The following tables display file extensions associated with disk files, with extensions for the most commonly encountered file formats listed first:
| File Extension |
File Description |
| .dmg |
Mac OS X Disk Image
Open with Mac OS X Apple Disk Utility (Mac) or Daemon Tools (Windows). |
| .iso |
Disc Image
Open with Disk Utility (Mac OS X) or Sonic (Roxio) Easy CD Creator,
WinISO or WinRAR (Windows). |
| .nrg |
Nero CD Image
Open with Nero CD burning or disc authoring software. |
| File Extension |
File Description |
| .adf |
Amiga Disk Image |
| .cif |
CD Disk Image |
| .cue |
Cue Sheet Track |
| .daa |
Direct-Access-Archive |
| .dms |
Disk Masher Image |
| .dsk |
Disk Image |
| .gcd |
CD Image |
| .gi |
Global Image |
| .ima |
Disk Image |
| .image |
Apple Disk Image |
| .img |
Macintosh Disk Image |
| .pqi |
PowerQuest Drive Image |
| .smi |
ShrinkWrap Disk Image |
| .vc4 |
Virtual CD Disk Image |
| .vcd |
Virtual CD |
