| sdk | Smart Diary Suite Cookbook |
| sdkmesh | Microsoft DirectX SDK Mesh Data |
| sdl | Corel Paradox Script |
| sdl | SmartDraw Library |
| sdl | Suunto Dive Log |
| sdlprofile | SDL Trados Exported User Profile |
| sdlrpx | SDL Trados Return Package |
| sdltb | SDL MultiTerm Termbase |
| sdltm | SDL Trados Translation Memory |
| sdlxliff | SDL Trados XLIFF Localization |
| sdm | BrainVoyager QX Design Matrix |
| sdm | STATISTICA Workspace |
| sdmx | Statistical Data and Metadata eXchange Dataset |
| sdn | Smart Diary Suite Ingredients Data |
| sdo | DB/TextWorks Database Deferred Update Directory |
| sdp | Smart Diary Suite Planner Data |
| sdpa | SDPA Data |
| sdpc | CoCreate SolidDesigner Data |
| sds | Smart Diary Suite Database |
| sdtbx | XTRF Terminology Database |
| sdtheme | Nintendo Desktop Manager Theme Data |
| sdtid | RSA SecurID Software Token Import Data |
| sdts | Spatial Data Transfer Standard File |
| sdv | Smart Diary Suite Voice Data |
| sdv | WDK Static Driver Verifier Rules |
| sdx | Smart Diary Suite Temporary Data |
| sdxf | Structured Data eXchange Format Data |
| sdxm | SDX Signed Data |
| sdxx | Autodesk AutoCAD Civil 3D Survey Database Extended Properties |
| sdy | Starmoney Database File |
