| dh | David Hanney Music |
| dig | Digilink Format Audio Data |
| dig | Sound Designer Audio |
| digi | DIGIBooster Music Module |
| djmusic | Digital Juice Juicer Music |
| dlp | Microsoft DirectMusic Producer Audio |
| dls | Downloadable Sounds File |
| dm | DeltaMusic Music Module |
| dmc | FamiTracker DPCM Sample |
| dmf | X-Tracker Music Module |
| dmkit | Drumaxx Kit Data |
| dmo | Twin TrackPlayer Music |
| dmpatch | Fruity Loops Studio Drumpad Data |
| dmptrn | Fruity Loops Studio Pattern Data |
| dmu | Digital Mugician Music Module |
| dr8 | FXpansion DR008 Drumkit Data |
| drm | Cubase Drum Map |
| drm | ZOOM MRS-802 Drum Kit Data |
| dro | DOSBox Raw OPL Format Data |
| ds2 | DSS Pro Voice |
| dsdiff | Direct Stream Digital Interchange File Format Data |
| dsf | Sega Dreamcast Audio Data |
| dsm | Dynamic Studio Module |
| dsp | Dynamic Studio Professional Module |
| dss | Digital Speech Standard Voice |
| dtm | DeFy Adlib Tracker Music |
| dtm | Digitrakker Music Module |
| dtm | DigiTrekker Music Module |
| dts | DTS Encoded Audio File |
| dtscore | DTS Core Audio Stream |
