هنا تستطيع معرفة إمدادات جميع الملفات التي يتعامل معها الحاسب والبرامج المشغلة لها لحل مشكلة ( فتح بواسطة …)  

A

A3L

Authorware 3.x library file

A4L

Authorware 4.x library file

A5L

Authorware 5.x library file

A

Object code library

AAM

Authorware shocked file

AAS

Authorware shocked packet

ABF

Adobe Binary Screen Font

ABK

Corel Draw AutoBackup

ABS

Sometimes used to denote an abstract (as in an abstract or summary of a scientific paper) AutoBackup

ACE

Compression format associated with a program called The Ace Archiver

ACL

Corel Draw 6 keyboard accelerator

ACM

Windows system directory file

ACP

Microsoft Office Assistant Preview file

ACR

American College of Radiology file format

ACT

Microsoft Office Assistant Actor file

ACV

OS/2 drivers that compress and decompress audio data

AD

After Dark screensaver

ADA

Ada source text (non-GNAT)

ADB

Ada source text body (GNAT)

ADB

Appointment database used by HP 100LX organizer

ADD

OS/2 adapter drivers used in the boot process

ADF

Amiga disk file

ADI

AutoCAD device-independent binary plotter format

ADM

After Dark MultiModule screensaver

ADM

Windows NT policy template

ADP

Used by FaxWorks to do setup for fax modem interaction

ADP

Astound Dynamite file

ADR

After Dark Randomizer screensaver

ADR

Smart Address address book

ADS

Ada source text specification (GNAT)

AFM

Adobe font metrics

AF2

ABC Flowchart file

AF3

ABC Flowchart file

AI

Adobe Illustrator drawing

AIF, AIFF

Audio Interchange File, a sound format used by Silicon Graphics and Macintosh applications

AIFC

Similar to AIF (compressed)

AIFF

Similar to AIF

AIM

AOL Instant Messenger Launch

AIS

ACDSee Image Sequence file

AIS

Velvet Studio Instruments

AKW

Contains all A-keywords in the RoboHELP Help project Index Designer not associated with topics

ALAW

European telephony format audio

ALB

JASC Image Commander album

ALL

Arts & Letters Library

AMS

Velvet Studio music module (MOD) file

AMS

Extreme's Tracker module format

ANC

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

ANI

Animated cursor in a Microsoft Windows system

ANS

ANSI text file

ANT

SimAnt for Windows saved game file

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

ARI

Aristotle audio file

ARJ

Robert Jung ARJ compressed archive

ART

Xara Studio drawing

ART

Canon Crayola art file

ART

Clip Art file format

ART

Another Ray Tracer format

ART

Used by AOL to designate files compressed using the Johson-Grace compreession algorithm

ASA

Microsoft Visual InterDev file

ASC

ASCII text

ASC

PGP armored encrypted file

ASD

WinWord AutoSave

ASD

Microsoft Advanced Streaming Format (ASF) description file; opens with NSREX

ASE

Velvet Studio sample

ASF

Microsoft Advanced Streaming Format file

ASM

Assembler language source file

ASM

Pro/E assembly file

ASO

Astound Dynamite Objects

ASP

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

ASP

Procomm Plus setup and connection script

ASP

Astound Presentation file

AST

Astound multimedia file

AST

Claris Works "assistant" file

ASV

DataCAD Autosave file

ASX

Cheyenne Backup script

ASX

Microsoft Advanced Streaming Redirector file

ASX

Video file

ATT

AT&T Group 4 bitmap

ATW

AnyTime Deluxe for Windows personal information manager file from Individual Software MultiModule screensaver

AU

Sun/NeXT/DEC/UNIX sound file

AU

Audio U-law (pronounced mu-law) file format

AVB

Inculan Anti-Virus virus infected file

AVI

Microsoft Audio Video Interleaved file format for Windows movie

AVR

Audio Visual Research file format

AVS

Application Visualization System format

AWD

FaxView document

AWR

Telsis file extension format for digitally stored audio.

AXX

ARJ compressed files from a multi-volume archive (xx = a number from 01 to 99)

A3M

unpackaged Authorware MacIntosh file

A4M

unpackaged Authorware MacIntosh file

A4P

Authorware file packaged without runtime

A3W

unpackaged Authorware windows file

A4W

unpackaged Authorware windows file

A5W

unpackaged Authorware windows file

B

BAK

Backup file

BAS

BASIC source code

BAT

Batch file

BDF

extension for a program called West Point Bridge Designer

BFC

Windows 95 Briefcase document

BG

Backgammon for Windows game

BGL

from Microsoft concerning scenery files from the well known Flight Simulator

BI

Binary file

BIF

GroupWise initialization file

BIFF

XLITE 3D file format

BIN

Binary file

BK and BK$

Sometimes used to denote backup versions

BKS

An IBM BookManager Read bookshelf

BMK

A bookmark file

BMP

Windows or OS/2 bitmap

BM1

Apogee BioMenace data file

BOOK

Adobe FrameMaker Book

BOX

A mailbox in Lotus Notes

BPL

Borland Delphi 4 packed library

BQY

BrioQuery file

BRX

A file for browsing an index of multimedia options

BSC

MS Developer Studio (MSDev) browser informatio file

BSP

Quake map

BS1

Apogee Blake Stone data file

BS_

Microsoft Bookshelf Find Menu shell extension

BTM

Batch file used by Norton Utilities

BUD

Backup disk for Quicken

BUN

CakeWalk Audio Bundle file (a MIDI program)

BW

SGI Black and White image file

BWV

Business Wave file

BYU

A file in a Movie BYU format

B4

Helix Nuts and Bolts file

C

C

C code

C01

Typhoon wave files

CAB

Microsoft cabinet file (program files compressed for software distribution)

