We often contact with the extension of doc (Word document), wps (Wps document), xls (Excel spreadsheet), ppt (Powerpoint presentation), jpg (picture), txt (plain text), rar (Winrar compressed file), htm (web page), html (web page files) and so on.
A Object code base files
AAM Authorware shocked files
AAS Authorware shocked package
ABF Adobe binary screen fonts
ABK CorelDRAW automatic backup files
ABS This type of file is sometimes used to indicate an abstract (like an abstract or synopsis in an article about science, taken from abstract)
ACE Ace compressed archive format
ACL CorelDRAW 6 keyboard shortcut file
ACM Windows system catalog file
ACP Microsoft office assistant preview files
ACR American College of Radiology file format
ACT Microsoft office assistant files
ACV OS/2 driver for compressing or decompressing audio data
AD After Dark screen saver
ADA Ada source files (non-GNAT)
ADB Ada source file body (GNAT); HP100LX organizer's convention database
ADD OS/2 adapter driver for bootstrapping process
ADF Amiga disk files
ADI AutoCAD device Irrelevant binary plotter formats
ADM After Dark multi-module screensaver; Windows NT policy templates
ADP FaxWork interactive installation files for fax modems; Astound Dynamite files
ADR After Dark randomized screensavers; Address Book for Smart Address
ADS Ada Source File Manual (GNAT)
AFM Adobe's Font Scale
AF2, AF3 ABC's FlowChat files
AI Adobe Illustrator Format Graphics
AIF. AIFF Audio Interchange File, a sound format for Silicon Graphic and Macintosh applications
AIFC Compressed AIF
AIM AOL Instant Messaging
AIS ACDSee Graphics Sequence File; Velvet Studio Device File
AKW RoboHELP's Help Project for all A-keywords
ALAW European Telephone Audio Format
ALB JASC Image Commander Albums
ALL Art & Ephemera Library
AMS Velvet Studio Music Module (MOD) files; Extreme Tracker module files
ANC Canon Computer's color palette files, containing a range of optional color palettes
ANI Animated Cursors for Windows
ANS ANSI Text Files
ANT Saved Game Files from SimAnt For Windows
API Application Programming Interface files used by Adobe Acrobat
APR Lotus Approach 97 files
APS Microsoft Visual C++ files
ARC LH Compressed archive files for ARC
ARI Aristotle sound files
ARJ Robert Jung ARJ compressed archive files
ART Xara Studio painting files; Canon Crayola art files; Clip Art file format; another ray tracing format; AOL used with Johnson -Grace compression algorithm compressed markup files used by AOL
ASA Microsoft Visual InterDev files
ASC ASCII text files; PGP algorithm encrypted files
ASD AutoSave files for Microsoft Word; Microsoft advanced streaming FORMat (ASF) description file; Velvet Studio example file that can be opened with NSREX
ASE Velvet Studio sample file
ASF Microsoft Advanced Streaming Format files
ASM assembly language source files, Pro/E assembly files
ASO Astound Dynamite object files
ASP dynamic web page files; ProComm Plus installation and connection script files; Astound introduction files
AST Astound multimedia files; ClarisWorks "helper" files
ASV DataCAD autosave files
ASX Cheyenne backup script files; Microsoft Advanced Streaming Redirector files, video files
ATT AT< Group 4 bitmap filesATW Any Time Deluxe For Windows Personal Information Manager files from Personal Software
AU Sun/NeXT/DEC/UNIX sound files; Audio U-Law (pronounced "mu-law") file format. Law") file format
AVB Computer Associates Inoculan Anti-Virus Post-Virus File
AVI Microsoft Audio Video Interleave movie format
AVR Audio Visual Research file format
AU Sun/NeXT/DEC/UNIX sound files; Audio U-Law (pronounced "mu-law") file format
AVR Audio Visual Research file format
AVS Application Visualization Format
AWD FaxVien document
AWR Telsis Digitally Stored Audio File Extension Format
Axx ARJ zip file sub-packet numbering file used to compress a large file into several smaller zip packets (xx takes a number from 01-99). xx takes numbers from 01-99)
A3L Authorware 3.x library files
A4L Authorware 4.x library files
A5L Authorware 5.x library files
A3M, A4M Authorware Macintosh unpacked files
A3M, A4M Authorware Macintosh unpacked files
A4P Authorware no runtime packaged files
A3W, A4W, A5W Unpackaged Authorware Windows files
BAK Backup files
BAS BASIC source files
BAT Batch files
BDF West Point Bridger Designer files
BFC Windows 95 Briefcase documentation
BG Backgammon For Windows game files
BGL Microsoft Flight Simulator View files for Microsoft Flight Simulator
