Common file extensions and their descriptions:
A Object Code Library file
AAM Authorware shocked file
AAS Authorware shocked package
ABF Adobe Binary Screen Font
ABK CorelDRAW Automatic Backup File
ABS This type of file is sometimes used to indicate an abstract (as in a scientific article). An abstract or synopsis of the article,
Taken from abstract)
ACE Ace compressed file format
ACL CorelDRAW 6 keyboard shortcut file
ACM Windows System Catalog File
ACP Microsoft Office Assistant Preview File
ACR American College of Radiology File Format
ACT Microsoft Office Assistant File
ACV OS/2 driver for compressing or decompressing audio data
AD After Dark screensaver
ADA Ada source file (non-GNAT)
ADB Ada Source File Body (GNAT); HP100LX organizer's convention database
ADD OS/2 adapter driver for the boot process
ADF Amiga Disk File
ADI AutoCAD device-independent binary plotter format
ADM After Dark multi-module screen saver; Windows NT policy template
ADP FaxWork interactive installation file for fax modems ; Astound Dynamite file
ADR After Dark random screen saver; Smart Address address book
ADS Ada source file specification (GNAT)
AFM Adobe font scale
AF2, AF3 ABC FlowChat files
AI Adobe Illustrator format graphics
AIF, AIFF audio interchange files, sound formats for Silicon Graphic and Macintosh applications
AIFC compressed AIF
AIM AOL instant messaging
AIS ACDSee graphics sequence file; Velvet Studio device file
AKW RoboHELP help All A-keywords in the project
ALAW European telephone audio format
ALB JASC Image Commander album
ALL Art and Letter Library
AMS Velvet Studio music module (MOD) file; Extreme's Tracker module file
ANC Canon Computer's palette file, containing a series of optional color palettes
ANI Windows system Animated cursor
ANS ANSI text file
Game file saved in ANT SimAnt For Windows
API Application Design Interface file used by Adobe Acrobat
APR Lotus Approach 97 Documentation <
/p>
APS Microsoft Visual C file
ARC LH ARC compressed archive file
ARI Aristotle sound file
ARJ Robert Jung ARJ compressed file
ART Xara Studio painting files; Canon Crayola art files; Clip Art file format; another ray tracing
format; used by AOL
using Johnson— Marked files compressed by Grace compression algorithm
ASA Microsoft Visual InterDev files
ASC ASCⅡ text files; PGP algorithm encrypted files
ASD Microsoft Word automatically saved files; Description file of Microsoft advanced streaming format (microsoft advanced st
reaming
FORMat, ASF); Velvet Studio example file can be opened with NSREX
ASE Velvet Studio sampling Files
ASF Microsoft Advanced Streaming Format File
ASM Assembly Language Source File, Pro/E Assembly File
ASO Astound Dynamite Object File
ASP dynamic web page files; ProComm Plus installation and connection script files; Astound introduction files
AST Astound multimedia files; ClarisWorks "assistant" files
ASV DataCAD automatic save files
ASX Cheyenne backup script file; Microsoft Advanced Streaming Redirector file, video file
ATT ATlt; Group 4 bitmap file
ATW Any Time from Personal Software Deluxe For Windows Personal Information Manager files
AU Sun/NeXT/DEC/UNIX sound files; Audio U-Law (pronounced "mu-law") file format
AVB Computer Post-virus files for Associates Inoculan Anti-Virus
AVI Microsoft Audio Video Interleave Movie Format
AVR Audio Visual Research File Format
AVS Application Visual Format
AWD FaxVien document
AWR Telsis digital storage audio file extension format
Axx ARJ compressed file subpackage sequence number file, used to compress a large file to In several small compressed packages (xx is a number from 01-99)
A3L Authorware 3.x library file
A4L Authorware 4.x library Files
A5L Authorware 5.x library files
A3M, A4M Authorware Macintosh unpackaged files
A4P Authorware packed files without runtime
A3W, A4W, A5W unpackaged Authorware Windows files
BAK backup files
BAS BASIC source files
BAT batch files
BDF West Point Bridger Designer file
BFC Windows 95 Briefcase file
BG Backgammon For Windows game files
BGL Microsoft Flight Simulator (Microsoft Flight Simulator) visual file
BI binary file
BIF Group Wise initialization file
BIFF XLIFE 3D format file
BIN binary file
BK, BK$ are sometimes used to represent backup versions
