| sct | SPSS Template Data |
| sct01 | SAS Catalog Data |
| sctid | RSA SecurID Software Certficate Import Data |
| scvd | µVision System Component Viewer Description |
| scw | SQL Compare Data |
| scy | ReaGeniX License Data |
| sd | MDL Molfile Data |
| sd | Simple Diary Saved Data |
| sd | STK Satellite Database Main File |
| sd2 | SAS Data Set |
| sd3 | Hy-Tek Meet Manager SDIF Data |
| sd4 | Smart Diary Suite 4 Database |
| sd5 | Agilent E6474A Recorded Measurement Data |
| sd7 | Daktronics Venus 7000 Schedule Data |
| sd7 | SAS Data Set |
| sda | CoCreate OneSpace Assembly Data |
| sda | Smart Diary Suite Contacts Data |
| sda | SoftCuisine Data Archive |
| sda | SoftMax Pro Data |
| sdac | CoCreate OneSpace Assembly Container Data |
| sdam | Source Data Model Data |
| sdax | SoftMax Pro Data |
| sdb | SparkleDB Database |
| sdb2 | Shure Wireless Workbench Database |
| sdbs | BLAST+ Personal Database |
| sdbx | Autodesk AutoCAD Civil 3D Survey Database |
| sdbz | Symantec EP Support Tool Information File |
| sdcp | SimpleDiagrams Color Palette |
| sdct | Pocket Diary Spelling Dictionary |
| sdd | BPM Studio Editor Peak Data |
