A

ADA Program

A

UNIX Library

A01

ARJ Multi-volume Compressed Archive

A01 - A10

OzWin CompuServe E-mail/Forum Access SYSOP File

A11

AIIM Graphic

A31

Authorware 3.x Library

A3D

Amapi 3D Modeling

A3K

Yamaha A3000 Sampler File

A3L

Authorware 3.x Library

A3M

Unpackaged Authorware Mac OS File

A3W

Unpackaged Authorware Windows File

A41

Authorware 4.x Library

A4L

Authorware 4.x Library

A4M

Unpackaged Authorware Mac OS File

A4P

Authorware File Without Runtime

A4W

Unpackaged Authorware Windows File

A51

Authorware 5.x Library

A5L

Authorware 5.x Library

A5W

Unpackaged Authorware Windows File

A8

Cubicomp PictureMaker 24bit 3D Animation (DOS-based animation program; graphics cards external to computer; Cubicomp closed 1990)

A86

A86 Assembler Program File

AA

Audio Book File

AAB

Macromedia Authorware Binary

AAC

Advanced Audio Coding File

AAM

Authorware Shocked File

AAS

Authorware Shocked Packet

AB

Applix Builder File

AB$

AutoCAD Spooled Plot File

AB2

Parson's Address Book

AB6

AB Stat Data

AB8

AB Stat Data

ABA

Palm Address Book File

ABC

Flowchart

ABD

Adventure Builder Database

ABD

AmBiz Bonus Calculator Data File

ABF

Adobe Binary Screen Font

ABK

Any Automatic Backup

ABK

Corel Draw AutoBackup

ABL

Maxagrid Avails Data File (text format)

ABM

Album File (various)

ABM

HitPlayer Audio Album File

ABM

Photo Impressions 2000 Album

ABO

Applix Builder Turbo File

ABR

Adobe Photoshop Brush

ABS

Abscissa Data File

ABS

Abstracts

ABS

MPEG Audio Sound File

ABS

PC GNU Compiler Output

ABT

The Arbiter Sports Official Schedule

ABW

AbiWord Document File

ABX

WordPerfect Address Book File

AC

CaseWare Working Papers Client File

AC$

AutoCAD Undo Info

AC_

CaseWare Working Papers Compressed Client File

AC3

AC3 Audio File Format

ACA

MS Agent Character File

ACA

Project Manager Workbench File

ACB

ACBM Graphic Image

ACB

Archived Data File

ACC

DR-DOS Viewmax File

ACD

allCLEAR Flowcharting File

ACD

Chromeleon Channel Raw Data

ACD

MS Agent Character Definiton File

ACD

Sonic Foundry Acid Music File

ACE

The Ace Archiver Compressed File

ACF

Adobe Photoshop Custom Filter

ACF

MS Agent Character File

ACG

MS Agent Preview File

ACH

Rockwell Software Logix 5 File

ACI

ACI Development Appraisal

ACL

ACL for Windows (data mining software)

ACL

Corel Draw 6 Keyboard Accelerator

ACL

MS Office Auto Correction List

ACM

ACBM Image File

ACM

Adobe Photoshop Command Button

ACM

Audio Compression Manager Driver (used by Windows in the system directory)

ACM

Interplay Compressed Sound File

ACO

Adobe Photoshop Color Swatch File

ACP

File Used by Adobe Acrobat Paper Capture

ACP

MS Office Assistant Preview File

ACQ

AcqURL File (bookmark manager)

ACR

American College of Radiology File

ACS

MS Agent Character File

ACT

Action! Presentation

ACT

Adobe Photoshop Color Table

ACT

Documenting Wizard Action Diagram (used by MS Visual FoxPro 6)

ACT

MS Office Assistant Actor Program File

ACU

AppleLink-PE Compression Format (created by Floyd Zink; overtaken by Andy Nicholas' ShrinkIt; ShrinkIt should unpack)

ACU

COBOL Intermediate Object File

ACV

Adobe Photoshop Saved Curve

ACV

OS/2 drivers that compress and decompress audio data

ACW

MS Accessibility Wizard Settings

AD

After Dark Screen Saver

AD

Ascend Password Protocol File

AD!

