| M1V |
MPEG-related
file |
| M3D |
3D
animation (Corel Motion) |
| M3U |
MPEG
URL (MIME audio file) (MP3 Play list) |
| M4 |
M4
Preprocessor file (Unix) |
| MAC |
Image
(Mac-Paint) |
| MAC |
Macro |
| MAD |
Module
(Microsoft Access) |
| MAF |
Form
(Microsoft Access) |
| MAI |
Mail
(VAX) |
| MAK |
Project
(Visual Basic or Microsoft C++) |
| MAK |
Make
File |
| MAM |
Macro
(Microsoft Access) |
| MAN |
Manual
page output (Unix) |
| MAN |
Command
module (Unix) |
| MAP |
Map
File |
| MAP |
Color
palette |
| MAP |
Format
data (Micro grafx Picture Publisher) |
| MAQ |
Query
(Microsoft Access) |
| MAR |
Report
File Microsoft Access |
| MAR |
Assembly
program (VAX Macro) |
| MAS |
Graphics
file (Lotus Freelance Smart master) |
| MAT |
Table
(Microsoft Access) |
| MAX |
3D
scene (Kinetix 3D Studio Max) |
| MB |
Memo
field values for database (Paradox) |
| MB1 |
Data
file (Apogee Monster Bash) |
| MBOX |
Mail
box file (Berkeley Unix) |
| MBX |
Extension
Microsoft Outlook adds to saved email,
Eudora mailboxes |
| MCC |
Configuration
file (Math Cad) |
| MCD |
Document
(Math Cad) |
| MCF |
Font
file (Math Cad) |
| MCP |
Project
file (Metro werks Code Warrior) |
| MCR |
Data
Cad Keyboard Macro file |
| MCW |
Document
(Microsoft Word for Macintosh) |
| MCW |
Text
document (Mac Write II) |
| MDA |
Add
in file Microsoft Access |
| MDA |
Workgroup
(Microsoft Access version 2) |
| MDB |
Database
(Microsoft Access) |
| MDE |
Microsoft
Access |
| MDL |
Music
module (MOD) (Digital Trakker) |
| MDL |
Model
file (Quake) |
| MDM |
Modem
definition (Telix) |
| MDN |
Blank
database template (Microsoft Access) |
| MDT |
Add-in
file (Data) (Microsoft Access) |
| MDW |
Workgroup
(Microsoft Access) |
| MDZ |
Wizard
template (Microsoft Access) |
| ME |
ASCII
text document |
| MEB |
Macro
editor bottom overflow library (Microsoft
Word Perfect for Windows) |
| MED |
Macro
editor delete save file (Microsoft Word
Perfect for Windows) |
| MEM |
Macro
editor macro (Microsoft Word Perfect for
Windows) |
| MEM |
Memory
variable save file (Microsoft Fox Pro) |
| MEQ |
Macro
editor print queue file (Microsoft Word
Perfect for Windows Library) |
| MER |
Format
for interchanging spreadsheet/database
data |
| MER |
Macro
editor resident area (Microsoft Word
Perfect for Windows Library) |
| MES |
Macro
editor workspace file (Microsoft Word
Perfect for Windows) |
| MES |
Message
File |
| MET |
Macro
editor top overflow file (Microsoft Word
Perfect for Windows Library) |
| MET |
Document
file (Omni Page Pro) |
| MEU |
DOS
Shell Menu |
| MEX |
Macro
editor expound file (Microsoft Word Perfect
for Windows) |
| MGF |
Font
file (Micro Grafx) |
| MHT |
MHTML
document (Microsoft) |
| MHTM |
MHTML
document (MIME) |
| MI |
Miscellaneous
file |
| MIC |
Image
Composer file (Microsoft) |
| MID |
MIDI
File |
| MIF |
Interchange
format (Adobe Frame Maker) |
| MIFF |
Machine
Independent File |
| MIM |
A
multipart file in the Multi-Purpose Internet Mail
Extension |
| MIME |
Multi-Purpose
Internet Mail Extensions |
| MIX |
Picture
file (Microsoft Photo Draw 2000) |
| MIX |
Picture
file (Microsoft Picture-It |
| MIX |
Package
file (Command & Conquer) |
| MJF |
Audio
file similar to MP3 |
| MK |
Makefile |
| MKE |
Makefile
(Microsoft Windows SDK) |
| MLB |
Macro
library (Symphony) |
| MLID |
Multiple
link interface driver file |
| MMC |
Catalog
file (Microsoft Clip Gallery 5.x) |
| MMF |
Mail
message file (Microsoft Mail) |
| MMF |
A
multipart file in the Multi-Purpose Internet Mail
Extensions |
| MMM |
Multimedia
movie (Microsoft) |
| MMM |
Multimedia
movie (Macro Mind Director 3.x) |
| MN2 |
Mission
file (Descent2) |
| MN3 |
Mission
file (Descent3) |
| MND |
Menu
source (Auto CAD Menu Compiler) |
| MNG |
Animation
Shop Animation |
| MNT |
Menu
file (Microsoft Fox Pro) |
| MNU |
Advanced
macro (HP New Wave) |
| MNU |
Menu
(Auto CAD Menu Compiler) |
| MNX |
Menu
(Microsoft Fox Pro) |
| MNX |
Compiled
menu (Auto CAD) |
| MNY |
Account
book (Microsoft Money) |
| MOB |
Device
definition (PEN for Windows) |
| MOD |
Kernel
module (Microsoft Windows 9.x) |
| MOV |
Movie
(QuickTime for Microsoft Windows) |
| MOZ |
Zipped
MOD File |
| MP2 |
MPEG
Audio Layer 2 |
| MP3 |
MPEG
Audio Layer 3 |
| MPA |
MPEG-related
file |
| MPC |
Calendar
file (Microsoft Project) |
| MPD |
Database
file (Microsoft Project) |
| MPE |
MPEG
animation |
| MPEG |
MPEG
animation |
| MPG |
MPEG
animation |
| MPM |
Math
plan Macro library (Word Perfect
for Windows) |
| MPP |
Project
file (Microsoft Project) |
| MPP |
Drawing
File CAD |
| MPR |
Menus
Microsoft Fox Pro |
| MPT |
Bitmap
graphics (Mult page TIFF) |
| MPV |
View
file (Microsoft Project) |
| MPX |
Compiled
menu program (Microsoft Fox Pro) |
| MRB |
Multiple
resolution bitmap graphics (Microsoft
C/C++) |
| MRS |
Macro
resource file (Microsoft Word Perfect for
Windows) |
| MSC |
Makefile
(Microsoft C) |
| MSC |
Common
console document (Microsoft Windows
2000) |
| MSD |
Diagnostics
report file |
| MSG |
Mail
Message |
| MSI |
Installer
package (Microsoft Windows) |
| MSN |
Network
document (Microsoft) |
| MSP |
Paint
bitmap (Microsoft) |
| MST |
Windows
Installer transform |
| MST |
Setup
script (Microsoft SDK) |
| MSW |
Text
file (Microsoft Word) |
| MTM |
Music
Module |
| MU |
Menu
(Quattro Pro) |
| MUL |
Ultima
Online file |
| MUS |
Music |
| MUS |
Interactive
music audio data file (Electronic Arts) |
| MV |
Server-side
script file (Miva) |
| MVB |
Multimedia
Viewer file (Microsoft) |
| MWP |
Smart
master file (Lotus Word Pro 97) |
| MXT |
Datafile
(Microsoft C) |
