| .m |
Objective-C Implementation File |
| .msp |
Windows Installer Patch |
| .mod |
Amiga Music Module File |
| .ma |
Maya Project File |
| .mdl |
MathWorks Simulink Model |
| .mpx |
FoxPro Compiled Menu Program |
| .map |
Quake Engine Map File |
| .ms |
Maxwell Script |
| .mel |
Maya Embedded Language File |
| .mmp |
Symbian Project Specification File |
| .m3u8 |
UTF-8 M3U Playlist File |
| .mm |
FreeMind Mind Map |
| .mxi |
Adobe Extension Information File |
| .md |
Markdown Documentation File |
| .mif |
MapInfo Interchange Format File |
| .mmf |
Meal-Master Recipe File |
| .mpkt |
MOPEKS Trial File |
| .mjk |
Question File |
| .mdj |
StarUML Model File |
| .mdsx |
MEGA Saved Session |
| .mps |
Mathematical Programming System File |
| .m4 |
Macro Processor Library |
| .mak |
Makefile |
| .mbox |
E-mail Mailbox File |