OzWin CompuServe E-mail/Forum Access

AD2

2-bit Compressed Voice File

AD3

3-bit Compressed Voice File

ADA

ActiveDocs Answer Set

ADA

ADA Program File

ADB

ADA Package Body

ADB

Appointment database used by HP 100LX organizer

ADC

ActiveDocs Clipping Catalog

ADC

Chromeleon Demo Data File

ADC

Lingvo Dictionary Text File

ADC

Scanstudio 16-color Bitmap Graphic File

ADD

Adobe PageMaker File

ADD

Advantage Database Server Data Dictionary

ADD

OS/2 Adapter Device Driver (used in the boot process)

ADE

ADC Audio File

ADE

MS Access Project Extension

ADF

Adapter Description File

ADF

Administration Configuration File

ADF

Amiga Disk File

ADI

Advantage Data Server Database Index File

ADI

AutoCAD Plotter File

ADJ

LISCAD Plus Adjustment File

ADL

OzWin CompuServe E-mail/Forum Access QS-Special Get Marked

ADL

QEMM MCA Adapter Description Library

ADM

Addict Compiled Dictionary

ADM

Advantage Data Server Database Memo File

ADM

After Dark Screen Saver Module

ADM

Windows Policy Template

ADN

1-2-3 Add-in Utility

ADN

MS Access Blank Project Template

ADO

Adobe Photoshop Duotone Options

ADO

Stata Program

ADP

AOLserver Dynamic Page File

ADP

Astound Dynamite File

ADP

FaxWorks Modem Setup File (for fax modem interaction)

ADP

MS Access Project

ADR

Address Book

ADR

Address Plus Database

ADR

After Dark Random Screen Saver Module

ADR

Smart Address Address Book

ADS

ADA Package Specification

ADT

AdTech Fax File

ADT

Advantage Data Server Database File

ADT

HP NewWave Card Application Data File

ADT

Lingvo Dictionary File

ADV

GUS Virtual Device Driver

ADX

Archetype Designer Document

ADX

Dynazip Active Delivery Script

ADX

Lotus Approach Index File

ADZ

GZ-Packed Amiga Disk File (see ADF)

AE

SoftQuad Author/Editor File

AEH

iPer Advanced Embedded Hypertext

AEP

Adobe After Effects project file

AEP

ArcExplorer Project File

AER

Adobe Atmosphere File

AEU

MS AutoRoute Express Europe Route

AEX

PGP Armored Extracted Public Encryption Key

AF2

ABC Flowchart File (now Micrografx FlowCharter)

AF3

ABC Flowchart File (now Micrografx FlowCharter)

AFC

Apple Sound File

AFC

ArisFlow Commander File

AFD

ArisFlow Diagram

AFD

Prismo Graphics ActiveFile Data

AFF

AnyForm Form

AFI

Truevision Bitmap Graphic

AFL

Lotus Font

AFM

Adobe font metrics

AFM

HP NewWave Cardfile Application

AFM

LOUT File (High-Level Language For Document Formatting)

AFM

Outline Font Metric

AFP

Flowchart Symbol Palette

AFP

IBM Transactional Data Format (Advanced Function Print) (AS400 computer)

AFP

Papyrus Document Storage Format

AFP

Prismo Graphics ActiveFile Proxy

AFS

Filter Factory Photoshop Filter

AFT

AnyForm Template

AFT

Flowchart Template

AFW

Flowchart Work Area

AFX

Auto FX Photographic Edges (Photoshop add-in)

AG

Applix Graphic

AG

Argus Spreadsheet File

AG4

Access G4 File

AGP

Aspen Graphics Pages

AGW

Aspen Graphics Windows

AHQ

AudioHQ Plugin Module

AHS

Adobe Photoshop Halftone Screens

AI

Adobe Illustrator drawing (vector graphic)

AI

Advantage Database Server File

AI

Corel Trace Drawing

AI

Progress Database After Image File

AIF

Audio Interchange File

AIF

Knowledgeware Setup Information

AIF

Mac OS AIFF sound

AIF

SymbianOS Application Information File

AIFC

Audio Interchange File (similar to AIF)

