| adl | EULANDA ERP System User Dictionary |
| adl | openEHR Archetype Definition Language File |
| adl | QEMM MicroChannel Adapter Description Library |
| adm | Addict Dictionary |
| adm | Adobe Creative Suite Application Bar Data |
| adm | Advantage Database Server Memo Data |
| adm | Alphacam Diecut Param Macro |
| adm | EULANDA ERP System Dictionary Data |
| adm | Portfolio Admin-Level Access Data |
| adm | Windows Administrative Template |
| adn | Lotus 1-2-3 Add-in |
| adn | Microsoft Access Blank Project Template |
| ado | Autodesk Simulation Mechanical Displacement Results Data |
| ado | Canvas Duotone Data |
| adobebridge | Adobe Bridge URL Data |
| adobenet | Adobe Production Studio Data |
| adp | Alphacam Diecut Post Data |
| adq | Microsoft Application Compatibility Toolkit Query Data |
| adr | After Dark Randomizer Data |
| adr | z-Tree Address Data |
| ads | ADS40 Header Data |
| ads | Agricultural Data Interchange Syntax File |
| adsklib | Autodesk Revit Material Library Data |
| adt | ABBYY Lingvo Custom Dictionary Text |
| adt | Act! Template |
| adt | Advantage Database Server Database |
| adt | Alphacam Diecut Tool Data |
| adt | Autodesk AutoCAD Audit Log |
| adt | Casio EX-word Phrase Database |
| adt | HP NewWave Card Application Data |