BI Binary files
BIF Initialization files for Group Wise
BIFF XLIFE 3D format files
BIN Binary files
BK Sometimes used to represent a backup version
BKS IBM BookManager Read Bookshelf files
BMK Bookmark files
BMP Windows or OS/2 bitmap files
BMI Apogee BioMenace data files
BOOK Adobe FrameMaker Book files
BOX Mailbox files for Lotus Notes
BPL Bor Borough Book files
BIN Binary files
BK Sometimes used to represent backup versions
BK p>
BPL Borlard Delph 4 Packaging Library
BQY BrioQuery files
BRX Files for viewing the Multimedia Objects Catalog
BSC MS Developer Studio Browser Information Files
BSP Quake Graphics Files
BS1 Apogee Blake Stone data files
BS_ Microsoft Bookshelf Find menu shell extension
BTM Batch files used by Norton applications
BUD Backup disks for Quicken
BUN CakeWalk Sound Bundle (a MIDI program)
BW SGI black-and-white image files
BWV Business Waveform Files
BYU BYU's Movie File Format
B4 Helix Nuts and Bolts Files
C C Code Files
C0l Typhoon Waveform Files
CAB Microsoft Compressed Archive File
CAD Softdek's Drafix CAD File
CAL CALS Compressed Bitmap; Calendar Planner Data
CAM Casio Camera Format
CAP Compressed Music File Format
CAS Comma Separated ASCII files
CAT IntellCharge classification files used by Quicken
CB Microsoft clean boot files
CBI Binary Volume Format files (used in IBM mainframe systems)
CC Visual dBASE user-defined class files
CCA cc: mail files
CCB Visual Basic dynamic button configuration files
CCF Multimedia viewer configuration files for OS/2
CCH Corel diagram files
CCM Lotus cc: mailboxes (e.g. "INBOX. CCM")
CCO CyberChat data files
CCT Macromedia Director Shockwave projections
CDA CD audio tracks
CDF Microsoft Channel Definition Format files
CDI Philip's High Density Disk Interactive Format
CDM Visual dBASE Custom Data Module files
CDR CorelDRAW drawing files; raw audio CD data files
CDT CorelDRAW templates
CDX CorelDRAW compressed drawing files; Microsoft Visual FoxPro index files
CEL CIMFast event language files
CER certificate files (MIME x-x509-ca-cert)
CFB Compton's multimedia files
CFG configuration files
CFM CotdFusion template files; Visual dBASE Windows user-customized forms
CGI public **** gateway interface script files
CGM computer graphics metafiles
CH OS/2 configuration files
CHK saved by the Windows disk defragmenter or disk scanning File fragments
CHM Compiled HTML files
CHR Character sets (font files)
CHP Ventura Publisher chapter files
CHT ChartViem files; Harvard Graphics vector files
CIF Adaptec CD Creator CD image files
CIL Clip Gallery download package
CIM SimCity 2000 files
CIN OS/2 change control files used to track changes in INI files
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 files
CK6 iD /Apogee Commander Keen 6 data files
CLASS Java class files
CLL Crick Software Clicker files
CLP Windows Clipboard files
CLS Visual Basic class files
CMD Windows NT, OS/2 command files; DOS CD/M command files; dBASE II program files
CMF Corel metafiles
CMG Chessmaster saved game files
CMP JPEG bitmap files; address files
CMV Corel Move animation files
CMX Corel Presentation Exchange images
CNF Configuration files used by Telnet, Windows, and other applications whose formatting is subject to change
CNM Windows application menu options and installation files
CNQ Compuworks Design Shop files
CNT Windows (or other) system content files used for help indexing or other purposes
COB TrueSpace 2 object files
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 (graphics)
CPD, CPE Fax Overlay document
CPI Microsoft MS-DOS Code Page Information File
CPL Control Panel Extensions, Corel Color Plates
CPO Corel Print Storage File
CPP C++ Code File
CPR Corel Provides Instruction Manual Files
CPT Corel Photo-Painting Images
CPX Corel Presentation Exchange compressed graphics files
CRD Windows Cardfile files
CRP Corel-supplied runtime presentation files; Visual dBASE customized report files
CRT authentication files
CSC Corel script files
CSP PC Emcee On_Screen images
CSS Waterfall table files
CST Macromedia Director Cast files
CSV Comma separated value files
CT Scitex CT Bitmap file; Paint Shop Pro Grapic editor file
CTL Often used to represent a file containing information about a control; FaxWork uses it to hold information about each fax received or sent
CUE Microsoft Cue 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 files
CXX C++ source code files
DAT data files; WrodPerfect merged data files; used in some MPEG formats.