AIFF

Audio Interchange File (similar to AIF)

AIL

AutoImager File (batch image conversion)

AIM

AOL Instant Messenger File

AIML

Artificial Intelligence Markup Language

AIN

AIN Compressed Archive

AINSO

VAX CRYSTALS Chemical Crystallogaphy File

AIO

APL File Transfer Format

AIP

Audiosoft Parameter File

AIR

Align It! Resource File

AIR

Flight Simulator Aircraft Performance Info File

AIS

ACDSee Image Sequence File

AIS

Array of Intensity Samples (Graphic)

AIS

Velvet Studio Instruments

AIX

HP NewWave Cardfile Application Data

AKF

Acrobat Key File

AKW

RoboHELP Help Project Index File

ALA

Alan Adventure Language File

ALA

Sharp Fax File (unverified)

ALB

JASC Image Commander Album

ALB

Steinberg Cubase or VST Backup Song File

ALBM

HP Photosmart Photo Printing Album

ALBM

webAlbum Photo Album

ALC

dataAlchemy project files

ALC

Norton Internet Security Ad Server File

ALF

Abacus Law File

ALF

ACT! User Logon Tracking

ALF

AdventNet Look and Feel Standards (ALFSTANDARDS.ALF)

ALF

ALF Logic File ("Another logical framework", structure editor for Martin-Löf's monomorphic type theory)

ALF

Aventail Connect License File (AVENTAIL.ALF)

ALF

Cadence Ambit BuildGates

ALF

LANDesk Client Manager Configuration File

ALF

VPCom Remote User Configuration File

ALI

OM2 OMALI Native OMALI Document

ALI

SAP Proprietary Format Document File

ALL

Always Working Page Format File

ALL

Arts & Letters Library, symbols and characters

ALL

Steinberg Cubase or VST Song File

ALL

WordPerfect Printer Info

ALS

Alias Image

ALS

Calmira Shortcut File

ALT

WordPerfect Menu File

ALV

Adobe Photoshop Levels

ALX

OM2 OMALI Plug-in Extension

ALZ

ALZip Compressed File (Korean site)

AM

Advantage Database Server File

AM

Applix SHELF Macro

AM2

AutoPlay Menu Studio Version 2

AM3

AutoPlay Menu Studio Version 3

AMB

Radiance Ambient File Format

AMC

Ant Movie Catalog

AMF

Advanced Module Format Music File

AMF

DSMIA/Asylum Module Music

AMG

AMG ACTOR System Image

AMG

AMGC Compressed Archive (alternate site)

AMI

Cocreate SolidDesigner Annotation File

AMM

AMM File (pattern design pgm for Universal flat knitting machines)

AMP

Adobe Photoshop Arbitrary Map Settings

AMS

Adobe Photoshop Monitor Setup

AMS

Extreme's Tracker Module Format

AMS

Velvet Studio music module (MOD) file

AMZ

The Amazon Trail Saved Game

AN

Groundworks Text File

ANC

Canon Computer Pattern Maker File

ANI

Animated mouse cursor

ANL

Project Analyzer Saved Analysis

ANM

DeluxPaint Animation

ANN

Annotation to a Windows Help (.HLP) file

ANS

ANSI Graphic

ANS

ANSI Text

ANS

MS Word Text and Layout

ANSR

AnswerTool File

ANT

SimAnt for Windows Saved Game File

AOB

DVD Audio File (MPEG-2 program streams with additional info)

AOF

Acorn Object Format (used for data storage)

AOS

Nokia Add-on Software

AOT

ZenWorks Application Binary Object Template File

AP

Applix Presents File

AP

Datalex EntryPoint 90 Data File

AP

WHAP-Compressed Amiga Archive

APA

AlfaPad Organizer File

APA

ArcPad 6 Applet

APC

Centura Team Developer Compiled Application File

APC

Lotus Printer Driver Characters

APD

Centura Team Developer Dynamic Application Library File

APD

Lotus Printer Driver

APE

Music Format

APF

Acrobat Profile File

APF

ArcPad 5 Profile

APF

Fax2000 File

APF

Homesite Project File

APF

Lotus Printer Driver Fonts

API

1st Reader Passed Parameter File

API

Adobe Photoshop Ink Colors Setup

API

Application Program Interface

API

Application Program Interface file; used by Adobe Acrobat

API

Lotus Printer Driver Info

APJ

Angel Debug Monitor Project File (link is PDF file)

