| did | Verity Server Index Data File |
| dif | MAME CHD Diff Data |
| dif | OS/2 Warp Display Information |
| dii | AD Summation iBlaze Data |
| dii | TrialDirector Load Data |
| dil | DesignComposer Presentation Input Script |
| dil | WordExpress DIL Data |
| dim | Adobe Dimension Geometry Data |
| dim | Direct Internet Message Encapsulation Data |
| dim | TripleSat DIMAP Data |
| dime | Direct Internet Message Encapsulation Data |
| din | WRAP DAY Input Data |
| dinfo | DivX Temporary Video Info |
| dip | DVDINFOPro Data |
| dipx | DVDINFOPro Data |
| dir | Procomm Plus Dialing Directory |
| dir | WOW! Diagnostic Directory Data |
| dir00 | Windows Disk Defag Error Dump |
| dis | CorelDraw Thesaurus Dictionary |
| dis | DATAIR Data Import Specification Layout |
| dis | MODFLOW Discretization Package |
| dis | MSC Patran Displacement Results |
| dis | WRAP Flow Distribution Watershed Parameters Data |
| discgrp | Geomview Discrete Groups Data |
| disp | Altair OptiStruct Displacement Data |
| dist | PLINK Genomic Hamming Distance Matrix |
| dist | SAM Scoring Data |
| dist-rdb | SAM RDB Scoring Data |
| distz | Mac OS X Distribution Data |
| dit | Windows 2000 Active Directory Data Store |