CAD

used by the drafting program "Drafix Cad">by Softdesk

CAL

CALS Compressed Bitmap

CAL

Calendar schedule data

CAM

Casio camera format

CAP

Compressed music file format

CAS

Comma-delimited ASCII file

CAT

IntelliCharge categorization file used by Quicken

CB

Microsoft clean boot file

CBI

Column binary formatted file (used in IBM mainframe systems)

CC

Visual dBASE custom class file

CCA

cc:mail 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)

CCO

CyberChat data file

CCT

Macromedia Director Shockwave cast

CDA

CD Audio Track

CDF

Microsoft Channel Definition Format file

CDI

Phillips Compact Disk Interactive format

CDM

Visual dBASE custom data module file

CDR

Corel Draw drawing

CDR

Raw Audio-CD data

CDT

Corel Draw template

CDX

Corel Draw compressed drawing

CDX

Microsoft's Visual FoxPro index

CEL

CIMFast Event Language file

CER

Certificate file (MIME x-x509-ca-cert)

CFB

Comptons Multimedia file

CFG

Configuration file

CFM

ColdFusion template files

CFM

Visual dBASE Windows customer form

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

CHM

Compiled HTML file

CHR

Character Sets (Font files)

CHP

Ventura Publisher chapter

CHT

ChartViewer file

CHT

Harvard Graphics vector file

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

CLL

Crick Software Clicker File

CLP

Windows Clipboard file

CLS

Visual Basic Class Module

CMD

Command file for Windows NT (similar to a DOS .BAT file), OS/2

CMD

DOS CP/M command file

CMD

dBase-II program file

CMF

Corel Metafile

CMG

Chessmaster saved game

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 with varying internal formats

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 machine language/assembler with original C as comments

COM

Command file (program)

CPD

Corel PrintOffice file (drawing)

CPD

Fax Cover document

CPE

Fax Cover document

CPI

Microsoft MS-DOS code page information file

CPL

Control Panel extension

CPL

Corel color palette

CPO

Corel Print House file

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

CRP

Visual dBASE custom report file

CRT

Certificate file

CSC

Corel script

CSP

PC Emcee On-Screen image

CSS

Cascading Style Sheet file (MIME)

CST

Macromedia Director "Cast" (resource) file

CSV

Comma-separated values file

CT

Scitex CT Bitmap

CT

A graphic file associated with the Paint Shop Pro Graphic Editor

CTL

Used in general to mean a file containing control information. FAXWorks uses it to keep information about each fax sent and received.

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

CXT

Macromedia Director protected (not editable) "Cast" (resource) file

CXX

C++ source code file

D

DAT

Data file DAT

WordPerfect Merge Data DAT

Extension used for some MPEG formats DB

Borderland's Paradox 7 tables DBC

Microsoft's Visual FoxPro database container file DBF

A dBASE file, a format originated by Ashton-Tate, but understood by Act!, Clipper, FoxPro, Arago, Wordtech, xBase, and similar database or database-related products. DBF

Enable database file (can be opened with Excel 97) DBF

Oracle 8.1.x tablespace file DBX

DataBeam image DBX

Microsoft's Visual Foxpro Table DCM

DCM module format DCR

Shockwave file DCS

Desktop Color Separation file DCT

Microsoft's Visual FoxPro database container DCU

Delphi compiled unit file DCX

Microsoft's Visual FoxPro database container DCX

Fax image (based on PCX) DCX

Macros DC5

DataCAD Drawing files DDF

Btrieve or Xtrieve Data Definition File, which contains metadata describing a Btrieve or Xtrieve file DDIF

Digital Equipment or Compaq format. Used for storing images and their word processing documents DEF

SmartWare II data file DEF

C++ definition DEFI

Oracle 7 de-install script DEM

A file with USGS standards for Digital Elevation Models DER

Certificate file DEWF

Macintosh SoundCap/SoundEdit recorded instrument format DGN

Microstation95 CAD drawing file DIB

Device-independent bitmap DIC

Dictionary DIF

Data Interchange Format spreadsheet DIG

Digilink format DIG

Sound Designer I audio file DIR

Macromedia Director file DIZ

Description file DLG

C++ Dialogue Script DLS

Downloadable sound DLL

Dynamic-link library DMD

Visual dBASE data module file DMF

X-Trakker music module (MOD) file DOC

FrameMaker or FrameBuilder document DOC

WordStar document DOC

WordPerfect document DOC

Microsoft Word document DOC

DisplayWrite document DOT

Microsoft Word document template DPL

Borland Delphi 3 packed library DPR

Borland Delphi project header file DRAW

Acorn's object-based vector image file DRV

Driver DRW

Micrografx Designer/Draw DRW

Pro/E drawing file DSF

Micrografx Designer v7.x DSG

DooM saved game DSM

Dynamic Studio music module (MOD) file DSP

Microsoft Developer Studio project DSQ

Corel QUERY file DST

Embroidery machines graphics file DSW

Microsoft Developer Studio workspace DTA

World Bank's STARS data file DTD

SGML Document Type Definition (DTD) file DTED

Digital terrain elevation data (geographic data format) DTM

DigiTrakker module DTF

Symantec Q&A relational database data file DUN

Microsoft Dial-up Networking Export file DV

Digital video file (MIME) DWD

DiamondWare digitized file DWG

Autocad Drawing files DWG

AutoCAD drawing, or older Generic CADD drawing format DXF

Drawing Interchange (eXchange) format,a text representation of the binary DWG format DXF

Data Exchange File DXR

Macromedia Director protected (not editable) movie file D64

Commodore 64 emulator disk image file

E

EDA

Ensoniq ASR disk image

EDE

Ensoniq EPS disk image

EDD

Element Definition Document (FrameMaker+SGML documents)

