TECH-BOOM

ABK
Corel Draw AutoBackup

ACL
Corel Draw 6 keyboard accelerator

ACM
Used by Windows in the system directory

ACP
Microsoft Office Assistant Preview file

ACT
Microsoft Office Assistant Actor file

ACV
OS/2 drivers that compress and decompress audio data

AD
After Dark screensaver

ADB
Appointment database used by HP 100LX organizer

ADD
OS/2 adapter drivers used in the boot process

ADM
After Dark MultiModule screensaver

ADP
Used by FaxWorks to do setup for fax modem interaction

ADR
After Dark Randomizer screensaver

AFM
Adobe font metrics

AF2
ABC Flowchart file

AF3
ABC Flowchart file

AI
Adobe Illustrator drawing

AIF
Apple Mac AIFF sound

ALB
JASC Image Commander album

ALL
Arts & Letters Library

AMS
Velvert Studio music module (MOD) file

ANC
Canon Computer Pattern Maker file that is a selectable list of pattern colors

ANI
Animated Cursor

ANS
ANSI text

API
Application Program Interface file; used by Adobe Acrobat

APR
Lotus Approach 97 file

APS
Microsoft Visual C++ file

ARC
LH ARC (old version) compressed archive

ARJ
Robert Jung ARJ compressed archive

ART
Xara Studio drawing

ART
Canon Crayola art file

ASA
Microsoft Visual InterDev file

ASC
ASCII text

ASD
WinWord AutoSave

ASM
Assembler language source file

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

ASP
Procomm Plus setup and connection script

AST
Claris Works "assistant" file

ATT
AT&T Group 4 bitmap

AVI
Microsoft Video for Windows movie

AWD
FaxView document

BAK
Backup file

BAS
BASIC code

BAT
Batch file

BFC
Windows 95 Briefcase document

BG
Backgammon for Windows game

BI
Binary file

BIF
GroupWise initialization file

BIN
Binary file

BK
Sometimes used to denote backup versions

BK$
Also sometimes used to denote backup versions

BKS
An IBM BookManager Read bookshelf

BMK
An A bookmark file

BMP
Windows or OS/2 bitmap

BM1
Apogee BioMenace data file

BRX
A file for browsing an index of multimedia options

BSP
Quake map

BS1
Apogee Blake Stone data file

BTM
Batch file used by Norton Utilities

B4
Helix Nuts and Bolts file

C
C code

CAB
Microsoft cabinet file (program files compressed for software distribution)

CAL
CALS Compressed Bitmap

CAL
Calendar schedule data

CAS
Comma-delimited ASCII file

CAT
IntelliCharge categorization file used by Quicken

CB
Microsoft clean boot file

CCB
Visual Basic Animated Button configuration

CCF
Multimedia Viewer configuration file used in OS/2

CCH
Corel Chart

CCM
Lotus CC:Mail "box" (for example, INBOX.CCM)

CDA
CD Audio Track

CDF
Microsoft Channel Definition Format file

CDI
Phillips Compact Disk Interactive format

CDR
Core Draw drawing

CDT
Corel Draw template

CDX
Corel Draw compressed drawing

CEL
CIMFast Event Language file

CFB
Comptons Multimedia file

CFG
Configuration file

CGI
Common Gateway Interface script file

CGM
Computer Graphics Metafile

CH
OS/2 configuration file

CHK
File fragments saved by Windows Disk Defragmenter or ScanDisk

CHP
Ventura Publisher chapter

CIL
Clip Gallery download package

CIM
Sim City 200 file

CIN
OS/2 change control file that tracks changes to an INI file

CK1
iD/Apogee Commander Keen 1 data file

CK2
iD/Apogee Commander Keen 2 data file

CK3
iD/Apogee Commander Keen 3 data file

CK4
iD/Apogee Commander Keen 4 data file

CK5
iD/Apogee Commander Keen 5 data file

CK6
iD/Apogee Commander Keen 6 data file

CLASS
Java class

CLP
Windows Clipboard file

CLS
Visual Basic Class Module

CMD
Command file for Windows NT (similar to a DOS .BAT file)

