| Extension | File Description |
| .DRIFT | Uncommon Files |
| .DRINDX | Uncommon Files |
| .DRIVE | Uncommon Files |
| .DRIVER | Uncommon Files |
| .DRIVERS | Uncommon Files |
| .DRIVES | Uncommon Files |
| .DRJ | Uncommon Files |
| .DRK | Uncommon Files |
| .DRML | Uncommon Files |
| .DRMX | Uncommon Files |
| .DRN | Uncommon Files |
| .DRO | Uncommon Files |
| .DRP | Uncommon Files |
| .DRPF | Uncommon Files |
| .DRQ | Uncommon Files |
| .DRR | Uncommon Files |
| .DRS | Uncommon Files |
| .DRT | Uncommon Files |
| .DRU | Uncommon Files |
| .DRUG | Uncommon Files |
| .DRUM | Uncommon Files |
| .DRUMS | Uncommon Files |
| .DRVR | Uncommon Files |
| .DRWHO | Uncommon Files |
| .DRX | Uncommon Files |
| .DRY | Uncommon Files |
| .DR_ | Uncommon Files |
| .DS0 | Uncommon Files |
| .DS1 | Uncommon Files |
| .DS2 | Uncommon Files |
| .DS2RES | Uncommon Files |
| .DS3 | Uncommon Files |
| .DS4 | Uncommon Files |
| .DS5 | Uncommon Files |
| .DS6 | Uncommon Files |
| .DS7 | Uncommon Files |
| .DS8 | Uncommon Files |
| .DS9 | Uncommon Files |
| .DSASAVE | Uncommon Files |
| .DSCE | Uncommon Files |
| .DSCMD | Uncommon Files |
| .DSCRIP | Uncommon Files |
| .DSDF | Uncommon Files |
| .DSDICT | Uncommon Files |
| .DSDLL | Uncommon Files |
| .DSES | Uncommon Files |
| .DSH | Uncommon Files |
| .DSJ | Uncommon Files |
| .DSL | Uncommon Files |
| .DSMAP | Uncommon Files |
| .DSN6 | Uncommon Files |
| .DSPACKAGE | Uncommon Files |
| .DSPARTY | Uncommon Files |
| .DSPLUGIN | Uncommon Files |
| .DSQ | Uncommon Files |
| .DSQSAVE | Uncommon Files |
| .DSR | Uncommon Files |
| .DSRES | Uncommon Files |
| .DSSAVE | Uncommon Files |
| .DSSL | Uncommon Files |
| .DSSLIDESHO | Uncommon Files |
| .DSST | Uncommon Files |
| .DSTF | Uncommon Files |
| .DSU | Uncommon Files |
| .DT | Uncommon Files |
| .DT3 | Uncommon Files |
| .DT4 | Uncommon Files |
| .DT5 | Uncommon Files |
| .DT6 | Uncommon Files |
| .DT7 | Uncommon Files |
| .DT8 | Uncommon Files |
| .DT9 | Uncommon Files |
| .DTAUS | Uncommon Files |
| .DTAZV | Uncommon Files |
| .DTB | Uncommon Files |
| Extension | File Description |
| .DTC | Uncommon Files |
| .DTE | Uncommon Files |
| .DTEA | Uncommon Files |
| .DTED | Uncommon Files |
| .DTERMLICEN | Uncommon Files |
| .DTG | Uncommon Files |
| .DTH | Uncommon Files |
| .DTI | Uncommon Files |
| .DTJ | Uncommon Files |
| .DTK | Uncommon Files |
| .DTL | Uncommon Files |
| .DTN | Uncommon Files |
| .DTO | Uncommon Files |
| .DTQ | Uncommon Files |
| .DTT | Uncommon Files |
| .DTU | Uncommon Files |
| .DTV | Uncommon Files |
| .DTY | Uncommon Files |
| .DTZ | Uncommon Files |
| .DU0 | Uncommon Files |
| .DU1 | Uncommon Files |
| .DU2 | Uncommon Files |
| .DU3 | Uncommon Files |
| .DU4 | Uncommon Files |
| .DU5 | Uncommon Files |
| .DU6 | Uncommon Files |
| .DU7 | Uncommon Files |
| .DU8 | Uncommon Files |
| .DU9 | Uncommon Files |
| .DUA | Uncommon Files |
| .DUB | Uncommon Files |
| .DUCF | Uncommon Files |
| .DUCX-BP | Uncommon Files |
| .DUCX-CU | Uncommon Files |
| .DUCX-OM | Uncommon Files |
| .DUCX-OS | Uncommon Files |
| .DUCX-RS | Uncommon Files |
| .DUCX-UC | Uncommon Files |
| .DUCX-UI | Uncommon Files |
| .DUCX-XP | Uncommon Files |
| .DUD | Uncommon Files |
| .DUE | Uncommon Files |
| .DUEL | Uncommon Files |
| .DUET | Uncommon Files |
| .DUF | Uncommon Files |
| .DUG | Uncommon Files |
| .DUH | Uncommon Files |
| .DUI | Uncommon Files |
| .DUJ | Uncommon Files |
| .DUK | Uncommon Files |
| .DUL | Uncommon Files |
| .DUM | Uncommon Files |
| .DUNGEON | Uncommon Files |
| .DUO | Uncommon Files |
| .DUP | Uncommon Files |
| .DUPLICATEZ | Uncommon Files |
| .DUPX | Uncommon Files |
| .DUQ | Uncommon Files |
| .DUR | Uncommon Files |
| .DUSTCLOUD | Uncommon Files |
| .DUT | Uncommon Files |
| .DUU | Uncommon Files |
| .DUV | Uncommon Files |
| .DUW | Uncommon Files |
| .DUX | Uncommon Files |
| .DUY | Uncommon Files |
| .DUZ | Uncommon Files |
| .DV0 | Uncommon Files |
| .DV1 | Uncommon Files |
| .DV2 | Uncommon Files |
| .DV3 | Uncommon Files |
| .DV4 | Uncommon Files |
| .DV5 | Uncommon Files |
| .DV6 | Uncommon Files |
| .DV7 | Uncommon Files |
