File Extensions beginning with the letter 'B'

File Extensions beginning with the letter 'B'


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Extension click to sort by Extension Description currently sorted on Description Format MIME Type
btl
bpr
bdr
BRender
BUFR Binary Universal Form for the Representation of Meteorological Data
BYU BYU Movie
BIN SGI Powerflip
BIN (1) Binary Data
BIT (1) Bitmap Picture; X11
BSC (1) Browser Database Microsoft C++, Fortran
BCH (1) dBase batch program
BAR (1) dBase menu
BK (1) Fax Document; JetFax Fax Book
BOO (1) IBM Book Manager
BLD (1) Microsoft Developer Studio MAK file; replaced by DSW
BAL (1) Sound; Ballade music score
BSC (2) Archive; Apple ][
BAR (2) Archive; UNIX
BAL (2) BAL Borland Programming Language Source
BLD (2) Bitmap; GWBasic or QuickBasic BLOAD image
BOO (2) BOOK FrameMaker Book
BCH (2) Database; Datalex EntryPoint
BK (2) FrameMaker BookFile Document
BIT (2) Lotus Manuscript
BIN (2) Micrografx Designer 7 Project Image
BOO (3) Archive
B1N 1st Reader
BTM 4-DOS batch-to-memory
BMK A bookmark file
BRX A file for browsing an index of multimedia options
BYU A file in a Movie BYU format
BOX A mailbox in Lotus Notes
BNK AdLib Instrument Bank
BOOK Adobe FrameMaker Book
BKS An IBM BookManager Read bookshelf
BM1 Apogee BioMenace data file
BM1 Apogee BioMenace; see MS1
BS1 Apogee Blake Stone data file
BS1 Apogee; see BM1
BSA Archive
B64 Archive
BHX Archive
BAK AutoCAD backup files
BAK Backed-up file
BG Backgammon for Windows game
BKP Backup
BAK Backup
BUD Backup disk for Quicken
BAK Backup file
bak Backup File
bak backup file
BPU Backup; BAK
BWB Baler compiled Spreadsheet application
b64 Base64 MIME encoded file
BI Basic Include
BAS Basic Source
BAS BASIC source code
bat batch file
bat Batch File
BAT Batch file
BTM Batch file used by Norton Utilities
BAT Batch Program; see CMD
BBL Bibliography; Tex
BPX Big Picture. Raster image. Details
BGO BigOven file. A cooking receipe file. BigOven corporate website
BIN Binary data file
bin binary file
BI Binary file
BIN Binary file
BGF Binary Game File. 3D interface from Anark GameFace.
BT Binary Terrain. More Info.
BDF Bitmap Distribution Format. A font format. Details
B&W Bitmap Picture; Atari, Macintosh
BIF Bitmap Picture; black and white Binary Image Format
BBM Bitmap Picture; Deluxe Paint brush
BGA Bitmap Picture; OS/2
B8 Bitmap Picture; PicLab
BM Bitmap Picture; see SCT
bmp Bitmap. Microsoft-proprietary raster image file. [bmp]
BCO Bitstream Fontware
BLA Black Color Separation; CYA (Cyan), MAG (Magenta), YEL (Yellow) Adobe Color Separation
BMK Bookmark; Microsoft help viewers
BML Bookmark; SyncURL Bookmarks
BPL Borland Delphi 4 packed library
BSDL Boundary Scan Description Language
BFC Breifcase
BR Bridge script
BFC Briefcase
BQY BrioQuery file
BPS Business Plan Toolkit
BWV Business Wave file
BRL CAD -Ballistic Research Laboratory CAD
BUN CakeWalk Audio Bundle file (a MIDI program)
BPT Corel Draw Bitmap Picture fill
BTR Data; Btrieve
BB Database; Papyrus Database Backup
BST Document; BibTex style
BOT Document; Linkbot
BPC Drawing; Chart; Business Plan Toolkit
BGI Driver; Borland DOS 16-bit graphics video device driver
BDF extension for a program called West Point Bridge Designer
BRK Fax Document; Brooktrout
BEZ Font; Bitstream Vector Font
BF2 Font; Bradford
BFM Font; UNIX
BGL from Microsoft concerning scenery files from the well known Flight Simulator
B$$ Group
BIF GroupWise initialization file
B4 Helix Nuts and Bolts file
BOOK HTMLDOC document. Details
BLL Inprise (Borland) Delphi localization Information
B Lotus Applause batch list
bin Mac executable et al
BCP MAK file; Borland (Inprise)
BSB meta-data about a KAP file.
BS_ Microsoft Bookshelf Find Menu shell extension
BA$ Microsoft compressed BAS; decompress with UNPACK.EXE
BI$ Microsoft compressed BI; decompress with UNPACK.EXE
BFC Microsoft Office Briefcase
BCM Microsoft Works Backup of WCM
BSC MS Developer Studio (MSDev) browser informatio file
BAT MS DOS and VM DOS batch file
BAT MS-DOS batch file
btm Norton NDOS Batch to Memory File
BIO OS/2 BIOS
B_W Picture; Atari, Macintosh
BFX Picture; BitFax Fax Document
BUT Picture; Buttons!
BYU Picture; BYU Animation
BDR Picture; Microsoft Office 97 or Publisher Document Border
BSP Quake map
BW SGI Black and White image file. Details
BK and BK$ Sometimes used to denote backup versions
BIB Text; Bibliography
BBS Text; stored on a Bulletin Board System
B30 Ventura Publisher Font
BFC Windows 95 Briefcase document
BK! WordPerfect Backup
BK1 WordPerfect Backup; also BK2, BK3...
BIFF XLITE 3D file format