CMD
DOS CP/M command file

CMD
dBase-II program file

CMF
Corel Metafile

CMP
JPEG Bitmap

CMP
Address document

CMV
Corel Move animation

CMX
Corel Presentation Exchange image

CNF
Configuration file used by Telnet, Windows, and other applications

CNM
Windows application menu options and setup file

CNQ
Compuworks Design Shop file

CNT
Windows (or other) system content files for the help index and other purposes

COB
trueSpace2 object

COD
Microsoft C compiler output as displayable assembler with original C as comments

COM
Command file (program)

CPD
Fax Cover document

CPE
Fax Cover document

CPI
Microsoft MS-DOS code page information file

CPL
Control Panel extension

CPL
Corel colour palette

CPP
C++ code

CPR
Corel Presents Presentation

CPT
Corel Photo-Paint image

CPX
Corel Presentation Exchange Compressed drawing

CRD
Cardfile file

CRP
Corel Presents Run-Time Presentation

CRT
Certificate file

CSC
Corel Script

CSP
PC Emcee On-Screen image

CSV
Comma-separated values file

CT
Scitex CT Bitmap

CTL
Used in general to mean a file containing control information.

CUE
Microsoft Cue Cards data

CUR
Windows Cursor

CUT
Dr Halo bitmap

CV
Corel Versions archive

CV
Microsoft CodeView information screen

CWK
Claris Works data file

CWS
Claris Works template

CXX
C++ source code file

DAT
Data file

DAT
WordPerfect Merge Data

DBF
Aston-Tate dBASE database

DBX
DataBeam image

DCR
Shockwave file

DCS
Desktop Color Separation file

DCX
Fax image (based on PCX)

DDF
BTRIEVE database

DEF
SmartWare II data file

DEF
C++ Definition

DER
Certificate file

DIB
Device-Independent Bitmap

DIC
Dictionary

DIF
Data Interchange Format spreadsheet

DIR
Macromedia Director file

DIZ
Description file

DLG
C++ Dialogue Script

DLL
Dynamic-Link Library

DMF
X-Trakker music module (MOD) file

DOC
FrameMaker or FrameBuilder document

DOC
WordStar document

DOC
WordPerfect document

DOC
Microsoft Word document

DOT
Microsoft Word document Template

DPR
Borland Delphi project header file

DRV
Driver

DRW
Micrografx Designer/Draw

DSG
DooM saved game

DSM
Dynamic Studio music module (MOD) file

DSP
Microsoft Developer Studio project

DSQ
Corel QUERY file

DSW
Microsoft Developer Studio workspace

DWG
AutoCAD drawing eXchange format

DXF
AutoDesk Drawing Interchange format

EMF
Enhanced Windows Metafile

ENC
Encore file

EPS
Encapsulated PostScript image

ER1
ERWin file

ERX
ERWin file

EVY
Envoy document

EWL
Microsoft Encarta document

EXE
Executable file (program)

F
FORTRAN file

F77
FORTRAN file

F90
FORTRAN file

FAR
Farandole Composer music module (MOD) file

FAV
Microsoft Outlook navigation bar

FAX
FAX Type image

FH3
Aldus Freehand 3 drawing

FIF
Fractal image file

FITS
CCD camera image

FLC
AutoDesk FLIC animation

FLI
AutoDesk FLIC animation

FLT
Corel filter

FLT
StarTrekker music module (MOD) file

FMB
Oracle binary source code for form, version 4.0 and later

FMT
Oracle text format of form, version 4.0 and later

FMT
Microsoft Schedule+ print file

FMX
Oracle executable form, version 4.0 and later

FOG
Fontographer font

FON
System font

FOR
FORTRAN file

FOT
Font-related file

FP
FileMaker Pro file

FP1
Flying Pigs for Windows data file

FP3
FileMaker Pro file

FPX
FlashPix bitmap

FRM
Form

FRM
FrameMaker or FrameBuilder document

FRM
Oracle executable form version 3.0 and earlier

FRM
Visual Basic form

FRM
WordPerfect Merge form

FRX
Visual Basic form stash file

GAL
Corel Multimedia Manager album

GCP
Ground Control Point file used in image processing of remote sensing data .

