| .dfg |
Data Flask Grid File |
| .dfs |
BrainSuite Surface File |
| .dgt |
DST Thumbnail File |
| .developerprofile |
Xcode Developer Profile |
| .dat_mcr |
Minecraft Level.dat Backup File |
| .decrypt |
Decrypted Microsoft ESD File |
| .docset |
Doxygen Document Set File |
| .dpf |
Dargon Package |
| .drmx |
Drumlin Fully Secure PDF File |
| .dset |
Kratos Dataset File |
| .db.crypt |
WhatsApp Encrypted Database File |
| .db2 |
Samsung CCTV Video Information File |
| .dke |
DriveLock FDE Disk Key File |
| .dyc |
Xerox Printer Driver Configuration File |
| .dthumb |
Android Data Thumbnail |
| .docmhtml |
Microsoft Word MIME HTML Document |
| .dn1 |
Duke Nukem 1 Game Data File |
| .dn2 |
Duke Nukem Episode 2 Game File |
| .dn3 |
Duke Nukem Episode 3 Game File |
| .dvdr |
DVD/CD-R Master Image |
| .dwa |
Digital Waveform Archiver Audio File |
| .day |
Day of the Zombie Map File |
| .dimax |
DiMAX Firmware Image File |
| .devicesalt |
NOOK Device Salt File |