Стандартные занчения расширений файлов
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Num Sym
.??_ Files ending in "_" are often compressed install files of the same
name (e.g., .EX_ expands to .EXE, .DL_ expands to .DLL, etc.)
.B Limbo Implementation File (Inferno OS)
Brainf*ck Program (small programming language)
Befunge Program
Grand Theft Auto 3 Save File
Applause Batch List
.B02 ADP Payroll (unverified)
.B1 21st Century Mahjong
.B16 PCO Graphic [XnView]
.B1J BookJones
.B1N 1st Reader Binary Screen Image
.B1S BookSmith
.B30 Ventura Publisher Printer Font
.B3D 3D Builder File
BDE Multipath Movie Digital Viewer
.B4 Helix Nuts and Bolts File (Helix Software now part of McAfee)
.B4S Winamp 3+ Playlist
.B5S Numerical Controlled Machine File (Ball-bar?)
.B64 Base 64 MIME-encoded File [MIME] (WinZip to access)
.B8 Piclab Raw Graphic File
.B&W Atari Black and White Graphics
1st Reader Mono Binary Screen Image
Image Lab [XnView]
.B_W Atari/Macintosh Black and White Graphic
1st Reader Mono Binary Screen Image
Image Lab [XnView]
.BAC Backup
.BACKUP Ad-aware Referencefile Backup
.BAD Rime Mailer Address File
Oracle BAD File
Brutus Application Definition File (password cracking)
.BAF Infinity Game Engine Script [More Info]
.BAG PMMail Mail Index File
OS/2 Netfinity Manager Sysinfo File (adapter.bag)
AOL Instant Messenger File
Emperor: Battle for Dune Archive [Dragon UnPACKer]
.BAH Infinity Game Engine File (Baldur's Gate 2 only) [More Info]
.BAK Backup
.BAL Ballade Music Score
.BAM Infinity Game Engine Animation and Multi-frame Graphics
[Edit with BAMWorkshop] [More Info]
Zlib Compressed Infinity Game Engine Animation and Multi-frame Graphics
(Baldur's Gate 2 only) [Edit with BAMWorkshop]
[More Info]
.BAN Sierra Print Artist Banner
.BAR dBase Application Generator Horizontal Menu Object
.BAS BASIC Language Source
Basic Module
.BAT Batch Processing (DOS Batch File)
.BAV The Bat! E-mail Client Anti-Virus File
.BAY Kodak/Roper Bayer Picture Sequence [Edit with FalCon eXtra]
.BB Papyrus Database Backup
Blitz Basic File
Starfleet Battles DOS Game
.BB2 XBBS-OS/2, XGROUP, AV and ZTree Archiver Control File
.BBC BBC BASIC File
.BBF FRAMES Body Burden Concentration File (PDF link - FRAMES =
Framework for Risk Analysis in Multimedia Environmental Systems)
.BBL TeX/BibTeX Bibliographic Reference File
.BBM Deluxe Paint Image File
.BBMA Bonzibuddy
.BBP BitBeamer Split File (of the form .??_??.bbp)
.BBQ BitBeamer Transfer Queue File
.BBS Bulletin Board System Text
.BC Sierra Print Artist Business Card
.BC3 Fiebdc-3 Format File (Format of Interchange ESTANDAR of
Data bases of CONSTRUCTION)
.BCC Calendar Creator 8 Collection
.BCD Cosmi Business Card Maker
.BCF ConfigSafe Snapshot Index
The Sims (Maxis) 3D Body Mesh File
.BCH dBase Application Generator Batch Process Object
Datalex EntryPoint 90 Data File
Phoenix Software (Datalex) Entry Point 90 Data File
.BCI Belarc Advisor Computer Profile Report
.BCK Backup
.BCM Microsoft Works Communications File
.BCMR Boise Cascade BC Framer (3D drafting program for creating floor
and roof framing layouts.)