GED
Graphic Environment Document (drawing)

GEM
GEM metafile

GEN
Ventura-Generated text file

GFC
Patton&Patton Flowcharting 4 flowchart file

GFI
Genigraphics Graphics Link presentation

GFX
Genigraphics Graphics Link presentation

GID
Windows 95 global index file (containing help status)

GIF
CompuServe bitmap

GIM
Genigraphics Graphics Link presentation

GIX
Genigraphics Graphics Link presentation

GNA
Genigraphics Graphics Link presentation

GNX
Genigraphics Graphics Link presentation

GRA
Microsoft Graph

GRD
Grid file, used in image processing of remote sensing data often to form map projections.

GRP
Program Manager Group

GTK
Graoumftracker (old) music module (MOD) file

GT2
Graoumftracker (new) music module (MOD) file

GWX
Genigraphics Graphics Link presentation

GWZ
Genigraphics Graphics Link pres

H
C program header

HED
HighEdit document

HEL
Microsoft Hellbender saved game

HEX
Macintosh BinHex 2.0 file

HGL
HP Graphics Language drawing

HLP
Help file

HOG
Lucas Arts Dark Forces WAD file

HPJ
Visual Basic Help Project

HPP
C++ program header

HQX
Macintosh BinHex 4.0 file

HST
History file

HT
HyperTerminal

HTM
Hypertext document

HTML
Hypertext document

HTX
Extended HTML template

ICA
Citrix file

ICB
Targa bitmap

ICM
Image Color Matching profile file

ICO
Windows Icon

IDD
MIDI Instrument Definition

IDQ
Internet Data Query file

IFF
Amiga ILBM

IGF
Inset Systems metafile

IIF
QuickBooks for Windows interchange file

IMA
WinImage file

IMG
GEM image

INC
Assembler language or Active Server include file

INF
Information file

INI
Initialization file

INP
Oracle source code for form, version 3.0 and earlier

INS
InstallShield install script

INS
X-Internet sign-up file

ISO
Lists the files on a CD-ROM; based on the ISO 9660 CD-ROM file system standard

ISP
X-Internet sign-up file

ISU
InstallShield uninstall script

IT
Impulse Tracker music module (MOD) file

IW
Idlewild screensaver

JAR
Java ARchive file (a compressed file for applets and related files)