APJ

ARM Project Manager File

APJ

Music Screen Saver File (usually associated with .SCR file)

APK

GameSpy Arcade Service

APL

APL Workspace File

APL

ArcPad 6 Layer

APL

Centura Team Developer Application Library File

APM

ArcPad 6 File

APO

Apollo Scripts

APP

ArcPad 5 Project

APP

Centura Team Developer Normal Mode Application File

APP

CLARION for Windows Application

APP

dBASE Application Object File

APP

Executable Application (under DR-DOS, NeXTstep, Atari, SymbianOS)

APP

Generated application or Active Document (used by MS Visual FoxPro 6, R:Base, Symphony)

APR

ArcView Project File

APR

Employee Appraiser Performance Review File

APR

Lotus Approach 97 File

APS

Advanced Patching Systems with Error Checking

APS

ArcPad 5 Symbology File

APS

MS Visual C++ File

APT

Centura Team Developer Text Mode Application File

APT

Lotus Approach Data View File

APT

Nimbus 7 SAMS Data File (a-priori temperature profiles)

APX

ArcPad 6 XML File

APX

Borland C++ Appexpert Database

APX

Lotus Approach Paradox-specific Information File

AQ

Applix Data

AR

Compressed Archive File (used by MS Midtown Madness 1 & 2 games, City Add-on)

ARC

Archive File

ARC

LH ARC (old version) compressed archive

ARF

Automatic Response File

ARH

ArHymo Hydrologic Simulation

ARI

Aristotle Audio File

ARI

Compressed Archive

ARJ

Compressed Archive

ARK

Compressed Archive

ARL

AOL Organizer File

ARM

Armadillo Software Protection System

ARQ

Compressed Archive (often on a Mac OS machine)

ARR

Atari Cubase Arrangement

ART

Another Ray Tracer Format

ART

AOL Johnson-Grace Compressed File

ART

Blood Archive

ART

Canon Crayola Art File

ART

Clip Art File

ART

Duke Nukem 3D Archive

ART

First Publisher Raster Graphic

ART

Xara Studio Drawing

ARV

Arsiv File

ARX

Compressed Archive

ARY

Compaq SmartStart Scripting Toolkit File

AS

Applix Spreadsheet

AS

Macromedia Flash Action Script (include files when writing large scripts)

AS4

AS/400 Client Access

ASA

Active Server Document

ASA

MS Visual InterDev File

ASC

ASCII Text File

ASC

Indian Languages Document (iLeap)

ASC

PGP Armored Encrypted File, used by PGP (see www.pgpi.org)

ASD

Astound Presentation

ASD

Lotus Screen Driver

ASD

MS Advanced Streaming Format Description File

ASD

MS Word Automatic Backup (auto save)

ASE

Velvet Studio Sample

ASF

APL*Plus/PC APL Shared File

ASF

Electronic Arts Music File

ASF

Lotus Screen Font

ASF

MS Active Streaming (Media) File (contains audio and/or video compressed with 3rd party codecs)

ASF

Statgraphics Data

ASH

TASM Assembler Header

ASI

Borland Assembler Include

ASK

askSam Database

ASM

Assembler Source Language (various)

ASM

Pro/Engineer Assembly file

ASMX

ASP.NET Webservices Source File

ASO

Assembler Object

ASO

Astound Dynamite Objects

ASP

Active Server Page (an HTML file containing a MS server-processed script)

ASP

Adobe Photoshop Photo File Index/Separation Setup

ASP

Astound Presentation File

ASP

EROSION 3D Aspect File

ASP

Procomm Plus ASPECT Program (setup and connection script)

ASPI

Audio Catalyst

ASPX

ASP.NET Source File

ASR

Adobe Photoshop Scratch Area

ASR

MS Automap Route

AST

Adobe Photoshop Separation Tables

AST

Astound Multimedia File

AST

Claris Works Assistant File

ASV

Adobe Photoshop Selective Color

ASV

DataCAD Autosave File

ASX

Cheyenne Backup Script

ASX

Metafile (points to an .ASF structured file)

