| dlp | Microsoft DirectMusic Producer Audio |
| dls | Downloadable Sounds File |
| dmc | FamiTracker DPCM Sample |
| dmf | X-Tracker Music Module |
| dmkit | Drumaxx Kit Data |
| dmpatch | Fruity Loops Studio Drumpad Data |
| dmptrn | Fruity Loops Studio Pattern Data |
| drm | Cubase Drum Map |
| dro | DOSBox Raw OPL Format Data |
| ds2 | DSS Pro Voice |
| dsdiff | Direct Stream Digital Interchange File Format Data |
| dsm | Dynamic Studio Module |
| dsp | Dynamic Studio Professional Module |
| dss | Digital Speech Standard Voice |
| dtm | DigiTrekker Music Module |
| dts | DTS Encoded Audio File |
| dtscore | DTS Core Audio Stream |
| dtshd | DTS-HD Master Audio Suite Data |
| dtsma | DTS-HD Master Audio |
| dub | Tuningwrench Compressed Audio |
| dvf | Sony Digital Voice Recorder Audio |
| dvw | Dektron Digital Voice Recorder Voice |
| dw | David Whittaker Format Music |
| dwd | DiamondWare Digital Audio |
| dx7 | Yamaha DX7 Raw Audio |
| dyf | Audio DiffMaker Data |
| e2ev | Korg Electribe Event Recorder Pattern |
| e2pat | Electribe 2 Pattern |
| eac3 | Enhanced AC-3 Audio |
| ear | ETI Audio Recording File |
| edm | Ensoniq Mirage Disk Image |
| efa | Ensoniq ASR File |
| efe | Ensoniq EPS Instrument File |
| efk | Ensoniq KT Audio Data |
| efq | Ensoniq SQ1 Instrument Data |