.6 |
| .BPM | Bizagi Process Modeler | 3.3 |
| .BPMC | Bizagi Process Modeler Collaboration | 3.0 |
| .BPMN | Business Process Model and Notation | 4.3 |
| .BPN | Archicad Project Backup File | 3.5 |
| .BPNUEB | PNU eBook File | 2.0 |
| .BPR | Borland C++Builder Project File | 4.2 |
| .BPS | Works Document Backup | 3.8 |
| .BPS | BPS Virus File | 3.5 |
| .BPS | BPS Patch File | 3.8 |
| .BPW | Bitmap World File | 2.4 |
| .BPW | Bitser Password File | 3.6 |
| .BPZ | Easy Blue Print Symbol Library | 1.8 |
| .BQY | Brio Query File | 3.4 |
| .BR | Brotli Compressed File | 3.3 |
| .BR3 | Bryce 3 Scene File | 2.8 |
| .BR4 | Bryce 4 Scene File | 3.5 |
| .BR5 | Bryce 5 Scene File | 2.9 |
| .BR6 | Bryce 6 Scene File | 3.3 |
| .BR7 | Bryce 7 Scene File | 4.3 |
| .BRAIN | PersonalBrain Mind Map File | 3.6 |
| .BRANCH | Branch Project | 1.0 |
| .BRAW | Blackmagic RAW Video | 3.1 |
| .BRCTR | Binary Revolution Control File | 2.5 |
| .BRD | EAGLE Circuit Board | 3.6 |
| .BRD | Cadence Allegro PCB Design | 2.9 |
| .BRD | KiCad PCB Design File (Legacy) | 3.2 |
| .BREFF | Wii Effect Controls File | 3.7 |
| .BREFT | Wii Effects File | 1.8 |
| .BREP | BRep 3D Model File | 3.0 |
| .BRF | X-Wing Mission Briefing | 3.0 |
| .BRF | Braille Ready Format File | 3.8 |
| .BRF | Mount & Blade Game Data Archive | 3.5 |
| .BRFNA | Nintendo Wii Font File | 2.2 |
| .BRFNT | Wii Game Font File | 4.6 |
| .BRG | ProjectWise User Settings File | 2.5 |
| .BRG | Age of Mythology Model File | 3.3 |
| .BRI | Bryce Plug-in File | 2.0 |
| .BRIDGECACHE | Adobe Bridge Cache Export File | 3.0 |
| .BRK | Brooktrout Fax Document | 1.8 |
| .BRK | Brick Hill Brick File | 4.1 |
| .BRK | Draw Bricks Structure | 3.2 |
| .BRL | MicroBraille File | 3.6 |
| .BRLAN | Binary Revolution Layout Animation | 3.0 |
| .BRLYT | Binary Revolution Layout | 2.8 |
| .BRM | Bryce Plug-in File | 3.4 |
| .BRMDL | Wii BRMDL Model File | 2.0 |
| .BRN | BrainStorm Data File | 3.4 |
| .BRN | Cube Graphics File | 2.0 |
| .BRN | Gabriel Knight Barn File | 1.0 |
| .BRO | CreataCard Brochure Project | 2.5 |
| .BRO | Broadleaf Tree Model | 3.8 |
| .BRO | Bryce Plug-in | 2.5 |
| .BRO | Design & Print Page Design File | 3.0 |
| .BROWSER | ASP.NET Browser Definition File | 3.5 |
| .BRR | SNES Sample File | 2.9 |
| .BRRES | Wii BRRES Resource Package | 3.6 |
| .BRS | RoboHelp Browse Sequence File | 3.5 |
| .BRSAR | Wii BRSAR Audio Archive | 3.5 |
| .BRSEQ | Binary Revolution Sequence Format File | 3.0 |
| .BRSTM | BRSTM Audio Stream | 3.6 |
| .BRSTMSPM | Super Paper Mario BRSTM Audio Stream | 4.0 |
| .BRT | Bryce Textures File | 1.5 |
| .BRTEX | Wii BRTEX Texture File | 2.0 |
| .BRUH | BRUHIFF Image | 4.5 |
| .BRUSH | Xerox Doodle Image | 1.0 |
| .BRUSH | Procreate Brush | 3.6 |
| .BRUSHCATEGORY | Painter Brush Category | 2.0 |
| .BRUSHLIBRARY | Painter Brush Library | 2.7 |
| .BRUSHSET | Procreate Brush Set | 4.5 |
| .BRUSHVARIANT | Painter Brush Variant | 3.7 |
| .BRV | Brick Rigs Vehicle File | 3.9 |
| .BRW | Calyx Point Borrower File | 3.0 |
| .BRX | BREW Application Resource File | 2.8 |
| .BRX | Beam Report Document | 2.0 |
| .BS | Printfox Bitmap Image | 2.8 |
| .BS | Baldur's Gate Player Character Script | 2.0 |
| .BS1 | VirtualBus Vehicle Configuration File | 3.0 |
| .BS2 | BASIC Stamp 2 Code File | 3.0 |
| .BS4 | Mikogo Session Video Recording | 2.7 |
| .BS7 | Windows 7 Boot Updater Skin | 4.2 |
| .BSA | Bethesda Softworks Archive | 4.0 |
| .BSB | BioShock Saved Game File | 3.9 |
| .BSC | Visual Studio Source Browser Information File | 3.2 |
| .BSD | BSDL File | 3.0 |
| .BSDESIGN | Bootstrap Studio Website Design | 3.5 |
| .BSDIFF | BSDiff Patch File | 1.0 |