BKS IBM BookManager Read bookshelf file
BMK bookmark file
BMP Windows or OS/2 bitmap file
BMI Apogee BioMenace data file
BOOK Adobe FrameMaker Book file
BOX Lotus Notes mailbox file
BPL Borlard Delph 4 packaging library
BQY BrioQuery file
BRX file used to view the multimedia object directory
BSC MS Developer Studio Browse Device information file
BSP Quake graphics file
BS1 Apogee Blake Stone data file
BS_ Microsoft Bookshelf Find menu shell extension
BTM Batch file used by Norton applications
BUD Quicken's backup disk
BUN CakeWalk sound bundle file (a MIDI program)
BW SGI black and white image file
BWV Business Wave File
BYU BYU Movie File Format
B4 Helix Nuts and Bolts File
C C Code File
C0l Typhoon waveform file
CAB Microsoft compressed archive file
CAD Softdek's Drafix CAD file
CAL CALS compressed bitmap; calendar schedule data
CAM Casio camera format
CAP compressed music file format
CAS comma separated ASCⅡ file
IntellCharge classification file used by CAT Quicken
CB Microsoft clean boot file
CBI binary volume format file (for IBM mainframe systems)
CC Visual dBASE user-defined class file
CCA cc: Mail File
CCB Visual Basic Dynamic Button Configuration File
CCF Multimedia Viewer Configuration File for OS/2
CCH Corel chart file
CCM Lotus cc:mailbox (e.g. "INBOX.CCM")
CCO CyberChat data file
CCT Macromedia Director Shockwave projection
CDA CD audio track
CD
F Microsoft channel definition format file
CDI Philip's high-density disk interactive format
CDM Visual dBASE custom data module file
CDR CorelDRAW drawing file; original audio CD Data file
CDT CorelDRAW template
CDX CorelDRAW compressed drawing file; Microsoft Visual FoxPro index file
CEL CIMFast event language file
CER Certificate file (MIME x-x509-ca-cert)
CFB Compton’s multimedia file
CFG configuration file
CFM CotdFusion template file; Visual dBASE Windows User-customized form
CGI public *** gateway interface script file
CGM computer graphics metafile
CH OS/2 configuration file
CHK File fragments saved by Windows Disk Defragmenter or Disk Scan
CHM Compiled HTML file
CHR character set (font file)
CHP Ventura Publisher chapter file
CHT ChartViem file; Harvard Graphics vector file
CIF Adaptec CD Creator CD image file
CIL Clip Gallery download package
CIM SimCity 2000 files
CIN OS/2 change control files are used to track changes in INI files
CK1 iD/Apogee Commander Keen 1 data files
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 file
CLL Crick Software Clicker file
p>CLP Windows Clipboard File
CLS Visual Basic Class File
CMD Windows NT, OS/2 command file; DOS CD/M command file; dBASEⅡ program file
CMF Corel Metafile
CMG Chessmaster saved game file
CMP JPEG bitmap file; address file
CMV Corel Move animation File
CMX Corel Presentation Exchange Image
CNF Configuration file used by Telnet, Windows and other applications in which the format changes
CNM Windows application Menu options and installation files
CNQ Compuworks Design Shop files
CNT Windows (or other) systems for help
Index or other purpose content file
COB TrueSpace 2 object file
COD Displayable machine code/assembly code file produced by the Microsoft C compiler with source C code as comments
COM command file (program)
CPD Corel Print Office file (graphic)
CPD, CPE fax coverage document
CPI Microsoft MS -DOS code page information file
CPL control panel extension, Corel color palette
CPO Corel print storage file
CPP C code file
CPR Corel provides instruction files
CPT Corel photos-painting images
CPX Corel Presentation Exchange compressed graphics files
CRD ??Windows Cardfile files
Runtime introduction file provided by CRP Corel; Visual dBASE custom report file
CRT certification file
CSC Corel script file
CSP PC Emcee On_Screen image
CSS waterfall table file
CST Macromedia Director Cast file
CSV comma separated value file
CT Scitex CT bitmap file ;Paint Shop Pro Grapic Editor file
CTL is usually used to represent a file containing control information; FaxWork uses it to maintain information about each fax received or sent
CUE Microsoft sign data file
CUR Windows cursor file
CUT Dr Halo bitmap file
CV Corel version archive file; Microsoft CodeView information screen file
CWK ClarisWorks data file.
