| depot | HP-UX Software Distributor Catalog Depot |
| desktop | Desktop Entry |
| diagcfg | Windows Troubleshooting Pack Configuration |
| dirac | DIRAC Configuration Data |
| dkm | DynaComm Asynchronous Keyboard Mapping |
| dmms | iMindQ Mind Map Style |
| dno | DriveTools SP DriveExecutive Parameters |
| docc | DragThing Color Settings |
| dok | DesktopOK Icons Layout |
| dolphinview | Dolphin Folder View Settings |
| dpf | DOpus v9 Preferences Data |
| dps | DOpus Exported Settings |
| dpst | DYNAMICS Presets Data |
| dr2 | Aurora Data Resource Definition |
| ds7 | Casio WK-3000 User DSP |
| dst | RAD Studio Desktop Settings |
| dsx | DAZ Studio Configuration |
| dtsconfig | SSIS Package Configuration |
| dtstyle | Darktable Style Data |
| dun | Dial Up Networking Exported Settings |
| dvv | NiceLabel Pro Default Values |
| dxc | CA Directory DXserver Configuration |
| eaglerc | EAGLE Linux User-specific Parameters Data |
| ec7 | EuroCUT Profile Data |
| ecf | Microsoft Outlook Extension Configuration File |
| efc | eFiler Configuration |
| efsp | Effective File Search Parameters Data |
| eftx | Microsoft Office 2007 Theme |
| ehi | HTTP Injector Config |
| ehil | Evozi HTTP Injector Lite Data |
| ein | Skyplot Settings Data |
| ekm | Micro Focus Extra! Keyboard Map |
| elu | LISCAD ESRI Lookup File |
| emv | LabVIEW EuroMeV Configuration File |
| eni | EtherCAT Network Information File |