| da2 | HammerTap DeepAnalysis Save |
| dab | OrangeCD Database |
| dad | Chromeleon Audit Trail Data |
| dad | Chromeleon Channel Raw Data |
| dad | Chromeleon Control Panel |
| dad | Chromeleon Generic Driver Configuration |
| daemonscript | Daemon Tools Script |
| daf | Digital Anchor Data |
| dai | Dream Aquarium Patch |
| dak | Debian Archive Kit Data |
| dal | Download Accelerator Plus List |
| dam | DeltaMaster Analysis Model |
| dan | D-MAS Analysis Data |
| dap | Download Accelerator Plus Partial Data |
| daq | Data Acquisition Toolbox File |
| dartclip | Dartfish inTheAction Clip Metadata |
| das | DeltaMaster Analysis Session Data |
| dash | Dashlane Profile |
| dashboard | IR Prognosis WebUI Dashboard |
| dat | Affymetrix Image Data File |
| dat | DataFlex Database File |
| dat | eM Client Database |
| dat | General Data File |
| dat | Nero BackItUp Drive Image |
| dat | Radiance Data File |
| dat | Shareaza Thumbnail Data |
| dat | SVAL Frequency-time Spectrogram Data |
| dat | Tecplot ASCII Data |
| dat | Treepad Database |
| dat-shm | eM Client SHM Data |