CWS ClarisWorks module
CXT Macromedia Director protected (non-editable) projection file
CXX C source code file
DAT data file; WrodPerfect merged data file; used for some MPEG format files
DB Borland's Paradox 7 table
DBC Microsoft Visual FoxPro Database Container File
DBF dBASE file, a format created by Ashton-Tate, can be used by ACT! , Lipper, FoxPro, Arago,
Wordtech,
Xbase and similar databases or database-related product identification; available data files (can be opened by Excel 97); Oracl
e 8.1.x table space
Space file
DBX DataBearn image; Microsoft Visual FoxPro table file
DCM DCM module format file
DCR Shockwave File
DCS Desktop Color Separation File
DCT Microsoft Visual FoxPro Database Container
DCU Delp
hi Compiled unit file
DCX Microsoft Visual FoxPro database container; PCX-based fax image; macro
DC5 DataCAD drawing file
DDF Btrieve or Xtrieve data definition file , which contains metadata used to describe Btrieve or Xtrieve files
DDIF Digital Equipment or Compaq format, used to save their image and word processing documents
DEF SmartWareⅡ data file; C module Definition File
DEFI Oracle 7 Uninstall Script File
DEM File used to represent the USGS datum of the Digital Height Model
DER Certification File
DEWF Macintosh Sound Cap/Sound Edit recording device format
DGN Macintosh 95 CAD drawing file
DIB device-independent bitmap
DIC directory
DIF spreadsheet for data interchange
DIG DigiLink format; Sound DesignerⅠ audio file
DIR Macromedia Director file
DIZ description file
DLG C dialog script file
DLL dynamic link library
DLS downloadable sound file
DMD Visual dBASE data module file
DMF X-Trakker music module (MOD) file
DOC FrameMaker or FrameBuilder document; Word Star document, Word Perfect document, Microsoft Wor
d document;
DisplayWrite document
DOT Microsoft Word document template
DPL Borland Delph3 compression library
DPR Borland Delphi project header file
DRAW Acorn Object-based vector image files
DRV driver
DRW Micrografx Designer/Draw; Pro/E painting files
DSF ??Micrografx Designer VFX files
Files saved by DSG DOOM
DSM Dynamic Studio music module (MOD) files
DSP Microsoft Developer Studio project files
DSQ Corel QUERY (query ) file
DST embroidery machine graphic file
DSW Microsoft Developer Studio workspace file
STARS data file of DTA Word Bank (World Bank)
DTD SGML document type definition (DTD) file
DTED Ground height digital data (graphic data format) file
DTF Symantec Qamp; A related database data file
p>DTM DigiTrakker module file
DUN Microsoft dial-up network export file
DV digital video file (MIME)
<p>DWD DiamondWare digital files
DWG AutoCAD engineering drawing files; drawing formats of old versions of AutoCAD or Generic CADD
DXF Interchangeable drawing file format, binary DWG format Text representation; data exchange file
DXR Macromedia Director protected (non-editable) movie file
64-bit emulated disk image file for D64 Commodore
EDA Ensoniq ASR Disk Image
EDD Element Definition Document (FrameMaker SGML Document)
EDE Ensoniq EPS Disk Image
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 extension module
EMF Windows enhanced metafile
EML Microsoft Outlook Express mail message (MIME RTC822) file
ENC reenactment file
ENFF neutral file format extension
EPHTML Perl interpreted enhanced HTML file
EPS compressed PostScript image
EPSF compressed PostScript file
ERI ERWin file
ERR File used to store error messages when the RobooHELP help compiler attempts to compile a help system source file
EPX ERWin File
ESPS ESPS Audio File
EUI Ensoniq ESP Family Compressed Disk Image
EVY Envoy Documentation
EWL Microsoft Encarta Document
EXC Microsoft Word Forbidden Word Dictionary
EXE Executable File (Program)
F FORTRAN File
F2R Farandoyle Linear Module Format
F3R Farandoyle Blocked Linear Module Format
F77 FORTRAN File
F90 FORTRAN File
FAR Fradole Composer Music Module (MOD ) File