ASX

MS Advanced Streaming Redirector file

ASX

Video File

AT2

Aldus Persuasion 2.0 Auto Template

ATF

Adobe Photoshop Transfer Function

ATL

Hal/Supernova/Lunar/LunarPlus Screen Readers/Magnifiers

ATM

Adobe Type Manager Data File

ATN

Adobe Photoshop Action File

ATO

Just Burn File (audio CD burner on Compaq computers)

ATR

Lightscape Material Library

ATT

ASCII Translation Table (-> ASCIIMEX.CXT)

ATT

AT&T Group 4 Bitmap (fax)

ATW

AnyTime Deluxe PIM File

AU

Music File (various, usually Sun or UNIX)

AUD

Audio File used by Westwood Studios for various games

AUP

ePocrates File

AUS

Calamus-module/-driver Ausschießschema = Imposition page grouping scheme (-> IMPOS_LT module)

AUT

Authentication File (various)

AUT

AutoIt Script (automate any windows based task)

AUT

Descent Manager Mission File

AUT

GPSMan-autoMapic File (moving-map real-time plotting)

AUT

Interactive Pictures iPIX Format

AUT

PocketWear Car Lease Kit Vehicle Data File (Pocket PC)

AUT

Signwave Auto-Illustrator File

AUT

TLG Workplace CD Search File

AUT

Xitami Webserver Admin Password File (default.aut)

AUX

ChiWriter Auxilliary Dictionary File

AUX

TeX/LaTeX Auxilliary Reference File

AV

Final Draft AV Document File

AVA

Avagio Publication

AVB

Inoculan Anti-Virus Virus Infected File

AVB

MS Chat Character File

AVD

Avery Label Pro Data File

AVI

Audio Video Interleave File

AVI

MS Video for Windows video clip

AVR

Audio Visual Research Sound File

AVS

Animation File

AVS

Application Visualization System Format

AVS

Stardent AVS-X Image

AVS

Winamp Advanced Visualization Studio File

AVX

ArcView File

AW

Applix Word File

AW

HP AdvanceWrite Text File

AWB

Lavasoft Ad-aware Backup File

AWD

Award BIOS File

AWD

AWK Language Source Code File

AWD

FaxViewer Document (AWD MS Fax)

AWE

Adobe Acrobat Bookmark XML File

AWF

Qui veut gagner des millions Archive

AWF

Who wants to be a millionaire Archive

AWK

AWK Script

AWM

Animation Works Movie

AWR

Telsis Digital Audio File

AWS

Fax signature viewer

AWS

StatGraphics Data File

AWX

MS DirectX 8.1

AX

DirectShow Filter

AXD

Avery Label Pro Re-Index File

AXE

ChordMaster (Chord Chemistry and Sequencing program for guitarists)

AXE

MS Autoroute Export File

AXE

Paradigm C++ Integrated Debugger File

AXG

MS Autoroute Trip File

AXL

ArcIMS XML Project File

AXR

Telsis Digital Audio File

AXS

MindAvenue AXEL Stream File

AXT

Adobe Photoshop Replace Color/Color Range

AXT

ZenWorks snAPPshot ASCII Application Object Template

AZ

WinDVD File

AZZ

AZZ Cardfile Personal Information Manager

B

Applause Batch List

B

Befunge Program

B

Brainf*ck Program (small programming language)

B

Limbo Implementation File (Inferno OS)

B&W

1st Reader Mono Binary Screen Image

B&W

Atari Bland and White Graphics

B_W

1st Reader Mono Binary Screen Image

B_W

Atari/Mac OS Black and White Graphic

B02

ADP Payroll

B1J

BookJones

B1N

1st Reader Binary Screen Image

B1S

BookSmith

B30

Ventura Publisher Printer Font

B3D

3D Builder File

B3D

BDE Multipath Movie Digital Viewer

B4

Helix Nuts and Bolts File (Helix Software now part of McAfee)

B64

Base 64 MIME-encoded File

B8

Piclab Raw Graphic File

BAC

Backup File

BAD

Brutus Application Definition File (password cracking)