EDK

Ensoniq KT disk image

EDQ

Ensoniq SQ1/SQ2/KS32 disk image

EDS

Ensoniq SQ80 disk image

EDV

Ensoniq VFX-SD disk image

EFA

Ensoniq ASR file

EFE

Ensoniq EPS file

EFK

Ensoniq KT file

EFQ

Ensoniq SQ1/SQ2/KS32 file

EFS

Ensoniq SQ80 file

EFV

Ensoniq VFX-SD file

EMD

ABT Extended MoDule

EMF

Enhanced Windows Metafile

EML

Microsoft Outlook Express mail message (MIME RFC 822)

ENC

Encore file

ENFF

Neutral File Format extension

EPHTML

Enhanced Perl-parsed HTML

EPS

Encapsulated PostScript image

EPSF

Encapsulated PostScript Files

ER1

ERWin file

ERR

Stores the error messages that result when the RoboHELP Help Compiler attempts to compile the source files of a Help system

ERX

ERWin file

ESPS

ESPS audio files

EUI

Ensoniq ESP family compacted disk image

EVY

Envoy document

EWL

Microsoft Encarta document

EXC

Microsoft Word Exclusion Dictionary

EXE

Executable file (program)

F

F

FORTRAN file F2R

Farandoyle linear module format F3R

Farandoyle blocked linear module format F77

FORTRAN file F90

FORTRAN file FAR

Farandole Composer music module (MOD) file FAV

Microsoft Outlook navigation bar FAX

FAX Type image FBK

Navison Financials Backup FCD

Virtual CDROM FDB

Navison Financials Database FDF

Adobe Acrobat Forms Document file FEM

CADRE Finite Element Mesh file FFA

MS fast find file FFF

GUS PnP bank file format FFL

MS fast find file FFO

MS fast find file FFT

Final Form Text (part of IBM's DCA) FFX

MS fast find file FH3

Aldus Freehand 3 drawing FIF

Fractal image file FIG

A file format used by REND386/AVRIL FITS

CCD camera image FITS

Flexible Image Transport System FLA

Macromidia Flash movie FLC

AutoDesk FLIC animation FLF

Corel Paradox Delived form FLF

Navison Financials License file FLI

AutoDesk FLIC animation FLT

Corel filter FLF

An OS/2 driver file FLT

StarTrekker music module (MOD) file FLT

A file format use in MulitGen Inc.'s Open Flight FM

Adobe FrameMaker Document FMB

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

File Mirror List (GetRight) 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 FND

Microsoft Explorer Saved Search file (Find applet) FNG

Font group file (Font Navigator) FNK

FunkTracker module format 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 FPT

FileMaker Pro file FPT

Microsoft FoxPro memo fields 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 FRM

Datacad Symbol Report file FRX

Visual Basic form stash file FRX

Microsoft FoxPro report file FRT

Mirosoft FoxPro report file FSF

fPrint Audit Tool file format FSL

Borderland's Paradox 7 forms FSL

Corel Paradox Saved form FSM

Farandoyle Sample format FT

Lotus Notes Full Text index FTG

Full-text Search Group file resulting from using Find in the Windows Help system. Can be erased; will be rebuilt when needed. FTS

Full-Text Search index file resulting from using Find in the Windows help system

Can be erased; will be rebuilt when needed

FW2

Framework II FW3

Framework III file FW4

Framework IV file FXP

Microsoft FoxPro compiled source file FZB

Casio FZ-1 Bank dump FZF

Casio FZ-1 Full dump FZV

Casio FZ-1 Voice dump

G

G721

Raw CCITT G.721 $bit ADPCM format data

G723

Raw CCITT G.723 3 or 5bit ADPCM format data

GAL

Corel Multimedia Manager album

GCD

Generic (TM) CADD drawing (later versions)

GCP

Ground Control Point file used in image processing of remote sensing data often to form map projections. CHIPS (CopenHagen Image Processing System) uses these files.

GDB

InterBase database file

GDM

Bells, whistles, and sound boards module format

GED

GEDCOM genealogical data file, a popular format for recording and exchanging genealogical data

GED

Graphic Environment Document (drawing)

GEM

GEM metafile

GEN

Ventura-Generated text file

GetRight

GetRight Unfinished-Download 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

GKH

Ensoniq EPS family disk image file

GKS

Gravis GripKey document

GL

An animation format

GNA

Genigraphics Graphics Link presentation

GNT

Generated Code, an executable code in a Micro Focus proprietary format

GNX

Genigraphics Graphics Link presentation

GRA

Microsoft Graph

GRD

Grid file, used in image processing of remote sensing data often to form map projections. CHIPS (CopenHagen Image Processing System) uses these files

GRF

Grapher (Golden Software) graph file

GRP

Program Manager Group

GSM

Raw GSM 6.10 audio stream

GSM

Raw 'byte aligned' GSM 6.10 audio stream

GSM

US Robotics voice modums GSM w.o. header/VoiceGuide/RapidComm

GSM

US Robotics voice modums GSM w. header/QuickLink

GTK

Graoumftracker (old) music module (MOD) file

GT2

Graoumftracker (new) music module (MOD) file

GWX

Genigraphics Graphics Link presentation

GWZ

Genigraphics Graphics Link presentation

GZ

Unix Gzip compressed file

H

H

C program header

HCM

IBM HCM configuration file

HCOM

Sound Tools HCOM format

HCR

IBM HCD/HCM production configuration file

HDF

National Center for Supercomputing Applications (NCSA) geospatial Hierarchical Data Format file

HED

HighEdit document

HEL

Microsoft Hellbender saved game

HEX

Macintosh BinHex 2.0 file

HGL

HP Graphics Language drawing

HH

Map file. Contains topic IDs and map numbers for each of the topics in a Help system. Allows the running application to send the user the appropriate context-sensitive help topic

