| dot | CorelDraw Lines Definition Data |
| dot | Ribbons Dot Definition |
| dotmenx | Egis Encrypted Word 2007 DOTM Document |
| dotxenx | Egis Encrypted Word 2007 DOTX Document |
| dov | BiRT Actuate Query Definition File |
| download | Mozilla Firefox Partial Download |
| download | Partially Downloaded File |
| downloaded | ICQ 6 Hash Data |
| dox | Actuate e.Report Basic Information Object |
| dp1 | DataPower Database |
| dp2 | DatePad 2 Data |
| dp4 | Actuate Analytics Cube Profile |
| dpa | Dataplore Signals ASCII Data |
| dpatch | Dpatch Patch Data |
| dpb | DataPilot Data |
| dpb | Dataplore Signals Binary Data |
| dpc | Cadence OrCAD Design Rule Check Output Data |
| dpcache | Apple iPhoto Desktop Photos Cache |
| dpd | OmniServer Protocol Data |
| dpe | DPwinEHE Calculation |
| dpf | COMPRESS Drafter Data |
| dpf | F-Secure Default Policy File |
| dpg | DPGraph Mathematical Graph |
| dpgraph | DPGraph Mathematical Graph |
| dph | BAT Detector Plane Histogram Data |
| dpi | Adlib Express Document Processing Information |
| dpl | Digital Photo Librarian database |
| dplm | Digital Path Lines Memorizer Line Coordinates Data |
| dply | RootCause Deploy Data |
| dpm | ANSYS Fluent DPM Output Data |
| dpm | DataPilot Ringtone Data |
| dpm | Dataplore Macro |
| dpr | ASReml Double Precision Binary Data |
| dpr | Digital InterPlot Data |
| dprec | Drawpile Record Data |