DB Borland's Paradox 7 tables
DBC Microsoft Visual FoxPro database container files
DBF dBASE files, a format created by Ashton-Tate that can be used by ACT!, Lipper, FoxPro, Arago, Wordtech, Xbase, and similar databases or database-related products; usable data files (which can be opened by Excel 97); Oracle 8.1.x tablespace files
DBX DataBearn images; Microsoft Visual FoxPro table files
DCM DCM Module Format File
DCR Shockwave File
DCS Desktop Color Separation File
DCT Microsoft Visual FoxPro Database Container
DCU Delphi Compilation Unit File
DCX Microsoft Visual FoxPro Database Container; PCX-based Fax Images; Macros
DC5 DataCAD Drawing Files
DDF Btrieve or Xtrieve Data Definition Files, which contain the metadata used to describe a Btrieve or Xtrieve file
DDIF Digital Equipment or Compaq format, used to store their image and word processing documentation
DEF SmartWare II data files; C++ module definition files
DEFI Oracle 7 uninstallation script files
DEM Files used to represent the USGS datums for the Digital Height Model
DER Authentication files
DEWF Macintosh data definition files, which contain the metadata used to describe the Btrieve or Xtrieve file
DDIF
DEWF Macintosh Sound Cap/Sound Edit recording device format
DGN Macintosh 95 CAD drawing files
DIB Device-Independent Bitmaps
DIC Catalogs
DIF Data Interchangeable Spreadsheets
DIG DigiLink format; Sound DesignerⅠ audio files
DIR MacromediaDirector files
DIZ description files
DLG C++ dialog script files
DLL Dynamic Link Library
DLS Downloadable sound files
< p>DMD Visual dBASE data module filesDMF X-Trakker music module (MOD) files
DOC FrameMaker or FrameBuilder documents; Word Star documents, Word Perfect documents, Microsoft Word documents; DisplayWrite documents
DOT Microsoft Word document templates
DPL Borland Delph3 compression libraries
DPR Borland Delphi project header files
DRAW Acorn's object-based vector image files
DRV Driver
DRW Micrografx Designer/Draw; Pro/E drawing files
DSF Micrografx Designer VFX files
DSG DOOM saved files
DSM Dynamic Studio Music Module ( MOD) files
DSP Microsoft Developer Studio project files
DSQ Corel QUERY files
DST Embroidery Machine Graphics files
DSW Microsoft Developer Studio workspace files
DTA Word Bank (World Bank) STARS data files
DTD SGML Document Type Definition (DTD) files
DTED Ground Height Numeric Data (data format for graphics) files
DTF Symantec Q&A related database data files
DTM DigiTrakker module files
DUN Microsoft Unplugged Network export files
DV Digital video files (MIME)
DWD DiamondWare digitization files
DWG AutoCAD drawing files; AutoCAD or Generic Older CADD drawing formats
DXF Interchangeable drawing file format, binary text representation of DWG format; data exchange file
DXR Macromedia Director protected (non-editable) movie files
D64 Commodore's 64-bit analog disk image files
EdAdvanced Documentation
EdAdvanced Documentation
EdAdvanced Documentation
EdAdvanced Documentation <
EDA Ensoniq ASR Disk Images
EDD Element Definition Documentation (FrameMaker + SGML Documentation)
EDE Ensoniq EPS Disk Images
EDK Ensoniq KT Disk Images
EDQ Ensoniq SQ1/SQ2/Ks32 Disk Images
EDQ Ensoniq SQ1/SQ2/Ks32 Disk Images < Ks32 disk images
EDS Ensoniq SQ80 disk images
EDV Ensoniq VFX-SD disk images
EFA Ensoniq ASR files
EFE Ensoniq EPS files
EFK Ensoniq KT files
EFQ Ensoniq KT files
EDK Ensoniq KT files
EFQ Ensoniq KT files
EFQ Ensoniq SQ1/SQ2/Ks32 FilesEFS Ensoniq SQ80 Files
EFV Ensoniq VFX-SD Files
EMD ABT Extension Module
EMF Windows Enhanced Metafile
EML Microsoft Outlook Express Mail Messages (MIME RTC822) files
ENC Re-enactment files