BAD

Oracle BAD File

BAD

Rime Mailer Address File

BAG

AOL Instant Messenger File

BAG

Emperor: Battle for Dune Archive

BAG

OS/2 Netfinity Manager Sysinfo File (adapter.bag)

BAG

PMMail Mail Index File

BAK

Backup File

BAL

Ballade Music Score

BAN

Sierra Print Artist Banner

BAR

dBase Application Generator Horizontal Menu Object

BAS

BASIC Language Source

BAS

Basic Module

BAT

Batch Processing (DOS Batch File)

BB

Blitz Basic File

BB

Papyrus Database Backup

BB

Starfleet Battles DOS Game

BB2

XBBS-OS/2, XGROUP, AV and ZTree Archiver Control File

BBL

TeX/BibTeX Bibliographic Reference File

BBM

Deluxe Paint Image File

BBMA

Bonzibuddy

BBP

BitBeamer Split File (of the form .??_??.bbp)

BBS

Bulletin Board Sytem Text

BC

Sierra Print Artist Business Card

BCC

Calendar Creator 8 Collection

BCF

ConfigSafe Snapshot Index

BCF

The Sims (Maxis) 3D Body Mesh File

BCH

Datalex EntryPoint 90 Data File

BCH

dBase Application Generator Batch Process Object

BCH

Phoenix Software (Datalex) Entry Point 90 Data File

BCK

Backup

BCM

MS Works Communications File

BCN

Business Card Pro Design

BCO

Bitstream Fontware File

BCP

Borland C++ Makefile

BCW

Borland C++ 4.5 Environment Settings

BDB

MS Works Dababase File

BDE

Borland Database Engine (embedded in many different programs)

BDF

Backup To CD-RW Backup Definition File

BDF

Egret Data File

BDF

West Point Bridge Designer File

BDF

X11 Bitmap Distribution Format

BDG

Badge Designer 2000 Photo ID

BDR

MS Publisher Border

BEC

Break Even Calculator

BEZ

Bitstream Fontware File

BF

Befunge Program

BF

Brainf*ck Program (small programming language)

BF2

Bradford 2 Font

BFA

Blowfish-encrypted File

BFC

Briefcase File

BFC

Windows 95 Briefcase document

BFF

AIX Backup File Format

BFFM

B17 Flying Fortress Game File

BFL

Colin McRae Rally 2 Data File

BFM

UNIX Font Metrics File

BFX

BitFax Document

BG

MS Backgammon for Windows Game

BGA

OS/2 Graphic Array

BGB

MS Chat Background Graphic

BGI

Borland Graphic Interface

BGL

Flight Simulator Scenery File

BH

PowerArchiver Compressed File

BHF

pcAnywhere Host File

BHTML

BabuHTML Embedded Software File (example use: netMailshar)

BHX

Archive File

BI

Binary Data File

BI

Progress Database Before Image File

BIB

Bibliography

BIB

Papyrus Database

BIB

TeX/BibTeX Literature Database

BIC

Civilization III Scenario

BID

BidMaker 2002 File

BIF

Baldur's Gate Archive

BIF

GroupWise Initialization File

BIF

Image Capture Board Binary Black & White Image

BIF

Planescape: Torment Archive

BIG

Chinese (old version)

BIK

Bink Game Video File

BIK

BioCharter Profile Backup File

BIN

Binary Data File

BIO

BioCharter Profile File

BIO

OS/2 Bios File

BIT

Bitmap Image

BIT

Worms World Party/Armageddon Imported Map

BIZ

Broderbund Print Shop Business Card File

BJF

NTI Backup NOW! File

BK

Backup

BK

JetFax Faxbook File

BK

LinguAssist File

BK

Sometimes used to denote backup versions

BK!

Backup

BK$

Backup

BK$

Sometimes used to denote backup versions

BK?