JAVA
Java source code

JBF
Paint Shop Pro image browser file

JFF
JPEG bitmap

JIF
JPEG bitmap

JMP
SAS JMPDiscovery chart-to-statistics file

JN1
Epic MegaGames Jill of the Jungle data file

JPEG
JPEG bitmap

JPG
JPEG bitmap

JS
JavaScript source code

JTF
JPEG bitmap

KDC
Kodak Photo-Enhancer

KFX
KoFax Group 4 image

KYE
Kye game data

LBM
Deluxe Paint bitmap

LDB
Microsoft Access lock file

LEG
Legacy document

LHA
Alternate file suffix for LZH

LIB
Library

LIS
Output file produced by a Structured Query Reporting (SQR) program

LOG
Log file

LPD
Helix Nuts and Bolts file

LRC
Intel Video Phone file

LST
List file

LWO
Lightwave Object file

LWP
Lotus Wordpro 96/97 file

LZH
LH ARC compressed archive

LZS
Skyroads data file

M3D
Corel Motion 3D animation

MAC
MacPaint image

MAD
Microsoft Access module

MAF
Microsoft Access Form

MAK
Visual Basic or MS Visual C++ Project

MAM
Microsoft Access Macro

MAP
Map file

MAP
Duke Nukem 3D WAD game file

MAQ
Microsoft Access Query

MAR
Microsoft Access Report

MAS
Lotus Freelance Graphics Smartmaster file

MAT
Microsoft Access Table

MAX
Paperport file

MAZ
Hover maze data

MB1
Apogee Monster Bash data file

MCC
Dialer10 calling card

MCS
MathCAD image

MCW
Microsoft Word for Macintosh document

MDA
Microsoft Access add-in

MDB
Microsoft Access database

MDE
Microsoft Access MDE file

MDL
Digital Tracker music module (MOD) file

MDL
Quake model file

MDN
Microsoft Access blank database template

MDW
Microsoft Access Workgroup

MDZ
Microsoft Access wizard template

MED
Music Editor, OctaMED music module (MOD) file

MER
Format for interchanging spreadsheet/database data; recognized by Filemaker, Excel, and others

MET
Presentation Manager metafile

MI
Miscellaneous

MIC
Microsoft Image Composer file

MID
MIDI music

MMF
Microsoft Mail File

MMM
Microsoft Multimedia Movie

MOD
FastTracker, StarTrekker, Noise Tracker (etc.) music module file

MOD
Microsoft Multiplan spreadsheet

MOV
QuickTime for Windows movie

MPE
MPEG animation

MPEG
MPEG animation

MPG
MPEG animation

MPP
Microsoft Project file

MPP
CAD drawing file format

MP3
MPEG Audio Layer 3 (AC3) file

MSG
Microsoft Mail message

MSN
Microsoft Network document

MSP
Microsoft Paint bitmap

MTM
MultiTracker music module (MOD) file

MUS
Music

MVB
Microsoft Multimedia Viewer file

MWP
Lotus Wordpro 97 Smartmaster file

NAP
NAP Metafile

NCB
Microsoft Developer Studio file

NSF
Lotus Notes database

NST
Noise Tracker music module (MOD) file

NTF
Lotus Notes database template

OBD
Microsoft Office binder template

OBD
Microsoft Office Binder

OBJ
Object file

OBZ
Microsoft Office Binder Wizard

OCX
Microsoft Object Linking and Embedding custom control

OFN
Microsoft Office FileNew file

OFT
Microsoft Outlook template

OKT
Oktalyzer music module (MOD) file

OLB
OLE Object Library

OLE
OLE object

OPT
Microsoft Developer Studio file

ORG
Lotus Organiser file

OR2
Lotus Organiser 2 file

OR3
Lotus Organiser 97 file

P10
Tektronix Plot 10 drawing

PAB
Microsoft Personal Address Book

PAK
Quake WAD file

PAL
Windows colour palette

PAT
Corel Draw pattern

PBK
Microsoft Phonebook

PBM
Portable Bitmap

PCD
Kodak Photo-CD image

PCL
HP Laserjet bitmap

PCS
PICS animation

PCT
Macintosh PICT drawing

PCX
ZSoft PC Paintbrush bitmap

PDF
Adobe Acrobat Portable Document Format or Netware Printer Definition File

PDF
Package Definition File from Microsoft Systems Management Server

PDQ
Patton&Patton Flowcharting PDQ Lite file

PFA
Type 1 font (ASCII)

PFB
Type 1 font (binary)

PFC
PF Component

PFM
Printer Font Metrics

PGL
HP Plotter drawing

PGM
Portable Graymap (bitmap)

PIC
PC Paint bitmap

PIC
Lotus picture

PIC
Macintosh PICT drawing

PIF
Program Information File

PIF
IBM PIF drawing

PIG
Lucas Arts Dark Forces WAD file

PIN
Epic Pinball data file

PIN
Epic Pinball data file

PIX
Inset Systems bitmap

PJ
MKS Source Integrity file

PKG
Microsoft Developer Studio application extension (similar to a DLL file)

