| .manifest |
Windows Application Manifest File |
| .mtf |
Multi Tracker File |
| .msf |
Mail Summary File |
| .mnx |
FoxPro Menu |
| .mab |
Mozilla Address Book |
| .md0 |
Alcohol Disk Image Segment 1 |
| .mls |
Milestones Simplicity File |
| .mrk |
DPOF Auto Print Order File |
| .mvi |
AutoCAD Movie Command File |
| .mco |
Live Messenger Winks File |
| .mmo |
Memory Map Overlay File |
| .msu |
Windows Vista Update Package |
| .mpcpl |
Media Player Classic Playlist |
| .mc2 |
MasterCook 5 Cookbook File |
| .mnl |
AutoCAD Menu LISP File |
| .mbs |
Opera Mailbox File |
| .mjdoc |
MacJournal Document |
| .mgdatabase |
MacGourmet Deluxe Database File |
| .mgo |
MacGourmet Recipe File |
| .msrcincident |
Windows Remote Assistance Invitation File |
| .mobileprovision |
Xcode Mobile Provisioning Profile |
| .mailtoloc |
Mail Internet Location File |
| .mar |
Mozilla Archive |
| .mta |
Samsung AllShare Metadata File |