| 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 | ArcView INFO Directory Manager 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 |
| dita | DITA Document |
| ditamap | DITA Topic Map |
| ditaval | DITA Conditions Data |
| dix | Adobe Bridge DIX Data |
| dix | Apertium Monodix Dictionary Data |
| dix | Money S3 Data |
| dix | Stonevoice Translator Custom Dictionary |
| diy | My Drivers Backup Setup |