PL
Perl program

PLT
HPGL Plotter drawing

PLT
AutoCAD Plot drawing

PM5
Pagemaker 5.0 file

PM6
Pagemaker 6.0 file

P65
Pagemaker 6.5 file

PNG
Portable Network Graphics bitmap

PNG
Paint Shop Pro Browser catalogue

PNT
MacPaint graphic file

POT
Microsoft PowerPoint Template

PP4
Picture Publisher 4 bitmap

PPA
Microsoft PowerPoint Add-in

PPM
Portable Pixelmap bitmap

PPS
Microsoft PowerPoint slide show

PPT
Microsoft PowerPoint presentation

PRE
Lotus Freelance presentation

PRF
Windows system file

PRN
Print Table (space delimited text)

PRS
Harvard Graphics for Windows presentation

PRZ
Lotus Freelance Graphics 97 file

PS
Postscript Interpreted drawing

PSD
Adobe Photoshop bitmap

PST
Microsoft Outlook Personal Folder File

PTM
Polytracker music module (MOD) file

PUB
Ventura Publisher publication

PUB
Microsoft Publisher document

PWD
Microsoft Pocket Word document

PWZ
Microsoft PowerPoint Wizard

PXL
Microsoft Pocket Excel spreadsheet

QAD
PF QuickArt Document

QBW
QuickBooks for Windows file

QDT
Quick Books data file from the Quicken UK Accountancy/Tax/Invoice program

QLB
Quick Library

QRY
Microsoft Query

QT
QuickTime Movie

QTM
QuickTime Movie

QXD
Quark XPress file

R
Pegasus Mail resource file

RA
Real Audio sound

RAM
Real Audio sound

RAS
Sun Raster Images bitmap

RAW
Raw File Format (bitmap)

RC
Microsoft Visual C++ Resource Script

REC
Recorder macro

REG
Registration file

RES
Microsoft Visual C++ Resource

RFT
RFT-DCA

RLE
Run-Length Encoded bitmap

RM
Real Audio video file

RMI
MIDI music

ROV
Rescue Rover data file

RPT
Microsoft Visual Basic Crystal Reports file

RTF
Rich Text Format document

RTM
Real Tracker music module (MOD) file

SAM
Ami Professional document

SAV
Saved game file

SCC
Microsoft Source Safe file

SCD
Matrix/Imapro SCODL slide image

SCD
Microsoft Schedule+ 7

SCH
Microsoft Schedule+ 1

SCN
trueSpace2 scene

SCP
Dial-Up Networking Script

SCR
Windows screensaver

SCR
Fax image

SCT
Scitex CT bitmap

SC2
Microsoft Schedule+ 7

SDL
SmartDraw library

SDR
SmartDraw drawing

SDT
SmartDraw template

SEA
Self-expanding archive (used by Stuffit for Mac files and possibly by others)

