| d5d | Dragon UnPACKer Driver |
| des | GameGuard Plugin |
| desklink | Windows Desktop Shortcut |
| develve | Develve Data File |
| devicesalt | NOOK Device Salt |
| dfk | D Fusion Key File |
| dfp | Fusion Plugin |
| dfu | DFUWizard Firmware Image |
| iOS Device Firmware Upgrade File |
| dgaddin | DigiGuide Add-in |
| dhv | Doc-To-Help File Lock |
| diagcab | Windows Troubleshooting Pack Cabinet |
| diagpkg | Windows Troubleshooting Pack Data |
| diff | Diff Output |
| dimax | DiMAX Firmware Image |
| dio | HP iPaq 914c Flash Data |
| directory | KDE Desktop Folder View Properties |
| dis | Soundweb Firmware Update |
| discovery | HP Printer Utility for Mac Discovery Plugin |
| diskdefines | Linux LiveCD Information |
| dist | Mac OS X Distribution Script |
| djplugin | Digital Juice Juicer Plug-in |
| dke | DriveLock FDE Disk Key |
| dkp | Dreamkeys Plug-in |
| dle | Autodesk 3D Studio MAX Export Plugin |
| dlf | Belkin Router Firmware Update |
| dlg | Microsoft Windows Dialog Resource Script |
| dli | Autodesk 3D Studio MAX Import Plugin |
| dlk | XProtect Device Licence Key |
| dlm | Akamai Download Manager File |
| Autodesk 3D Studio Max Modifier Plugin |
| dlo | Autodesk 3D Studio MAX Plugin |
| dlr | finalRender Plugin |
| dlu | Autodesk 3D Studio MAX Utility Plugin |
| dlx | Autodesk 3D Studio MAX MAXScript Plugin |
| Renamed DLL File |
| dmd | OS/2 Warp Device Manager Driver |
| dns | DynSite Plug-in |
| do7 | MS-DOS 7.0 System File |
| doc# | LibreOffice Document Lock |
| docenx | Egis Encrypted Data |
| docklet | ObjectDock Docklet |
| docxenx | Egis Encrypted Data |
| dos | Renamed MS-DOS System File |
| dow | TAPCIS Command List |
| downloading | Pando Incomplete Download |
| dpt | Better File Rename Droplet |
| dr3 | V-Control Import Driver |
| dropbox | Dropbox Shared Folder Tracker |
| drpm | Delta RPM Package |
| drvf | FaxSTF Driver |
| dsa | PKCS7 Signature |
| dsk | Novell NetWare Disk Driver |
| dsp | Dr. Halo Display Driver |
| dsplugin | Desktop Sidebar Plug-in |
| dstudio | DownloadStudio Incomplete Download |
| dtk | Datakit CrossManager License Key |
| dt_ | Macintosh Data Fork |
| dumodule | Apple Mac OS X Disk Utility Plugin |
| dvd | MS-DOS DVD Reader Driver |
| dwc | Emulex DWC Firmware Update |
| dwlibrary | Paperless Document Library |
| dwn | Cisco Router Firmware Update |
| dx18 | Spektrum DX18 Transmitter Firmware |
| dyl | Psion 3 Dynamic Link Library |
| dzp | DirectorZone Particle Effect |
| e4a | Encrypt4all Archive |
| ebn | Philips PSA260 Firmware Image |
| ebs | Eventcorder Script |
| ecd | CoCut Plotter Printer Driver |
| ecf | WinFax Office Add-in |
| ed2k | eDonkey Network Download Link |
| edj | Enlightenment Edje Theme |
| ee | Encrypt Easy Encrypted File |
| eee | 3eee Triple Encryption Encrypted File |
| efc | FAIRCOPY Encrypted Data |
| efires | Mac OS X EFI Image |
| efr | Encryptafile Private Key |
| efslib | eSignal EFS Function Library |
| efss | Effective File Search Script |
| efu | Encryptafile Public Key |
| efw | CA Security Renamed File |
| egisenc | Egis Encrypted Data |
| egisenx | Egis Encrypted Data |
| egplugin | EventGhost Plugin |
| ehx | C2Prog Extended HEX File |
| eio | Yozo Office Binder File |
| ema | EPLAN Macro File |
| emerald | Emerald Theme |
| emfw | Intel Omni-Path Switch Externally-managed Firmware |
| emg | LabVIEW EMGWorks DataPlugin |
| enc2 | Samsung Galaxy Encrypted Firmware Update |
| enlic | Enounce MySpeed License Data |
| eob | IBM Content Engine Bulk Import Batch |
| eos | Arista EOS Script |
| epu | EPSi Firmware Image |
| es3 | e-Szigno Signed Document |
| et3 | e-Szigno Recorded Delivery Data |
| etl | Windows Event Trace Log |
| etsapp | KNX ETS App |