.BCN Business Card Pro Design
.BCO Bitstream Fontware File
MicroSim PCBoard Backward Engineering Change Order (layout-to-schematic)
.BCP Borland C++ Makefile
.BCS Infinity Game Engine Compiled Script [More Info]
.BCT Clarion Backup Dictionary
Business Card Designer Template
.BCW Borland C++ 4.5 Environment Settings
.BDB Microsoft Works Dababase File
.BDE Borland Database Engine (embedded in many different programs)
.BDF West Point Bridge Designer File
Egret Data File
X11 Bitmap Distribution Format
Backup To CD-RW Backup Definition File
Adobe Glyph Bitmap Distribution Format (ASCII version of .ABF)
.BDG Badge Designer 2000 Photo ID
.BDR Microsoft Publisher Border 
[Buy Office XP at Shop.Microsoft]
.BDX BarBack Drink Exchange File
FUSE Science Pipeline Bad Data File
JavaBib Index File (contains file info for associated BibTeX file) (Also see .BIB)
.BEC Break Even Calculator
.BED InfoSnorkel Blue Elephant Definition (define content InfoSnorkel
extracts from web page)
.BEX BOOM Extensions To Dehacked
British National Bibliography File (also see .LBL)
Kashmir 3D Transparent Color Definition (INFO.BEX - ASCII file)
.BEZ Bitstream Fontware File
.BF Brainf*ck Program (small programming language)
Befunge Program
.BF2 Bradford 2 Font
Bidfax 2000 SE Database (help to obtain bids on jobs that are subbed out)
.BFA Blowfish-encrypted File (Extension added to original) [Program List]
.BFC Briefcase File
.BFF AIX® Backup File Format
.BFFM B17 Flying Fortress Game File (link is to support page)
.BFL Colin McRae Rally 2 Data File
BFLI [XnView]
.BFLI BFLI [XnView]
.BFM UNIX Font Metrics File
.BFR NI Observer Capture File
.BFX BitFax Document
BFX Bitware [XnView]
.BG Microsoft Backgammon for Windows Game
.BGA OS/2 Graphic Array [XnView]
.BGB Microsoft Chat Background Graphic
.BGI Borland Graphic Interface
.BGL Flight Simulator Scenery File
Babylon Glossary File
.BGM Jane's Combat Simulations F-15
.BGV BonanzaGraf (Financial analyses/graphs)
.BH BlackHole Archive Format File [ZipTV]
.BHF pcAnywhere Host File
.BHTML BabuHTML Embedded Software File (example use: netMailshar)
.BHX Archive File
.BI Binary File
Progress Database Before Image File
.BIB Bibliography
Papyrus Database
TeX/BibTeX Literature Database
JavaBib BibTeX File
.BIC Civilization III Scenario
Bioware Neverwinter Nights Character Sheet
.BID BidMaker 2002 File (software to aid in making bids on jobs)
.BIE JBIG File [XnView]
.BIF GroupWise Initialization File
Image Capture Board Binary Black & White Image
Baldur's Gate Archive [Dragon UnPACKer]
Planescape: Torment Archive [Dragon UnPACKer]
Infinity Game Engine Archive of Resources (indexed by .KEY file) [More Info]
.BIG Chinese (old version)
Cartes Michelin [XnView]
Fifa World Cup Game File
Homeworld File [Format]
.BIK BioCharter Profile Backup File
Bink Game Video File
.BIL ArcView Image File (band interleaved by line)
.BIN Binary File (many)
.BIO BioCharter Profile File
OS/2 Bios File
Infinity Game Engine Character Biography (Baldur's Gate 2 only) [More Info]
.BIP ArcView Image File (band interleaved by pixel)
.BIT X11 Bitmap Image
Worms Armageddon Imported Map
Worms World Party Imported Map
.BIU BidMaker 2002 Update File (software to aid in making bids on jobs)
.BIX Index to a .BIB BibTeX Bibliography Database
BIX Archiver File (no longer produced)
Civilization III Scenario
.BIZ Broderbund Print Shop Business Card File
.BJF NTI Backup NOW! File
.BK Backup
LinguAssist File
JetFax Faxbook File
.BK! Backup (various)
.BK$ Backup
.BK? Backup (Can be 1 to 9, usually with WordPerfect)
.BK1 Bach Preludes and Fugues MIDI akmi Source, Book 1
.BK2 Bach Preludes and Fugues MIDI akmi Source, Book 2
.BKC Collectorz.com Book Collector Database
.BKF Moto Racer Archive [Dragon UnPACKer]
Microsoft WindowsXP Backup Utility (Note: This is default;
can be renamed to any extension.)