FAV Microsoft Outlook Navigation Bar
FAX Fax Type Image
FBK Navison Financial Backup
FCD Virtual CD-ROM
p>
FDB Navison financial database
FDF Adobe Acrobat form document file
FEM CADRE finite element network file
FFA, FFL, FFO, FFK Mi
>crosoft Quick Find File
FFF GUS PnP Bank File Format
FFT Final Format Text (part of IBM's DCA)
FH3 Aldus Freehand 3 Drawing File
p>
FIF Fractal image file
File format used by FIG REND386/AVRIL
FITS CCD camera image; flexible image transmission system
FLA Macromedia Flash Movie
FLC Autodesk FLIC animation file
FLF Corel Paradox generated format: Navison Financials license file; OS/2 driver file
PLI Autodesk FLIC animation
FLT StarTrekker music module (MOD) file; file format used by MultiGen Inc's Open Flight; Corel
Filter file
FM Adobe FrameMaker document
FMB Oracle version 4.0 or later version form binary source code file
FML file image list (GetRight)
FMT Oracle version 4.0 or later version form text Format; Microsoft Schedule print file
FMX Oracle version 4.0 or later executable form
FND Microsoft Explorer saved search file (Find applet)
FNG font Group file (Font Navigator)
FNK Funk Tracker module format
FOG Fontographer module font
FON system font
FOR FORTRAN files
FOT font related files
FP FileMaker Pro files
FP1 Flying Pigs for Windows data files
FP3 FileMaker Pro files
FPT FileMaker Pro file; Microsoft Fox Pro memo font file
FPX FlashPix bitmap
FRM form; Frame Maker or Frame Builder document; Oracle executable table (Version 3.0 or earlier); Visual
l Basic form
; WordPerfect Merge form; DataCAD logo report file
FRT Microsoft FoxPro report file
p>
FRX Visual Basic form text; Microsoft FoxPro report file
FSF fPrint Audit Tool file format
FSL Borland's Paradox 7 form; Corel Paradox saved form
FSM Parandoyle Sample Format
FT Lotus Notes Full Text Index
FTG Full Text Search Group file, generated by the Windows Help system when looking for it - can be deleted and added when needed Rebuild it when
FTS full-text search index file, powered by Windows Help
FW2 Framework Ⅱ file
FW3 Framework Ⅲ file
FW4 Framework Ⅳ file
FXP compiled by Microsoft FoxPro Source Files
FZB Casio FZ-1 Bank Dump
FZF Casio FZ-1 Full Dump
FZV Casio FZ-1 Sound Dump
p>G721 Raw CCITT G.721 $bit ADPCM format data
G723 Raw CCITT G.723 3 or 5bit ADPCM format data
GAL Corel Multimedia Manager Photo Album
GCD Generic CADD painting file (subsequent version)
GCP Ground Control Point (ground control point) file, used in the image formation process of distant view data, often used in production
Image project—
CHIPS (copenhagen image processing system) uses these files
GDB InterBase database files
GDM bells, whistles, and soundboard modules Format
GED GEDCOM Genealogical Data File, a popular format for recording and exchanging genealogical data; Graphical Environment Document Paint
GEM GEM Metafile
Generated by GEN Ventura Text file
GetRight GetRight unfinished download file
GFC Patton& Patton FlowCharting 4 flowchart file
GFI, GFX Genigraphics graphic link representation file
GHO Norton clone disk image
GID Windows 95 global index file (including help status)
GIF CompuServe bitmap file
GIM, GIX Genigraphics Graphic link introduction file
GKH Ensoniq EPS home cluster disk image file
GKS Gravis Grip Key document
GL animation format
GNA Genigraphics Graphics link introduction file
GNT generated code, executable code in Micro Focus attribute format
GNX Genigraphics graphics link introduction file
GRA Microsoft Graph file
p>
GRD is a format file used for the map process of remote visual data generation. It is usually used to form map projects - CHIPS (copen
hagen image
processing system) uses these File
GRF Grapher (Golden Software Company) graphics file
GRP Program Management Group
GSM Raw GSM 6.10 audio stream; Raw "byte aligned )" GSM 6.10 audio stream; US Rob
otics voice tone
Modem
GTK Graoumftracker (old) music module (MOD) file