ENFF Neutral File Format Extensions
EPHTML Perl Interpretation Enhanced HTML files
EPS Compressed PostScript images
EPSF Compressed PostScript filesERI ERWin files
ERR Files used to store error messages when the RobooHELP help compiler attempts to compile a help system source file
EPX ERWin files
ESPS ESPS audio files
EUI Compressed disk image of the Ensoniq ESP familyEVY Envoy Documentation
EWL Microsoft Encarta Documentation
EXC Microsoft Word forbidden word dictionary
EXE Executable file (program)
F FORTRAN Files
F2R Farandoyle Linear Module Format
F3R Farandoyle Chunked Linear Module Format
F77 FORTRAN Files
F90 FORTRAN Files
FAR Fradole Composer Music Module (MOD) Files
FAV Microsoft Outlook Navigation Bar
FAX Fax Type Image
FBK Navison Financial Backup
FCD Virtual CD-ROM
FDB Navison Financial Database
FDF Adobe Acrobat Forms Documentation Files
FEM CADRE Finite Element Network Files
FFA, FFL, FFO, FFK Microsoft Quick Find Files
FFF GUS PnP Banking File Format
FFT Final Format Text (part of IBM's DCA)
FH3 Aldus Freehand 3 drawing files
FIF Fractal image files
FIG File formats used by REND386/AVRIL
FITS CCD camera images; Flexible Image Transfer System
FLA Macromedia Flash movies
FLC Autodesk FLIC animation files
FLF Formats generated by Corel Paradox: Navison Financials license files; OS/2 driver files
PLI Autodesk FLIC animation
FLT StarTrekker Music Module (MOD) files; file formats used by MultiGen Inc's Open Flight; Corel filter files
FM Adobe FrameMaker documentation
FMB Binary source code files for Oracle version 4.0 or later forms
FML Document Mirror List (GetRight )
FMT Text formatting for Oracle version 4.0 or later forms; Microsoft Schedule+ print files
FMX Executable forms for Oracle version 4.0 or later
FND Search files saved by Microsoft Explorer (Find applet)
FNG Font group files (Font Navigator, Font Navigator)
FNK Funk Tracker modular format
FOG Fontographer modular fonts
FON System fonts
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 Files; Microsoft Fox Pro memo font files
FPX FlashPix bitmaps
FRM forms; Frame Maker or Frame Builder documents; Oracle executable tables (version 3.0 or earlier); Visual Basic forms; WordPerfect Merge forms; DataCAD logo report files
FRT Microsoft FoxPro report files
FRX Visual Basic form text; Microsoft FoxPro report files
FSF fPrint Audit Tool file format
FSL Borland's Paradox 7 forms; Corel Paradox saved forms
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 -- can be deleted and rebuilt when needed
FTS Full Text Search Citation file, generated by Windows Help system lookups
FW2 Framework Ⅱ file
FW3 Framework Ⅲ file
FW4 Framework Ⅳ file
FXP Source files compiled by Microsoft FoxPro
FZB Casio FZ-1 bank dump
FZF Casio FZ-1 full dump
FZV Casio FZ-1 sound dump
G721 Raw CCITT G.721 ADPCM format data
G723 Raw CCITT G.723 3- or 5-bit ADPCM format data
GAL Corel Multimedia Manager phase set
GCD Generic CADD drawing files (later versions)
GCP Ground Control Point (Ground Control Point) files, used in the process of forming images from telephoto data, often used in the generation of diagrams engineering - CHIPS (copenhagen image processing system) uses these files
GDB InterBase database files
<GDM Ringtones, Whistles, and Soundboard Module Format
GED GEDCOM Genealogical Data File, popular format for recording and exchanging genealogical data; Graphical Environment Documentation Drawing
GEM GEM Metafile
GEN Ventura-generated text file
GetRight GetRight Unfinished download files
GFC Patton&Patton FlowCharting 4 flowchart files
GFI, GFX Genigraphics Graphics Link Representation files