HLP

Help file

HLP

DataCAD Windows 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

HTT

Microsoft Hypertext Template

HTX

Extended HTML template

HXM

Descent2 HAM file extension

I

ICA

Citrix file ICB

Targa bitmap ICC

Kodak printer format ICL

Icon Library file (an industry standard) ICM

Image Color Matching profile file ICO

Windows Icon IDB

MSDev 'intermediate' file IDD

MIDI Instrument Definition IDF

MIDI Instrument Definition (Windows 95 required file) IDQ

Internet Data Query file IDX

Microsoft FoxPro relational database index file IDX

Symantec Q&A relational database index file IDX

Microsoft Outlook Express file IFF

Interchange Format Files, Amiga ILBM IGES

Initial Graphics Exchange Specification file IGF

Inset Systems metafile IIF

QuickBooks for Windows interchange file ILBM

A bitmap (graphic image) file IMA

WinImage file IMG

GEM image INC

Assembler language or Active Server include file INF

Information file INI

Initialization file INI

MWave DSP synth's mwsynth.ini GM-setup INI

Gravis UltraSound bank setup INP

Oracle source code for form, version 3.0 and earlier INRS

INRS-Telecommunications audio INS

InstallShield install script INS

X-Internet sign-up file INS

Ensoniq EPS family instrument INS

Sample Cell/II MAC/PC instruments INT

Intermediate Code, an executable code produced when a source program is syntax-checked IOF

Findit document IQY

Microsoft Internet Inquiry 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 IST

Digitaltracker instrument file ISU

InstallShield uninstall script IT

Impulse Tracker music module (MOD) file ITI

Impulse Tracker instrument ITS

Impulse Tracker sample ITS

Internet document set (possibly a Microsoft file) IV

A file format used in Open Inventor IVD

Beyond 20/20 microdata dimension or variable-level file IVP

Beyond 20/20 user subset profile file IVT

Beyond 20/20 table or aggregate data file IVX

Beyond 20/20 microdata directory file

http://www3.ivation.com

IW

Idlewild screensaver IWC

Install Watch document

J

J62

Ricoh camera format

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 file

JIF

JPEG file

JFIF

JPEG file

JMP

SAS JMPDiscovery chart-to-statistics file

JN1

Epic MegaGames Jill of the Jungle data file

JPE

JPEG file

JPEG

JPEG compressed bitmap

JPG

JPEG bitmap

JS

JavaScript source code

JSP

A HTML page containing a reference to a Java servlet

JTF

JPEG bitmap

K25

Kurzweil 2500 sample

KAR

Karaoke MIDI file (text+MIDI)

KDC

Kodak Photo-Enhancer

KEY

DataCAD Icon toolbar file

KFX

KoFax Group 4 image

KIZ

Kodak digital postcard files

KKW

Contains all K-keywords in the RoboHELP Help project Index Designer not associated with topics

KMP

Korg Trinity KeyMaP file

KQP

Konica camera native files

KR1

Kurzweil 2000 sample (multi-floppy)

KRZ

Kurzweil 2000 sample

KSF

Korg Trinity Sample File

KYE

Kye game data

L

LAB

Visual dBASE label file

LBM

Deluxe Paint bitmap

LBT

Microsoft FoxPro labels

LBX

Microsoft FoxPro labels

LDB

Microsoft Access lock file

LDL

Corel Paradox Delivered library

LEG

Legacy document

LES

Logitech Entertainment system game profiles (same as REG file)

LFT

3D Studio (DOS) loft file

LGO

Paintbrush logo file

LHA

Alternate file suffix for LZH

LIB

Library

LIN

DataCAD Line type file

LIS

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

LLX

Laplink Exchange Agent

LNK

Windows shortcut file

LOG

Log file

LPD

Helix Nuts and Bolts file

LRC

Intel Video Phone file

LSL

Corel Paradox Saved library

LSP

AutoLISP, CommonLISP, and othe LISP language files

LST

List file

LU

ThoughtWing Library Unit file

LVL

Parallax Software's Miner Descent/D2 Level Extension

LWLO

Lightwave Layered Object file

LWOB

Lightwave Object file

LWP

Lotus Wordpro 96/97 file

LWSC

Lightwave Scene file

LYR

DataCAD Layer file

LZH

LH ARC compressed archive

LZS

Skyroads data file

M

M1V

MPEG-related file (MIME type 'mpeg') M3D

Corel Motion 3D animation M3U

MPEG URL (MIME audio file) MAT

Matlab variables binary file MAC

MacPaint image MAD

Microsoft Access module MAF

Microsoft Access Form MAG

A graphics file format found in some Japanese files MAGIC

Magic Mail Monitor configuration file MAK

Visual Basic or MS Visual C++ Project MAM

Microsoft Access Macro MAN

Unix Manual page output 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 MAUD

MAUD sample format MAX

KINETIX's 3D Studio MAX file format for a 3D scene MAX

Paperport file MAX

OrCAD layout file MAZ

Hover maze data MAZ

A file format use by Division's dVS/dVISE MB1

Apogee Monster Bash data file MBOX

Berkeley Unix mailbox format MBX

Extension Microsoft Outlook adds to saved email, Eudora mailboxes MCC

Dialer10 calling card MCC

Dialer10 calling card MCP

metrowerks CodeWarrior project file MCR

DataCAD Keyboard macro file MCW

Microsoft Word for Macintosh document MDA

Microsoft Access add-in MDA

Microsoft Access workgroup for version 2 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 MFG

Pro/ENGINEER manufacturing file MGF

A file in a Materials and Geometry Format MHTM

MHTML document (MIME) MHTML

MHTML document (MIME) MI

Miscellaneous MIC

Microsoft Image Composer file MID

MIDI music MIF

Adobe FrameMaker Interchange Format MIFF

Machine Independent Format File MIM

A multipart file in the Multi-Purpose Internet Mail Extensions (MIME) format; often created as the result of sending e-mail with attachments in AOL. The files in a multipart MIM file can be "opened" (unarchived and separated into individual files) using Winzip or a similar program. MIME

