| DAT | Dynamic Link Library | 56619 | RecoveryStore.{455B3C8F-2930-492C-94AF-E974E128B475}.dat |
| DATA | Data | 1140 | dp.data |
| DB | Database | 17822 | data.db |
| DB-SHM | | 2139 | 23cca504fee6bbcb3ecca82eafaa8b62.db-shm |
| DB-WAL | Database | 1091 | acpl.db-wal |
| DBF | Database | 81 | natick_ned_metadata.dbf |
| DBL | System | 5 | wpa.dbl |
| DCP | Developer | 9479 | Canon PowerShot G9 X Mark II Adobe Standard.dcp |
| DCT | Data | 210 | fin2.dct |
| DDS | Raster Image | 21055 | San_ob_bench_9465_14159.dds |
| DEFAULT | Internet Web | 74 | legacy.web_lowtrust.config.default |
| DEP | Developer | 7 | activex.dep |
| DESKLINK | System | 7 | Desktop (create shortcut).DeskLink |
| DEU | Data | 6 | gdbnt.DEU |
| DGML | Developer | 3 | graph.dgml |
| DHS | Vector Image | 1 | ID_028.DHS |
| DIA | Database | 4 | SETTINGS.DIA |
| DIAGPKG | System | 74 | DiagPackage.diagpkg |
| DIB | Raster Image | 26 | 3C2STAGL.DIB |
| DIC | Dynamic Link Library | 633 | de-DE.dic |
| DIR | Video | 41 | encodings.dir |
| DIT | | 1 | adamntds.dit |
| DLG | Game | 18 | fileopen.dlg |
| DLL | Dynamic Link Library | 312194 | ext-ms-win-gui-uxinit-l1-1-0.dll |
| DLM | Plugin | 38 | l1033.dlm |
| DLS | Audio | 23 | club.dls |
| DOC | Text | 87 | BlankEqn.doc |
| DOT | Page Layout | 90 | Contemporary Letter.dot |
| DOTX | Page Layout | 640 | OrielReport.Dotx |
| DPB | Backup | 97 | nehb2.dpb |
| DPC | Data | 7 | ID_1002E.DPC |
| DPV | Settings | 576 | CONTACTINFOBB.DPV |
| DPX | Raster Image | 1 | InstallPackage_ETW.Log.dpx |
| DRV | Driver | 88 | vga.drv |
| DS | Executable Application | 11 | omHumanSurfaceDef.ds |
| DTD | Developer | 302 | BasicElements.dtd |
| DUN | Game | 11 | obeip.dun |
| DXT | Game | 233 | EP0NOJ8I.DXT |
| DYC | System | 38 | XB55P_A.DYC |
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