| md1 | Gear CD-ROM Mode 1 Image |
| md2 | Alcohol 120% CD Image Segment |
| md3 | Alcohol 120% CD Image Segment |
| md4 | Alcohol 120% CD Image Segment |
| md5 | Alcohol 120% CD Image Segment |
| md6 | Alcohol 120% CD Image Segment |
| md7 | Alcohol 120% CD Image Segment |
| md8 | Alcohol 120% CD Image Segment |
| md9 | Alcohol 120% CD Image Segment |
| mdf | Alcohol 120% CD Image |
| mds | Alcohol 120% CD Image Descriptor |
| mds | Media Descriptor for Disk Image |
| mdv | QLAY MDV Image |
| mir | Mini Image Ripper Image |
| moml | Modeling Markup Language Document |
| msa | Atari ST MSA Floppy Disk Image |
| msx | MSX Disk Image |
| mur | Atari ST Disk Image |
| mzp | WinArchiver Mountable ZIP Archive |
| ncd | NTI CD/DVD-Maker Image |
| ndif | Mac OS X New Disk Image Format Image |
| ndz | Emulab Frisbee Disk Image |
| nkit | NKit Image |
| nn | Nero CD File List |
| nor | NOR File System Image |
| nrg | Nero CD Image |
| ntfs | NTFS Partition Image |
| omg | GFI Backup Hard Disk Image |
| opd | Opus Discovery Disk Image |
| opu | Opus Discovery Disk Image |