GHO Norton Clone Disk Images
GID Windows 95 Global Index File (including help status)
GIF CompuServe Bitmap File
GIM, GIX Genigraphics Graphics Link Representation File
GKH Ensoniq EPS Home Cluster Disk Image File
GKS Gravis Grip Key Documentation
GL Animation Format
GNA Genigraphics Graphics Link Profile
GNT Generated Code, Executable Code in Micro Focus Attribute Format
GNX Genigraphics Graphics Link Profile
GRA Microsoft Graph files
GRD Format files for the map generation process for remote view data, often used in map formation projects - CHIPS (copenhagen image processing system) uses these files
GRF Grapher (Golden Software) graphics files
GRP Program Management Group
GSM Raw GSM 6.10 audio stream; Raw "byte aligned" GSM 6.10 audio stream; US Robotics Voice Modem
GTK Graoumftracker (old) Music Module (MOD) files
GT2 Graoumftracker (new) Music Module (MOD) files
GWX, GWZ Cenigraphis Graphics Link Introduction files
GZ UNIX gzip compressed files
H C program header files
HCM IBM HCM configuration files
HCOM Sound Tools HCOM format
HCR IBM HCD/HCM product configuration files
HDF Native Center for Advanced Computer Applications (NCSA) geospatial Hierarchial data format files
HED HighEdit documents
HEL Microsoft Hellbender format saved game files
HEX Macintosh BinHex2.0 files
HGL HP Graphics Language mapping files
HHH Mapping files, including some topic IDs and mapping numbers for topics in the help file system - allows running applications to send the user contextually appropriate help topics
HLP Help files; Date CAD Windows help files
HOG Lucas Dark Forces WAD files for Arts
HPJ Visual Basic help project
HPP C++ program header files
HQX Macintosh BinHex 4.0 files
HST history files
HT HyperTerminal ( HyperTerminal)
HTM, HTML HyperText Documentation
HTT Microsoft HyperText Templates
HTX Extended HTML Templates
HXM Descent2 HAM Documentation Extension
ICA Citrix Documentation
ICB Targa Bitmap Documentation <
ICC Kodak Printer Format Files
ICL Icon Library Files
ICM Graphics Color Matching Configuration Files
ICO Windows Icons
IDB MSDev Middle Layer Files
IDD MIDI Device Definitions
IDF MIDI Device Definitions (files required for Windows 95)
IDQ Internet Data Query files
IDX Microsoft FoxPro related database index files; Symantec Q&A related database index files; Microsoft Outlook Express files
IFF Interchange Format files; Amiga ILBM
IGES Initial Graphics Interchange Explanation files
IGF Insertion System Metafile
IIF QuickBooks for Windows Interchange files
ILBM Bitmap graphics files
IMA WinImage Disk Image Files
IMG GEM Images
IMZ WinImage Compressed Disk Image Files
INC Assembly Language or Dynamic Server Containment Files
INF Information Files
INI Initialization Files; the "nwsynth ini" file for MWave DSP Synth. nwsynth.ini" GMS installation; Cravis Ultrasound bank installation
INP Oracle version 3.0 or earlier form source code
INRS INRS Remote Communication Sound
INS InstallShield installation Scripts; X-Internet Signature Files; Ensoniq EPS Word Cluster Devices; Cell/II MAC/PC Sampling Devices
INT Intermediate code, when a source program is syntax-checked and compiled to produce a piece of executable code
IOF Findit Documentation
IQY Microsoft Internet Query Files
ISO Listing of files on CD-ROMs according to ISD 9660 standards for CD-ROM file systems
ISP X-Internet Signature Files
IST Digital Tracking Device Files
ISU InstallShield uninstallation scripts
IT Pulse Tracking System Music Module (MOD) files
ITI Pulse Tracking System Equipment
ITS Pulse Tracking System Sampling, Internet Documentation Location
