| ciso | Wii Compressed ISO Image |
| cramfs | Cramfs Image |
| cso | CSO Compressed PSP ISO Image |
| cue | CDRWIN Cue Sheet File |
| d41 | CCS64 Floppy Image |
| d64 | Commodore 64 Disk Image |
| d67 | VICE Floppy Image |
| d71 | Commodore 1571 Floppy Disk Image |
| d80 | Commodore CBM-8050 Disk Image |
| d81 | Commodore VC-1581 Disk Image |
| d82 | Commodore CBM-8250 Disk Image |
| d88 | Toshiba Pasopia 7 Disk Image |
| daa | Direct Access Archive |
| dao | Disk at Once CD/DVD Image |
| dax | DAX Compressed PSP ISO Image |
| dc42 | Apple Disk Copy 4.2 Disk Image |
| dcf | Disk Copy Fast Image |
| dco | Safetica Free Encrypted Virtual Disk Archive |
| ddfl | Symantec DiskDoubler Image |
| ddi | Diskdupe Disk Image |
| dimg | Classic Mac OS Disk Image |
| disc | Roxio Toast Disc Image |
| disk | Linux Virtual Hard Disk |
| dmg | Mac OS X Disk Image |
| dmgpart | Mac OS X Disk Image Part |
| dmk | TRS-80 Floppy Disk Image |
| dms | Amiga Diskmasher Disk Image |
| drh | Parallels Desktop Hard Disk Info |
| dsk | General Disk Image |
| dv1 | Gear DVD Video Image |