.BKG Background File (used in many games/programs)
UWXAFS Binary Format Data File (absorption data on an energy grid
which does not need to be evenly spaced)
.BKI Backup Index
.BKP Backup
.BKR Bruker Aspect NMR Data File
.BKS Bookshelf Backup
IBM BookManager Read Bookshelf
Microsoft Works Spreadsheet Backup
.BKU Peachtree Software Timeslips Backup
.BKW FontEdit Fontset Mirror Image
.BLA Blat E-mail (command line E-mail tool written for Windows)
Adobe Black Color Separation (also see .CYA, .MAG, .YEL)
.BLB DreamWorks Resource Archive
Glulx Game [Use Glulx Interpreter]
.BLD BASIC Bload Graphics
MegaPaint [XnView]
VersaPro Block Build Info
ACT! Contact Manager for Windows
RealFlight Radio Control Aircraft Simulator Airplane Description
Weinberger Picture Sequence [Edit with FalCon eXtra]
.BLEND Blender 3D File
.BLG Windows Binary Performance Log
(W-2000 & W-XP have different formats. To convert click.)
MicroSim PCBoard Backward ECO Log File
.BLK WordPerfect Temp File
Lightscape Block Library
Alias Wavefront Image
Amiga IFF [XnView]
VersaPro Block
ProWORX Nxt Block Data (Found in the NxT directory)
.BLL An extension used by the VBS/European-A worm. If found in the directory
C:\STARTUP suspect you are infected with this worm and have your computer
checked with anti-virus software!
INPRISE Format Language Library (changed to .BTL)
.BLT Wordperfect for DOS File
Saved AIM Buddy List File
.BLW ArcView World File For BIL Image
.BLZ Bitmap Graphic
Twinkle Bulbs Bulb File
Emblaze.Creator File
Blazon Heraldic Shield
Serial Number File [IBM's Drive Fitness Test (DFT) program]
.BM X Windows System Bitmap
.BM1 Apogee BioMenace Data File
.BM2 Subspace/Continuum Graphic (online games - .BM2 is renamed .BMP file)
.BMB SLICS Bounding Box Information
.BMF Corel Flow Image File (Binary Material Format) [XnView]
.BMG Bert's Dinosaurs File
.BMI Buzz Instrument
Blue Martini Import File (eCRM)
.BMK Help Bookmark
BMC Software Patrol Icon File (ver 3.3+)
.BML Bean Scripting Framework (BSF) File (Open with ASCII editor)
.BMP Windows OS/2 Bitmap Graphics [IrfanView]
Infinity Game Engine Palette Information (Standard graphic
file with only one pixel plus color info) [More Info]
.BMS Backup Magic Backup Set
.BMU Music/Sound File [Open with Winamp or other MP3 player]
.BMW Buzz Music File with Waves
.BMX Buzz Music File
Siemens Mobile Phone Animation
.BMZ Demon Stalkers: Raid on Doomfane (old game)
.BN AdLib Instrument Bank
.BN7 Ox Object-Oriented Matrix Programming Language PcGive 7 Data File
.BND Typequick File
.BNG [Used by program RANGER.EXE] (Marshalling Yard Calculations)
.BNK Adlib Instrument Bank
SimCity Game File
(reported to be) Bink Compressed Video/Audio File
.BNL MicroSim PCBoard Netlist File For The Board Layout
.BNR Binary News Reader File
.BNSKIN Beatnik Clock Skin
.BOB BobDown Downloading Program [Also see Antibob]
Bob Raytracer [XnView]
.BOL Microsoft Booasm Compressed Archive Library
.BOM Orcad Schematic Capture Bill of Materials File
Softshare Delta Business Object Model
MicroSim PCBoard Bill of Materials
.BOO Image File
Book
Compressed Archive File