See MIM. MLI

A file in 3D Studio's Material-Library format MME

A multipart file in the Multi-Purpose Internet Mail Extensions (MIME) format; often created as the result of sending e-mail with attachments in AOL. The files in a multipart MME file can be "opened" (unarchived and separated into individual files) using Winzip or a similar program. MMF

Meal Master Format, a recipe catologing format MMF

Microsoft Mail File MMG

Beyond 20/20 table or aggregate data file

http://www3.ivation.com

MMM

Microsoft Multimedia Movie MMP

Mindmapor MindManager file MN2

Descent2 Mission File MND, MNI

Mandelbrot for Windows MNG

Multi-image Network Graphics MNT

Microsoft FoxPro menus MNU

Visual dBASE menu file MNU

Intertel Systems Interact menu file MNX

Microsoft FoxPro menus MOD

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

Microsoft Multiplan spreadsheet MOD

Amiga/PC tracker module MOV

QuickTime for Windows movie MP2

MPEG Audio Layer 2 MP3

MPEG Audio Layer 3 (AC3) MPA

MPEG-related file (MIME type 'mpeg') MPE

MPEG animation MPEG

MPEG animation MPG

MPEG animation MPP

Microsoft Project file MPP

CAD drawing file format MPR

Microsoft FoxPro menus (compiled) MP2

MPEG Audio Layer 2 file (MIME video file) MP3

MPEG Audio Layer 3 (AC3) file MRI

MRI Scan MSA

Magic Shadow Archive MSDL

Manchesters Scene Description Language MSG

Microsoft Mail message MSI

Windows Installer package MSN

Microsoft Network document MSN

Descent Mission File MSP

Microsoft Paint bitmap MSP

Windows Installer patch file MST

Windows Installer transform MTM

MultiTracker music module (MOD) file MUL

Online game called Ultima online MUS

Music MUS10

Mus10 audio MVB

Microsoft Multimedia Viewer file MWP

Lotus Wordpro 97 Smartmaster file

N

NAN

Nanoscope files (Raw Grayscale) NAP

NAP Metafile

Vector image

netCDF

network Common Data Form NCB

Microsoft Developer Studio file NCD

Norton Change Directory NCF

Netware Command File NCF

Lotus Notes internal clipboard NDO

3D low-polygon modeler, Nendo NFF

Neutral File Format NFT

NetObject Fusion template file NIL

Norton Icon Library file (EasyIcons-compatible) NIST

NIST Sphere audio NLB

Oracle 7 data NLM

Netware Loadable Module NLS

National Language Support file used for localization (for example, by Uniscape) NLU

Norton Live Update E-Mail Trigger file NOD

NetObject Fusion file NSF

Lotus Notes database NSO

NetObject Fusion document file NST

Noise Tracker music module (MOD) file NS2

Lotus Notes database (version 2) NTF

Lotus Notes database template NTX

CA-Clipper index file NWC

Noteworthy Composer song file NWS

Microsoft OutlookExpress news message (MIME RFC822)

O

O01

Typhoon voice file

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

ODS

Microsoft Outlook Express mailbox file (?)

OFF

3D mesh Object File Format

OFN

Microsoft Office FileNew file

OFT

Microsoft Outlook template

OKT

Oktalyzer music module (MOD) file

OLB

OLE Object Library

OLE

OLE object

OOGL

Object Oriented Graphics Library

OPL

Organiser Programming Language source file - Psion/Symbian

OPO

OPL output executable file

OPT

Microsoft Developer Studio file

OPX

OPL extension DLL

ORC

Oracle 7 script

ORG

Lotus Organiser file

OR2

Lotus Organiser 2 file

OR3

Lotus Organiser 97 file

ORA

Oracle 7 configuration

OSS

Microsoft Office Search file

OST

Microsoft Exchange/Outlook Offline file

OTL

Super NoteTab template file (Fookes)

OUT

C language output file

P

P3

Primavera Project Planner file

http://www.primavera.com/

P10

Tektronix Plot 10 drawing P65

Pagemaker 6.5 file P7C

Digital ID file (MIME) PAB

Microsoft Personal Address Book PAC

SB Studio II package PAK

Quake WAD file PAL

A compressed file PAS

Pascal source code (Borland) PAT

DataCAD Hatch pattern file PAT

Corel Draw pattern PAT

Advanced Gravis Ultrasound/Forte tech. Patch PBD

PowerBuilder Dynamic library, an alternative to a native DLL PBF

Turtle Beach Pinnacle Bank File PBK

Microsoft Phonebook PBL

PowerBuilder Library used in the PowerBuilder development environment PBM

Portable bitmap PBR

PowerBuilder Resource PCD

Kodak Photo-CD image PCD

P-Code compiled test scripts as in Microsoft Tst and Microsoft Visual Test PCE

Maps Eudora mailbox names to DOS filenames PCL

Hewlett-Packard Printer Control Language file (printer-ready bitmap) PCM

Audio file format PCM

OKI MSM6376 synth chip PCM format PCP

Symantec Live Update Pro file PCS

PICS animation PCT

Macintosh PICT drawing PCX

ZSoft PC Paintbrush bitmap PDB

3Com Palmpilot database file PDD

Graphic image that can be opened with Paint Shop Pro and possibly other image software PDF

Adobe Acrobat Portable Document Format file (displayable with a Web browser) PDF

Microsoft Systems Management Server Package Definition File

Verifies installed packages when performing an inventory scan of a client

PDF

Netware Printer Definition File PDP

Broderbund's Print Shop Deluxe file PDQ

Patton&Patton Flowcharting PDQ Lite file PDS

Photographic image file (origin not yet identified) PF

Aladdin Systems Private Files encrypted 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) PGP