IV File Formats Used in Open Inventor
IVD More Than 20/20 Microdata Dimensions or Variables Levels file
IVP More than 20/20 user subset profiles
IVT More than 20/20 table or collection data files
IVX More than 20/20 microdata catalog files
IW Idlewild screen saver
IWC Install Watch documentation
J62 Ricoh Camera Format
JAR Java Archive File (a compressed file for applets and related files)
JAVA Java Source File
JBF Paint Shop Pro Image Viewer File
JFF, JFIF, and JIF JPEG files
JMPDiscovery table statistics files from JMP SAS
JN1 Jill of the Jungle data files from Epic MegaGames
JPE, JPEG, JPEG JPEG graphics files
JS javascript source files
JSP HTML page with a reference to a Java servlet
JTF JPEG bitmap files
K25 Kurzweil 2500 sampling files
KAR Karaoke MIDI files (text + MIDI)
KDC Kodak Light Enhancer
KEY DataCAD icon toolbar file
KFX KoFak Group 4 image file
KIZ Kodak digital postcard file
KKW RoboHELP Help Engineering Index Designer for all keywords starting with K that are not related to the subject
KMP Korg Trinity KeyMap files
KQP Konica camera local files
KR1 Kurzweil 2000 sampling (multi-floppy drive) files
KRZ Kurzweil 2000 sampling files
KSF Korg Trinity sampling files
KYE Kye Game Data
LAB Visual dBASE labeling files
LBM Deluxe Paint bitmap files
LBT, LBX Microsoft FoxPro labeling files
LDB Microsoft Access locking files
LDL Corel Paradox Distribution Library
LEG Legacy Documentation
LES Logitech Entertainment System Game Configuration Files (same as REC files)
LFT 3D Studio (DOS) Loadout Files
LGO Paintbrush (Microsoft Paintbrush Application) Logo files for LHA LZH Replacement file suffixes
LIB Library files
LIN DataCAD line files
Output files generated by the LIS Structured Query Report (SQR) program
LLX Laplink Exchange Agent
LNK Windows Shortcut Files
LOG Log Files
LPD Helix Nut and Bolt Files
LRC Intel Visual Phone Files
LSL Library Files Saved by Corel Paradox
LSP AutoLISP, CommonLISP, and Other LISPs Language Files
LST List Files
LU ThoughtWing Library Unit Files
LVL Parallax Software's Miner Descent/D2 Level Extension
LWLO Lightwave Layered Object Files
LWOB Lightwave Object Files
LWP Lotus WordPro 96/97 Files
LWSC Lightwave View Files
LYR DataCAD Layer Files
LZH LH ARC Compressed Archives
LZS Skyroads Data Files
MAD Microsoft Access module files
MAF Microsoft Access form files
MAG Graphics file formats found in some Japanese documents
MAGIC Magic Mail Monitor configuration files
MAK Visual Basil or Microsoft Visual C++ project files
MAM Microsoft Access macros
MAN UNIX manual page output
MAP mapping files; Duke Nukem 3D WAD game files
MAQ Microsoft Access query files <
MAR Microsoft Access report files
MAS Lotus Freelance Graphics Smart Master files
MAT Microsoft Access tables; 3D Studio MAX material library
MAUD MAUD Sampling format
MAX Kinetx's 3D Studio MAX files; the format used for a 3D scene file; Paperport files; OrCAD design files
MAZ Hover maze data; the file format used by Division's dVS/dVISE
MB1 Apogee Monster Bash data files
MBOX Berkeley Unix mailbox format
MBX Microsoft Outlook save email format; Eudora mailboxes
MCC Dailerl0 Calling Card
MCP Metrowerks CodeWarrior project files
MCR DataCAD keyboard macro files
MCW Macintosh documents for Microsoft Word
MDA Microsoft Access internal extractor; Microsoft Access 2.0 version 2.0 and later workgroup events
MDB Microsoft Access database
MDE Microsoft Access MDE files
MDL Music Module for Digital Tracker (MOD) files; Quake module files
MDN Microsoft Access Empty Database Template
MDN Microsoft Access Empty Database Templates
MDW Microsoft Access Workgroup Files
MDZ Microsoft