Modem p>
GT2 Graoumftracker (new)
Music module (MOD) file
GWX, GWZ Cenigraphis graphic link introduction file
GZ UNIX gzip compressed file
H C program header file
HCM IBM HCM Profile
HCOM Sound Tool HCOM Format
HCR IBM HCD/HCM Product Profile
HDF Local Center for Advanced Computer Applications (NCSA) geospatial Hierarchial data format file
HED HighEdit document
HEL Microsoft Hellbender format saved game file
HEX Macintosh BinHex2.0 file
HGL HP Graphics Language Drawing File
HH mapping file, including some topic ID and the mapping number of the topic in the help file system—allows a running application to send the appropriate
Contextual Help Topics
HLP Help File; Date CAD Windows Help File
HOG Lucas Arts Dark Forces WAD File
HPJ Visual Basic Help Project
HPP C Program Header File
HQX Macintosh BinHex 4.0 File
HST History File
HT HyperTerminal (Super Terminal)
HTM, HTML hypertext document
HTT Microsoft hypertext template
HTX extended HTML template
HXM Descent2 HAM file extension
p>
ICA Citrix file
ICB Targa bitmap file
ICC Kodak printer format file
ICL icon library file
ICM Graphic Color Matching Profile
ICO Windows Icon
IDB MSDev Middle Layer File
IDD MIDI Device Definition
IDF MIDI Device Definition (File required for Windows 95)
IDQ Internet data query file
IDX Microsoft FoxPro related database index file; Symantec Qamp; A related database index file; Microsoft
t Outlook
Express file
IFF interchange format file; Amiga ILBM
IGES initial graphics exchange description file
IGF insert system element Files
IIF QuickBooks for Windows Exchange File
ILBM Bitmap Graphics File
IMA WinImage Disk Image File
IMG GEM Image
p>IMZ WinImage compressed disk image file
INC assembly language or dynamic server include file
INF information file
INI initialization file; MWave DSP Synth "nwsynth.ini" GMS installation; Cravis Ultrasound bank
Installation
INP Oracle 3.
Form source code for version 0 or earlier versions
INRS INRS remote communication audio
INS InstallShield installation script; X-Internet signature file; Ensoniq EPS word cluster device; Cell/II MAC/P
C sampling device
INT intermediate code, when a source program is compiled after syntax checking, an executable code is generated
IOF Findit document
IQY Microsoft Internet Query File
ISO lists files on CD-ROM according to ISD 9660 about CD-ROM file system standards
ISP X-Internet Signature File
IST Digital Tracking Device File
ISU InstallShield Uninstall Script
IT Pulse Tracking System Music Module (MOD) File
ITI Pulse Tracking System Device
p>ITS Pulse Tracing System Sampling, Internet Documentation Location
IV File format used in Open Inventor
IVD More than 20/20 microdata dimension or variable level file
IVP More than 20/20 user subset configuration files
IVT More than 20/20 table or collection data files
IVX More than 20/20 microdata directory files
IW Idlewild Screensaver
IWC Install Watch Documentation
J62 Ricoh Camera Format
JAR Java Archive File (a type of compressed files for applets and related files)
JAVA Java source files
JBF Paint Shop Pro image browser files
JFF, JFIF, JIF JPEG files
JMP SAS's JMPDiscovery tabular statistics file
JN1 Epic MegaGames' Jill of the Jungle data file
JPE, JPEG, JPG JPEG graphic files
JS javascript source file
JSP HTML web page, which contains a reference to a Java servlet
JTF JPEG bitmap file
K25 Kurzweil 2500 sample file
p>
KAR Karaoke MIDI File (Text MIDI)
KDC Kodak Light Intensifier
KEY DataCAD Icon Toolbar File
KFX KoFak Group 4 Image file
KIZ Kodak digital postcard file
KKW RoboHELP Help Project indexes all keywords starting with K that are not related to the topic in the designer
KMP Korg Trinity KeyMap Files
KQP Konica camera local files
KR1 Kurzweil 2000 sampling (multiple floppy drives) files
KRZ Kurzweil 2000 sampling files
KSF Korg Trinity sampling file
KYE Kye game data
LAB Visual dBASE label file