PGP encrypted file PH

Temporary file generated by Microsoft Help Compiler PHP

HTML page that includes a PHP script PHP3

HTML page that includes a PHP script PHTML

HTML page that includes a PHP script PHTML

Perl-parsed HTML PIC

PC Paint bitmap PIC

Lotus picture PIC

Macintosh PICT drawing PICT

Mac PICT image file 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 PJX

Microsoft's Visual Foxpro Project PJT

Microsoft's Visual Foxpro Project PKG

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

PGP Public Keyring PL

Perl program PLG

A file format use by REND386/AVRIL PLI

Oracle 7 data description PLM

DisorderTracker2 module PLS

DisorderTracker2 sample PLS

MPEG PLayList file (used by WinAmp) PLT

HPGL Plotter drawing PLT

AutoCAD Plot drawing PLT

Gerber sign-making software PM5

Pagemaker 5.0 file PM6

Pagemaker 6.0 file PNG

Portable Network Graphics bitmap PNG

Paint Shop Pro Browser catalogue PNT

MacPaint graphic file PNTG

Same as PNT file POG

Descent2 PIG file extension POL

Windows NT Policy file POP

Visual dBASE popup file POT

Microsoft PowerPoint Template POV

Persistence of Vision ray-tracer PP4

Picture Publisher 4 bitmap PPA

Microsoft PowerPoint Add-in PPF

Turtle Beach Pinnacle Program File PPM

Portable Pixelmap bitmap PPP

Parson Power Publisher PPP

Serif PagePlus desktop publishing default output PPS

Microsoft PowerPoint slide show PPT

Microsoft PowerPoint presentation PRC

3Com Palmpilot resource (text or program) file PRE

Lotus Freelance presentation PRF

Windows system file PRF

Macromedia Director settings file PRG

dBase, Clipper, and FoxPro program source files PRG

WAVmaker program PRJ

3d Studio (DOS) project file PRN

Print Table (space delimited text) PRN

DataCAD Windows Printer file PRP

Oberon's Prospero data conversion product saved project file PRS

Harvard Graphics for Windows presentation PRT

A print-formatted file PRT

Pro/ENGINEER part file PRV

A PsiMail Internet provider template file

http://ourworld.compuserve.com/homepages/Jochen_Siegenthaler/prvfmt.txt

PRZ

Lotus Freelance Graphics 97 file PS

Postscript-formatted file (a Postscript printer-ready file) PSB

Pinnacle Sound Bank PSD

Adobe Photoshop bitmap PSI

PSION a-law audio PSM

Protracker Studio Module format PSM

Sound data for Epic's games PSP

Paintshop Pro image file PST

Microsoft Outlook Personal Folder File PTD

Pro/ENGINEER table file PTM

Polytracker music module (MOD) file PUB

Ventura Publisher publication PUB

Microsoft Publisher document PWD

Microsoft Pocket Word document PWL

Windows 95 password list file PWP

Photoworks image file (a roll of file that can be viewed using Photoworks) PWZ

Microsoft PowerPoint Wizard PXL

Microsoft Pocket Excel spreadsheet PY

Save emessages from Yahoo PY

Python script file PYC

Python script file

Q

QAD

PF QuickArt Document

QBW

QuickBooks for Windows file

QDT

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

QD3D

Apple's QuickDraw 3D Metafile format

QFL

FAMILY LAWYER document

QIC

Microsoft Backup file

QIF

QuickTime-related image (MIME)

QIF

Quicken Import File

QLB

Quick Library

QM

Quality Motion file

QRY

Microsoft Query

QST

Quake Spy Tab file

QT

QuickTime Movie

QTI

QuickTime-related image

QTIF

QuickTime-related image

QTM

QuickTime Movie

QTP

QuickTime Preferences file

QTS

Mac PICT image file

QTS

QuickTime-related image

QTX

QuickTime-related image

QW

Symantec Q&A Write program file

QXD

Quark XPress file

R

R

Pegasus Mail resource file

RA

Real Audio sound

RAM

RealAudio metafile

RAR

RAR compressed archive (Eugene Roshall's format)

RAS

Sun Raster Images bitmap

RAW

Raw File Format (bitmap)

RAW

Raw signed PCM data

RAW

Raw signed PCM data

RBH

Maintained by RoboHELP, the RBH file adds to the information contained in the Help project file

RDF

Resource Description Framework file (related to XML and metadata)

RDL

Descent Registered Level

REC

Recorder macro

REC

RapidComm voice file

REG

Registration file

REP

Visual dBASE report file

RES

Microsoft Visual C++ Resource

RGB, SGI

Silicon Graphics RGB files

RFT

Revisable Form Text (part of IBM's DCA or Document Content Architecture)

RLE

Run-Length Encoded bitmap

RL2

Descent2 Registered Level

RM

Real Audio video file

RMD

Microsoft RegMaid document

RMF

Rich Map Format (used by 3-D game editors to store a map)

RMI

MIDI music

ROM

Cartridge-based home video game emulator file (exact copy of ROM contents in cartridges from Atari 2600, Colecovision, Sega, Nintendo, etc.; not interchangeable between emulators)

ROV

Rescue Rover data file

RPM

RedHat Package Manager package (for Linux)

RPT

Microsoft Visual Basic Crystal Reports file

RRS

save file for the ace game Road Rash

RSL

Borderland's Paradox 7 reports

RSM

WinWay Resume Writer resume file

RTF

Rich Text Format document

RTM

Real Tracker music module (MOD) file

RTK

Used by RoboHELP to simulate the search feature of Windows help

RTS

RealAudio's RTSL document

RTS

RoboHELP to speed complex operations

RUL

Extension used in InstallShield

RVP

Microsoft Scan Configuration file (MIME)