.BOOK Adobe FrameMaker Book
.BOS Brotherhood of Steel Compressed File (renamed ZIP file; use any extractor)
.BOT Frogbot Editor (Frog = Quake add-on computer opponent)
.BOW Back Orifice 2K Workspace [this is a hacking tool]
.BOX Notes Mailbox
Calypso Email Mailbox
Lemmings Revolution Archive [Dragon UnPACKer]
ThrottleBox Multimedia Viewer
Aladdin Knowledge Systems Vbox Helper Application File (software distribution)
.BOXR Boxerjam Interactive Game System
.BPC Business Plan Toolkit Chart
BuildPro File
.BPG Borland Project Group (Delphi and C++ Builder)
.BPK C++ Builder Package File
.BPL Delphi Library
Winamp 3 Playlist File
AutoCAD R2000 Batch Plot List File
.BPP MUSICMATCH Burner Plus Project
.BPR Borland C++ Builder 6 Project
BackupXpressPro Project File
.BPS Microsoft Works Document
Bulletproof FTP Settings
.BPT Corel Bitmap Master File
.BPW ArcView World File For BIP Or BMP Images
.BPX Truevision Targa Bitmap [XnView]
.BQW ArcView World File For BSQ Image
.BQY BrioQuery File
.BR Bridge Script
The Playa File (link is tentative)
.BR3 Bryce 3D Scene File (3D Landscaping & Rendering)
(Bryce made by MetaCreations, changed to Viewpoint, product taken over by Corel)
.BR4 Bryce 4 File (3D Landscaping & Rendering)
(Bryce made by MetaCreations, changed to Viewpoint, product taken over by Corel)
.BR5 Bryce 5 File (3D Landscaping & Rendering)
(Bryce made by MetaCreations, changed to Viewpoint, product taken over by Corel)
.BRC Bryce 2 Scene File (3D Landscaping & Rendering)
(Bryce made by MetaCreations, changed to Viewpoint, product taken over by Corel)
Onset Design Briefcase File
.BRD EAGLE Board File
Allegro File (Printed circuit board design.)
.BREP Boundary Representation File Format (CAD programs)
.BRF Braille ASCII File [Info Site]
.BRI Basic Rate Interface File
FirstClass (manage messaging)
.BRK Brooktrout Fax-Mail File [XnView]
.BRO Tree Professional Broadleaf Creator File
BR-532 Digital Studio (converts BR-532 tracks to/from .WAV files)
.BRP Tree Professional Broadleaf Creator Image
.BRS Corel Painter Brush File
RoboHELP Browse Sequence
Batchrun Batch File
.BRT Brooktrout Fax-Mail File [XnView]
.BRU Brutus Restore File (password cracking)
.BRW Application file associated with financial institution(s)
loan applications (e.g., Calyx Point)
.BRX Multimedia Browsing Index
.BRZ DbBRZ File (Backup or Restore)
.BS Printfox/Pagefox [XnView]
Infinity Game Engine Compiled Script [More Info]
.BS_ Microsoft Bookshelf Find Menu Shell Extension
.BS1 Apogee Blake Stone Data File
.BS2 Basic Stamp 2 Code File (WordPad or BS2-Editor)
.BSA BSARC Compressed Archive
.BSB SWAT Sub-basin Output File (river basin scale model)
MapInfo Sea Chart
.BSC Apple II Compressed Archive
Source Browser Database
Fortran Pwbrmake Object [FORTRAN]
Boyan Script
Microsoft Developer Studio Browser File
.BSE CRiSP Harvest File
.BSF JCanyon: Grand Canyon for Java DEM File
(contains 16 bit big-endian integer elevation values)
Bridge-Soft Quarterly File [Extractor]
Rogue Wave Buildspace File
BadukSearch/BadukTracer Selected Game File
.BSH BeanShell Script (A scripting shell for Java.)