LBM Deluxe Paint bitmap file
LBT, L
BX Microsoft FoxPro Label File
LDB Microsoft Access Locked File
LDL Corel Paradox Distribution Library
LEG Legacy Document
LES Logitech Entertainment System game configuration file (same as REC file)
LFT 3D Studio (DOS) loft file
Logo file for LGO Paintbrush (Microsoft painting application)
LHA LZH change file suffix
LIB library file
LIN DataCAD line file
Output file generated by LIS Structured Query Report (SQR) program
LLX Laplink Exchange Agent
LNK Windows Shortcut File
LOG Log File
LPD Helix Nut and Bolt File
LRC Intel videophone files
LSL Corel Paradox saved library files
LSP AutoLISP, CommonLISP and other LISP language files
LST list files
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 visual file
LYR DataCAD layer file
LZH LH ARC compressed file
p>
LZS Skyroads data files
M1V MPEG related files (MIME "mpeg" type)
M3D Corel Motion 3D animation files
M3U MPEG URL (MIME sound file)
MAC MacPaint image file
MAD Microsoft Access module file
MAF Microsoft Access form file
MAG In some Graphics file format found in Japanese files
MAGIC Magic Mail Monitor Configuration File
MAK Visual Basil or Microsoft Visual C project file
MAM Microsoft Access Macro
MAN UNIX man page output
MAP mapping file; Duke Nukem 3D WAD game file
MAQ Microsoft Access query file
MAR Microsoft Access Report file
MAS Lotus Freelance Graphics Smart Master file
MAT Microsoft Access table; 3D Studio MAX material library
MAUD MAUD sampling format
3DStudio MAX file for MAX Kinetx; this format is used for a 3D scene file; Paperport file; OrCAD design<
/p>
File
MAZ Hover lost data; file format used by Division’s dVS/dVISE
MB1 Apogee Monster Bash data file
MBOX Berkeley Unix mailbox format
MBX Microsoft Outlook saves email format; Eudora mailbox
MCC Dailerl0 calling card
MCP Metrowerks CodeWarrior project file
MCR DataCAD keyboard macro file
MCW Microsoft Word Macintosh document
MDA Microsoft Access internal extractor; workgroup events for Microsoft Access version 2.0 and subsequent versions
MDB Microsoft Access database
MDE Microsoft Access MDE file
MDL digital tracker music module (MOD) file; Quake module file
MDN Microsoft Access empty database Template
MDW Microsoft Access Workgroup File
MDZ Microsoft Access Wizard Template File
MED Music Editor, OctaMED Music Module (MOD) File
MER spreadsheet/database data exchange format; recognized by FileMaker, Excel, and other software
MET represents manager metafile
MFG Pro/ENGINEER manufacturing files
MGF File Format in Materials and Geometry
MHTM, MHTML MHTML Document (MIME)
MI Miscellaneous
MIC Microsoft Image Composer File
MID MIDI Music
MIF Adobe FramMaker Interchange Format
MIFF Machine Independent Format File
MIM, MIME, MME Internet Mail Extension Format Multi-purpose files, often created as attachments in AOL when sending e-mails
;
Files in a multi-zone MIM file can be created using WinZip or other similar Open the program
MLI 3D Studio's material library format file
MMF Meal Master format; a prescription format; Microsoft mail file
MMG over 20/20 table or assembly data files
MMM Microsoft Multimedia Movies
MMP Mindmapor Mind Manager files
MN2 Descent2 mission files
MND, MNI Mandelbort for Windows
MNG Multi-image Network Graphics
MNT, MNX Microsoft FoxPro menu file
MNU Visual dBASE menu file; Intertel Systems Interact menu file
MOD Fast Tracker, Star Trekker, Noise Tracker (etc.) music module files; Microsoft more
Plan
Spreadsheet;
Amiga/PC track file
MOV QuickTime for Windows movie
MP2 second layer MPEG audio file
MP3 third layer MPEG audio file
MPA MPEG related file, MIME "mpeg type"
MPE, MPEG, MPG MPEG animation file
MPP Microsoft Project File; CAD Drawing File Format
MPR Microsoft FoxPro Menu (Compiled)
MRI MRI Scan File
MSA Magic Shadow File
p>MSDL Manchester Scenario Description Language
MSG Microsoft Mail Message
MSI Windows Installer Package