| .mmw |
Microsoft Clip Organizer Media Catalog File |
| .mbr |
Master Boot Record File |
| .mar |
Mozilla Archive |
| .mlb |
MyLabel Designer Deluxe Project File |
| .msha |
Microsoft Help Asset File |
| .mshi |
Microsoft Help Index File |
| .mahjongtitanssave-ms |
Mahjong Titans Saved Game |
| .msl |
Mapping Specification Language File |
| .mdp |
FireAlpaca Image |
| .mam |
Microsoft Access Macro |
| .mic |
Image Composer File |
| .mag |
Access Diagram Shortcut File |
| .maw |
Access Data Access Page |
| .mdt |
Microsoft Access Data File |
| .mny |
Microsoft Money Data File |
| .master |
ASP.NET Master Page |
| .mig |
Windows Migration Backup File |
| .mpw |
Microsoft Project Workspace File |
| .mesh |
3D Mesh Model |
| .mzz |
Microsoft .NET Download Package |
| .mgc |
Microsoft Clip Organizer Media Catalog |
| .mfcribbon-ms |
MFC Ribbon Definition XML File |
| .mbsa |
Microsoft Baseline Security Analyzer File |
| .mui_cccd5ae0 |
Hid User Library |