Backup (Can be 1 to 9, usually with WordPerfect)

BKF

Moto Racer Archive

BKG

Background File (used in many games/programs)

BKG

UWXAFS Binary Format Data File (absorption data on an energy grid which does not need to be evenly spaced)

BKI

Backup Index

BKP

Backup

BKS

An IBM BookManager Read bookshelf

BKS

Bookshelf Backup

BKS

IBM BookManager Read Bookshelf

BKS

MS Works Spreadsheet Backup

BKU

Timeslips Backup

BKW

FontEdit Fontset Mirror Image

BLA

Blat E-mail (command line E-mail tool written for Windows)

BLB

DreamWorks Resource Archive

BLD

BASIC Bload Graphics

BLD

VersaPro Block Build Info

BLEND

Blender 3D File

BLG

Windows Binary Performance Log (W-2000 & W-XP have different formats)

BLK

Alias Wavefront Image

BLK

Lightscape Block Library

BLK

VersaPro Block

BLK

WordPerfect Temp File

BLL

An extension used by the VBS/European-A worm.

BLT

Saved AIM Buddy List File

BLT

Wordperfect for DOS File

BM

Bitmap Graphic

BM1

Apogee BioMenace Data File

BMF

Image File

BMI

Blue Martini Import File (eCRM)

BMI

Buzz Instrument

BMK

An A bookmark file

BMK

Help Bookmark

BMP

Windows or OS/2 Bitmap Graphics

BMS

Backup Magic Backup Set

BMW

Buzz Music File with Waves

BMX

Buzz Music File

BMZ

Demon Stalkers: Raid on Doomfane (old game)

BN

AdLib Instrument Bank

BNK

Adlib Instrument Bank

BNK

Bink Compressed Video/Audio File

BNK

SimCity Game File

BNR

Binary News Reader File

BNSKIN

Beatnik Clock Skin

BOB

BobDown Downloading Program

BOL

MS Booasm Compressed Archive Library

BOM

Orcad Schematic Capture Bill of Materials File

BOM

Softshare Delta Business Object Model

BOO

Book

BOO

Compressed Archive File

BOO

Image File

BOOK

Adobe FrameMaker Book File

BOS

Brotherhood of Steel Compressed File (renamed ZIP file; use any extractor)

BOT

Frogbot Editor (Frog = Quake add-on computer opponent)

BOX

Lemmings Revolution Archive

BOX

Notes Mailbox

BOX

ThrottleBox Multimedia Viewer

BPC

BuildPro File

BPC

Business Plan Toolkit Chart

BPL

Delphi Library

BPS

Bulletproof FTP Settings

BPS

MS Works Document

BPT

Bitmap Master File

BPX

Truevision Targa Bitmap

BQY

BrioQuery File

BR

Bridge Script

BR

The Playa File (link is tentative)

BR3

Bryce 3D Scene File (Bryce made by MetaCreations, changed to Viewpoint, product taken over by Corel)

BR4

Bryce 4 File (Bryce made by MetaCreations, changed to Viewpoint, product taken over by Corel)

BRC

Bryce 2 Scene File (Bryce made by MetaCreations, changed to Viewpoint, product taken over by Corel)

BRD

EAGLE Board File

BRI

Basic Rate Interface File

BRK

Brooktrout Fax-Mail File

BRO

Tree Professional Broadleaf Creator File

BRP

Tree Professional Broadleaf Creator Image

BRS

Corel Paint Classic File

BRU

Brutus Restore File (password cracking)

BRW

Application file associated with financial institution(s) loan applications

BRX

A file for browsing an index of multimedia options (pictures, sound, text, videos) on a CD-ROM

BRX

Multimedia Browsing Index

BRZ

DbBRZ File (Backup or Restore)

BS_

MS 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

MapInfo Sea Chart

BSB

SWAT Sub-basin Output File (river basin scale model)

BSC

Apple II Compressed Archive

BSC

Boyan Script

BSC

Fortran Pwbrmake Object

BSC

MS Developer Studio Browser File

BSC

Source Browser Database

BSK

Bryce 4 File

BSP

Half-life/TFC/CS Map

BSP

Quake Map

BST

BibTeX Style File

BSV

BASIC Bsave Graphics

BTM

4DOS Batch To Memory Batch File

BTM

Batch file used by Norton Utilities

BTN

ButtonWare File

BTO

Baytex Organix! 2001 Language Kit

BTR

Btrieve Database File

BTR

MS Frontpage-related File