| .BSDL | Boundary Scan Description Language File | 2.0 |
| .BSF | Blu-ray AVC Video | 3.5 |
| .BSG | Besiege Machine File | 3.8 |
| .BSH | BeanShell Script | 3.6 |
| .BSK | Nero SecurDisc Private Key File | 3.4 |
| .BSK | Bryce Skies File | 2.7 |
| .BSP | Quake or Source Engine Game Map | 4.2 |
| .BSP | Mario Kart Wii Binary Settings and Physics File | 3.0 |
| .BSS | Resident Evil Background Images File | 2.9 |
| .BST | BibTeX Style Document | 3.4 |
| .BSV | ImBatch Task List | 3.5 |
| .BSW | StruWalker 3D Model | 2.0 |
| .BSWX | BIMReview 3D Model | 2.0 |
| .BSXC | BimSens Component Configuration | 2.7 |
| .BSXP | BimSens Project Configuration | 2.4 |
| .BT | Binary Terrain File | 3.6 |
| .BT! | BitSpirit Incomplete Download File | 3.4 |
| .BTAB | Bass Guitar ASCII Tablature File | 2.0 |
| .BTAPP | uTorrent App | 4.3 |
| .BTD | Business-in-a-Box Document | 2.9 |
| .BTF | NationsBank Check Images | 3.3 |
| .BTI | Nintendo Texture File | 3.4 |
| .BTIF | NationsBank Check Image File | 2.3 |
| .BTINSTALL | uTorrent Installer File | 2.5 |
| .BTKEY | uTorrent or BitTorrent License Key | 3.8 |
| .BTM | BizTalk Map File | 3.4 |
| .BTM | 4DOS Batch File | 2.6 |
| .BTN | AutoPlay Media Studio Button File | 3.8 |
| .BTO | Bryce Tree File | 1.5 |
| .BTOA | Binary-to-ASCII Encoded File | 1.7 |
| .BTR | Btrieve Database File | 3.9 |
| .BTSEARCH | BitTorrent Search Engine File | 4.0 |
| .BTW | BarTender Label | 3.7 |
| .BTXT | BTXTPad Document | 2.8 |
| .BU | Samsung CCTV Video File | 3.2 |
| .BUD | Binary Printer Description File | 2.2 |
| .BUF | Buffer File | 3.0 |
| .BUILDPATH | Eclipse Build Path File | 2.3 |
| .BUILDSETTING | Twixl Publisher Builder Build Setting | 3.3 |
| .BUL | I4 Bullseye Data File | 2.3 |
| .BUN | Cakewalk Bundle File | 3.9 |
| .BUNDLE | macOS Loadable Bundle | 3.6 |
| .BUNDLE | Game Data Bundle File | 3.5 |
| .BUP | Backup File | 3.5 |
| .BUP | DVD IFO Backup | 3.6 |
| .BUP | McAfee Quarantined File | 3.8 |
| .BUR | BuRg3r Source Code File | 2.8 |
| .BUS | VirtualBus Board Parameters File | 2.9 |
| .BUS | OMSI Bus Configuration File | 3.6 |
| .BUSSIDMOD | Bus Simulator Indonesia Mod | 4.3 |
| .BVD | Bitdefender Vault File | 2.7 |
| .BVH | Biovision Hierarchy Animation File | 3.5 |
| .BVP | VodaHost BlueVoda Project File | 3.6 |
| .BVR | Blue Iris Video | 3.1 |
| .BVS | BVS Solitaire Collection Saved Game | 4.0 |
| .BW | Black and White SGI Image File | 2.8 |
| .BWA | BlindWrite Disk Information File | 3.0 |
| .BWA | Bookworm Adventures Player File | 2.6 |
| .BWAV | Binary Wave Audio File | 4.0 |
| .BWD | BanglaWord Document | 4.0 |
| .BWF | Broadcast Wave File | 3.0 |
| .BWG | BrainWave Generator Audio File | 3.4 |
| .BWI | BlindWrite CD/DVD Disc Image | 3.5 |
| .BWP | BuRg3r Web Page | 2.7 |
| .BWS | BlindWrite Sub Code File | 4.0 |
| .BWS | Brady Workstation Label | 3.0 |
| .BWT | BlindWrite 4 Track Information FIle | 3.8 |
| .BWV | Super Mario Maker Course Audio | 4.3 |
| .BWW | Bagpipe Player File | 3.4 |
| .BWZ | WinImage Batch Configuration File | 3.0 |
| .BXL | Accelerated Designs PCB Library File | 3.2 |
| .BXT | Balabolka Text Document | 2.0 |
| .BXX | BS Contact Parameter File | 3.1 |
| .BYML | Binary YAML File | 4.0 |
| .BYTES | Binary Text Asset Data File | 4.0 |
| .BYU | Brigham Young University Movie File | 2.7 |
| .BZ | Bzip Compressed File | 3.6 |
| .BZ2 | Bzip2 Compressed File | 4.0 |
| .BZA | IZArc BGA Archive | 3.0 |
| .BZABW | Compressed AbiWord Document | 1.7 |
| .BZIP | Bzip Compressed Archive | 3.0 |
| .BZIP2 | Bzip2 Compressed Archive | 3.4 |
| .BZPLUG | AfterShot Pro Plugin Bundle | 3.0 |
| .BZW | BZFlag World File | 4.4 |
| .BZZ | BuzzBundle Project | 3.8 |
All results listed.