SEP
Tagged Image File Format (TIFF) bitmap

SHB
Corel Show presentation

SHB
Document shortcut file

SHG
Hotspot bitmap

SHS
Shell scrap file

SHW
Corel Show presentation

SIT
Stuffit archive of Mac files

SLK
Symbolic Link (SYLK) spreadsheet

SND
NeXT sound

SND
Mac Sound Resource

SQC
Structured Query Language (SQR) common code file

SQR
Structured Query Language (SQR) program file

STM
Scream Tracker music module (MOD) file

STY
Ventura Publisher style sheet

SVX
Amiga 8SVX sound

SYS
System file

S3M
Scream Tracker 3 music module (MOD) file

TAR
Tape Archive

TAZ
Unix Gzip/Tape Archive

TEX
Texture file

TGA
Targa bitmap

TGZ
Unix Gzip/Tape Archive

THEME
Windows 95 Desktop Theme

THN
Graphics Workshop for Windows thumbnail

TIF
Tag Image File Format (TIFF) bitmap

TIFF
Tag Image File Format (TIFF) bitmap

TIG
Tiger file, used by US government to distribute maps

TLB
OLE Type Library

TMP
Windows temporary file

TRM
Terminal file

TRN
MKS Source Integrity project usage log

TTF
TrueType font

TWF
TabWorks file

TWW
Tagwrite Template

TX8
MS-DOS Text

TXT
Text

T2T
Sonata CAD modelling software file

UDF
Windows NT Uniqueness Database File

ULT
Ultratracker music module (MOD) file

URL
Internet shortcut

USE
MKS Source Integrity file

VBP
Visual Basic Project

VBW
Microsoft Visual Basic workspace

VBX
Visual Basic custom control

VCF
Vevi Configuration File; defines objects for use with Sense8's WorldToolKit

VDA
Targa bitmap

VI
Virtual Instrument file from National Instruments LABView product

VLB
Corel Ventura Library

VOC
Creative Labs Sound Blaster sound

VP
Ventura Publisher publication

VSD
Visio drawing (flow chart or schematic)

VST
Targa bitmap

VSW
Visio Workspace file

VXD
Microsoft Windows virtual device driver

WAD
Large file for Doom game containing video, player level, and other information

WAV
Windows Waveform sound

WB1
QuattroPro for Windows spreadsheet

WB2
QuattroPro for Windows spreadsheet

WBK
Microsoft Word Backup

WBL
Argo WebLoad II upload file

WCM
WordPerfect Macro

WDB
Microsoft Works database

WEB
CorelXara Web document

WGP
Wild Board Games data file

WID
Ventura width table

WIL
WinImage file

WIZ
Microsoft Word Wizard

WK1
Lotus 123 versions 1 & 2 spreadsheet

WK3
Lotus 123 version 3 spreadsheet

WK4
Lotus 123 version 4 spreadsheet

WKS
Lotus 123 Worksheet spreadsheet

WKS
Microsoft Works document

WLF
Argo WebLoad I upload file

WLL
Microsoft Word Add-In

WMF
Windows Metafile

WOW
Grave Composer music module (MOD) file

WP
WordPerfect document

WPW
Novel PerfectWorks document

WP4
WordPerfect 4 document

WP5
WordPerfect 5 document

WP6
WordPerfect 6 document

WPD
WordPerfect Demo

WPD
WordPerfect Document

WPG
WordPerfect Graphic

WPS
Microsoft Works document

WPT
WordPerfect Template

WQ1
QuattroPro/DOS spreadsheet

WQ2
QuattroPro/DOS version 5 spreadsheet

WRI
Write document

WRL
Virtual Reality model

WS1
WordStar for Windows 1 document

WS2
WordStar for Windows 2 document

WS3
WordStar for Windows 3 document

WS4
WordStar for Windows 4 document

WS5
WordStar for Windows 5 document

WS6
WordStar for Windows 6 document

WS7
WordStar for Windows 7 document

WSD
WordStar 2000 document

WVL
Wavelet Compressed Bitmap

XAR
Corel Xara drawing

XLA
Microsoft Excel add-in

XLB
Microsoft Excel toolbar

XLC
Microsoft Excel chart

XLD
Microsoft Excel dialogue

XLK
Microsoft Excel backup

XLM
Microsoft Excel macro

XLS
Microsoft Excel worksheet

XLT
Microsoft Excel template

XLV
Microsoft Excel VBA module

XLW
Microsoft Excel workbook / workspace

XM
FastTracker 2, Digital Tracker music module (MOD) file

XR1
Epic MegaGames Xargon data file

XTP
XTree data file

XY3
XYWrite III document

XY4
XYWrite IV document

XYP
XYWrite III Plus document

XYW
XYWrite for Windows 4.0 document

YAL
Arts & Letters clipart library

YBK
Microsoft Encarta Yearbook

Z
Unix Gzip

ZIP
Zip file

ZOO
An early compressed file format

000-999
Used to number old versions of files and number related data files

12M
Lotus 123 97 Smartmaster file

123
Lotus 123 97 file

2GR and 3GR
VGA Graphics driver/configuration files under Windows

386
A file for use in an 80386 or higher microprocessor

669
Composer 669, Unis Composer music mod file

#01 and higher
A method of numbering picture files for a roll of film that has been scanned

$$$
Used by OS/2 to keep track of archived files

@@@
Screen files used in the installation and instruction on use of applications