.BSI BSPlayer Configuration File
.BSK Bryce 4 File
.BSL BSPlayer Configuration File
.BSP Quake Map
Half-life/TFC/CS Map
arahnoWare Enterprise Sever 6 BSP Code Editor (BSP=Basic Scripting Pages --
VBA-compatible Scripting)
.BSQ Oracle Control File (SQL.BSQ)
Apple II BINSCII-encoded File (often produces a Shrinkit .SHK file)
ArcView Image File (band sequential)
.BST BibTeX Style File
Star Trek: Birth of the Federation Structure/Ship Info File
.BSU Brindys BriTray (software update)
.BSV BASIC Bsave Graphics
.BTAB Base Guitar Tabulature [On-line Guitar Archive]
.BTC Becker Tools Compressed Archive
.BTF Brother Scanner File (supports multiple graphic pages in one file)
.BTL INPRISE Format Language Library (changed from .BLL)
.BTM 4DOS Batch To Memory Batch File [Note: Norton Utilities also uses 4DOS]
.BTN ButtonWare File
JustButtons Animated Bitmap [XnView]
.BTO Baytex Organix! 2001 Language Kit
.BTOA Binary-to-ASCII Format (encoding format similar to .UUE) [Tutorial]
.BTR Btrieve Database File
Microsoft Frontpage-related File [Buy Office XP at Shop.Microsoft]
.BTS Creative Digital Blaster Digital VCR File
.BTT ICQ Find Users File
.BTX SEEDIS Index
DB/TextWorks Database Term and Word Indexes
.BUB Photobubble File [Play with Quicktime with Internet Pictures Corp.
iPIX Plugin v6.2 (CrossOver - npipx32.dll) or Netscape Plugin iPIX Viewer]
.BUD Quicken Backup
.BUF WinXL File (Datascope emulation software)
.BUG Bug (Problem) File
.BUL Holiday Lights Screen Saver Bulb File
.BUM Poser Bump [XnView]
.BUN CakeWalk Audio Bundle File
.BUP Backup DVD Info File
PC-Bibliothek Update File
CD Indexer
Brother Embroidery System File
Softcode Tracker Contact Manager Backup (Australian software no longer sold)
.BUS Netmino File (SW under development Oct 2002)
.BUT Buttons! Button Definition
.BUY Movie Data File
.BV? WordPerfect Overflow File (Can be 1 to 9)
.BVH Biovision Motion File [Format] (Used by Poser and other software)
.BVS BVS Solitaire Collection
.BW SGI Black and White Image
Silicon Graphics Raw RGB File [XnView]
.BWB Visual Baler Spreadsheet File
.BWC BeadWizard Color Palette
.BWI Blindread/Blindwrite
.BWP Book Writer Project
BeadWizard Pattern
.BWR Kermit Beware Bug List
.BWS Blindread/Blindwrite
.BWT Blindread/Blindwrite [Fantom CD Emulator]
CDmage Table of Contents
.BWV Business Wave File
.BWZ WinImage Batch Configuration File (make disk images)
.BXB BX-24 Basic Express Compiler Compiled Project
.BXF Man's Best Friend Software Breeder Exchange Format
.BXM BX-24 Basic Express Compiler Map
.BXP BootXP File
BX-24 Basic Express Compiler Module List
.BXX blaxxun Contact
.BYU Movie File (Shockwave)
.BZ Bzip UNIX Compressed File (Open using WinRAR)
.BZ2 Bzip 2 UNIX Compressed File (Replaces .BZ) (Open using WinRAR)
.BZF Textures and Other Information (used by various games)
.BZN Star Trek Armada Map File