RXX

RAR compressed files from a multi-volume archive (xx = a number from 01 to 99)

S

S

Assembler source code S3I

Scream Tracker v3 instrument S3M

Sound module file for ScreamTracker v3 SAM

Ami Professional document SAM

Signed 8bit sample data SAV

Saved game file SB

Raw Signed Byte (8bit) data SBK

Creative Labs Soundfont 1.0 Bank file (Soundblaster)/EMU SoundFont v1.x Bank files SBL

Shockwave Flash object SC2

Microsoft Schedule+ 7 file format SC2

SAS catalog (Windows 95/NT, OS/2, Mac) SC3

SimCity 3000 saved game file SCC

Microsoft Source Safe file SCD

Matrix/Imapro SCODL slide image SCD

Microsoft Schedule+ 7 SCF

Windows Explorer command file SCH

Microsoft Schedule+ 1 SCI

ScanVec Inspire Native file format SCN

trueSpace2 scene SCP

Dial-Up Networking Script SCR

Windows screensaver SCR

Fax image SCT

SAS catalog (Dos) SCT

Scitex CT bitmap SCT

Microsoft FoxPro forms SCT01

SAS catalog (Unix) SCV

ScanVec CASmate Native file format SCX

Microsoft FoxPro forms SD

Sound Designer I audio SD2

Sound Designer 2 flattened file/data fork SD2

SAS database (Windows 95/NT OS/2, Mac) SDF

System Data File Format - legacy Unisys (Sperry) format SDK

Roland S-series floppy disk image SDL

SmartDraw library SDR

SmartDraw drawing SDS

Raw Midi Sample Dump Standard file SDT

SmartDraw template SDV

Semicolon Divided Values file SDW

Lotus WordPro graphic file SDW

Raw Signed DWord (32bit) data SDX

Midi Sample Dump Standard files compacted by SDX SEA

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

Tagged Image File Format (TIFF) bitmap SES

Cood Edit Session file (common digital audio editor file ) SF

IRCAM SoundFile format SF2

Emu SoundFont v2.0 file SFD

SoundStage Sound File Data SFI

SoundStage Sound File Info SFR

Sonic Foundry Sample Resource SFW

Seattle Film Works (Mangled JPEG) SFX

RAR self-extracting archive SF2

Creative Labs Soundfont 2.0 Bank file (Soundblaster) SGML

Standard Generalized Markup Language SHB

Corel Show presentation SHB

Document shortcut file SHG

Hotspot bitmap SHP

3D Studio (DOS) shapes file SHP

File format used by some programs for 3D modeling of multipart interactive triangle models SHS

Shell scrap file; reportedly used to send "password stealers" SHW

Corel Show presentation SIG

Signature file SHTML

HTML file containing Server Side Includes (SSI) SIT

Stuffit archive of Mac files SIZ

Oracle 7 configuration SKA

PGP secret Keyring SKL

Macromedia Director resource file SL

PACT's Save Layout extension SLB

AutoDesk Slide Library File Format SLD

AutoDesk Slide File Format SLK

Symbolic Link (SYLK) spreadsheet SM3

DataCAD Symbol file SMP

Samplevision format SMP

Ad Lib Gold Sample SND

NeXT sound SND

Mac Sound Resource SND

Raw unsigned PCM data SND

AKAI MPC-series sample SNDR

Sounder sound file SNDT

Sndtool sound file SNM

Netscape mailbox (mail folder) index

See the format at http://ccwf.cc.utexas.edu/~jhix/snmfaq.htm

SOU

SB Studio II sound SPD

Speach Data file SPL

Shockwave Flash Object SPL

Digitracker Sample SPPACK

SPPack sound sample SPRITE

Acorn's bitmap format SQC

Structured Query Language (SQR) common code file SQL

Informix SQL queries SQL

Generally used by database products as an extension for SQL queries (scripts, text, or binary) SQR

Structured Query Language (SQR) program file SSD01

SAS data sets (Unix) SSD

SAS database (Dos) SSF

Enable spreadsheet file STL

Stereolithography file STM

Shorter suffix for .shtml, an HTML file containing a server side include (SSI) STM

Scream Tracker v2 music module (MOD) file ST

Atari ST disk image STR

Screensaver file STY

Ventura Publisher style sheet SVX

Amiga 8SVX sound SVX

Interchange file format, 8SVX/16SV SW

Raw signed Word (16bit) data SWA

Shockwave audio file in Macromedia Director (an MP3 file) SWF

Shockwave Flash object SWP

DataCAD Swap file SYS

System file SYW

Yamaha SY-series wave files

T

T64

Commodore 64 emulator tape image file

TAB

Guitar Tablature file

TAR

Tape Archive

TAZ

Unix Gzip/Tape Archive

TBK

Asymetrix Toolbook interactive multimedia files

TCL

Script in the TCL/TK Language

TDB

Thumbs Plus database

TDDD

A file format use by the Imagine & Turbo Silver ray-tracers

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

TLE

Two-Line Element set (NASA)

TMP

Windows temporary file

TOC

Table of contents of Eudora mailboxes

TOL

Kodak photoenhancer

TOS

The Operation System for Atari line of 16/32 and 32/32 computers

TPL

CakeWalk Audio Template file

TPL

DataCAD Template file

TPP

Teleport Pro Project

TRK

Kermit scrpit file

TRM

Terminal file

TRN

MKS Source Integrity project usage log

TTF

TrueType font

TTK

Corel Catalyst Translation Tool Kit

TWF

TabWorks file

TWW

Tagwrite Template

TX8

MS-DOS text

TXB

Descent/D2 Encoded Briefing File

TXT

ASCII text-formatted audio data

TXW

Yamaha TX16W wave files

TZ

Old compression format file

T2T

Sonata CAD modelling software file

U

UB

Raw unsigned byte (8-bit) data

UDF

Windows NT Uniqueness Database File

UDW

Raw unsigned doubleword (32-bit) data

ULAW

US telephony format (CCITT G.711) audio

ULT

Ultratracker music module (MOD) file

UNI

MikMod UniMod formatted file

URL

Internet shortcut file

USE

MKS Source Integrity file

UU

UU-encoded file

UUE

UU-encoded file

UW

Raw unsigned word (16-bit) data

UWF

UltraTracker Wave file

V

V8

Covox 8-bit audio file

VAP

Annotated speech

VBA

VBase file

VBP

Visual Basic Project

VBW

Microsoft Visual Basic workspace

VBX

Visual Basic custom control

VCE

Natural MicroSystems (NMS) unformatted voice file (used by Cool Edit)

VCF

Virtual card file (Netscape)

VCF

Vevi configuration file; defines objects for use with Sense8's WorldToolKit

VCT

Microsoft FoxPro class library

VCX

Microsoft FoxPro class library

VDA

Targa bitmap

VI

Virtual Instrument file from National Instruments LABView product

VIFF

Khoros Visualisation format

VIR

File identified as a virus-infected file by Norton AntiVirus and possibly others

VIV

VivoActive Player streaming video file

VIZ

Division's dVS/dVISE file

VLB

Corel Ventura Library

VMF

FaxWorks audio file

VOC

Creative Labs Sound Blaster audio file

VOX

Dialogic audio file coded using ADPCM

VOX

Natural MicroSystems (NMS) formatted voice file

VOX

Talking Technology audio file

VP

Ventura Publisher publication

VQE

Yamaha Sound-VQ Locator file

VQF

Yamaha Sound-VQ file (possible emerging standard)

VQL

Yamah Sound-VQ Locator file

VRF

Oracle 7 configuration

VRML

A VRML file

VSD

Visio drawing (flow chart or schematic)

VSL

Download List file (GetRight)

VSN

A Windows 9x/NT ViruSafe version file; used to keep information about all the files in a directory; when a file is accessed, information is compared with the VSN information to ensure that they match

VSS

Visio Stencil file

VST

Targa bitmap

VSW

Visio Workspace file

VXD

Microsoft Windows virtual device driver

W

W3L

W3Launch file

http://bmbwww.leeds.ac.uk/w3launch/home.htm

WAB

Microsoft Outlook file WAD

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

Quake 2 texture file WAV

Windows Waveform sound WB1

QuattroPro for Windows spreadsheet WB2

QuattroPro for Windows spreadsheet WBK

Microsoft Word Backup WBL

Argo WebLoad II upload file WBR

Crick Software WordBar File WBT

Crick Software Wordbar Template WCM

WordPerfect Macro WDB

Microsoft Works database WDG

Warftpd remote daemon file

www.jgaa.com

WEB

CorelXara Web document WFB

Turtle Beach WaveFront Bank (Maui/Rio/Monterey) WFD

Turtle Beach WaveFront Drum set (Maui/Rio/Monterey) WFM

Visual dBASE Windows form WFN

symbols for use in Corel Draw WFP

Turtle Beach WaveFront Program (Maui/Rio/Monterey) 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 WLD

REND386/AVRIL file 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 WPF

Enable word processing document WPD

WordPerfect Document WPG

WordPerfect Graphic WPS

Microsoft Works document WPT

WordPerfect Template WQ1

QuattroPro/DOS spreadsheet WQ2

QuattroPro/DOS version 5 spreadsheet WR1

Lotus Symphony WRG

ReGet document

www.reget.com

WRI

Write document WRK

Cakewalk music audio project file WRL

Virtual Reality model WRZ

Another VRML fileject 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 WWL

Microsoft Word add-in file

X

X

AVS image format

XAR

Corel Xara drawing

XBM

A MIME 'xbitmap' image

XI

Instrument sample file for ScreamTracker

XIF

Wang imaging file (comes with Windows 95)

XLA

Microsoft Excel add-in

XLB

Microsoft Excel toolbar

XLC

Microsoft Excel chart

XLD

Microsoft Excel dialogue

XLK

Microsoft Excel backup

XLL

Microsoft Excel add-in file

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

XNK

Microsoft Exchange shortcut file

XPM

X BitMap format

XR1

Epic MegaGames Xargon data file

XTP

XTree data file

XWD

X Window Dump format

XWF

Yamaha XG Works file (MIDI sequencing)

XY3

XYWrite III document

XY4

XYWrite IV document

XYP

XYWrite III Plus document

XYW

XYWrite for Windows 4.0 document

X16

Macromedia Extra (program extension), 16 bit

X32

Macromedia Extra (program extension), 32 bit

Y

YAL

Arts & Letters clipart library

YBK

Microsoft Encarta Yearbook

Z

Z

Unix Gzip

Compressed

ZAP

Windows software installation settings file ZIP

Zip file

Compressed archive

ZOO

An early compressed file format

Numbers and symbols

000-999

Used to number old (backup) versions of files (for example, CONFIG.SYS when changed by an installation program); also used to number related data files for multiple users of a small- scale PC application 12M

Lotus 123 97 Smartmaster file 123

Lotus 123 97 file 2D

VersaCAD two-dimensional drawing file

http://www.versacad.com/vcadhome.htm

2GR and 3GR

VGA Graphics driver/configuration files under Windows 3D

VersaCAD three-dimensional drawing file

http://www.versacad.com/vcadhome.htm

3DM

3D NURBS modeler, Rhino 3DS

A file in 3D Studio (for DOS) format 386

A file for use in an 80386 or higher microprocessor 4GE

Informix 4GL compiled code 4GL

Informix 4GL source code 669

Composer 669, Unis Composer music mod file 669

669 tracker module #01 and higher

A method of numbering picture files for a roll of film that has been scanned for computer presentation $$$

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