| sbt | Superbase Data Notes |
| sbu | Superbase Update Data |
| sbv | Superbase Form Definition Data |
| sbw | US Treasury Savings Bonds Wizard Data |
| sc | Corel Paradox PAL Script |
| sc | Framework II Display Driver |
| sc | IBM EMMS Secure Container |
| sc | Ingres Embedded SQL/C Source Code |
| sc | Sega SC-3000 Image |
| sc | Space Engine Script Data |
| sc | WITE32 Scheme Data |
| sc0 | Structure Survey Editor Profile |
| sc2 | SAS Catalog |
| sc7 | SAS Catalog |
| sca | Microsoft SMS Site Control File Addition Data |
| sca | Norton Antivirus Scan Data |
| scad | OpenSCAD Script |
| scb | Scrambls Encrypted File |
| scc | 602PC Suite Data |
| scc | ScreenFlow Screen Recording Data |
| sccef | StreamCryptor Chunked Encrypted Dat |
| sccm | System Center Configuration Manager File |
| sccs | SCCS Data |
| scd | Data Rescue Saved Scans Data |
| scd | Intuit TurboTax Tax Line Items |
| scd | Microsoft SMS Site Control File Deletion Data |
| scdata | RSSIM Scene Reflectance Data |
| sce | SoftCuisine Exchange Format Data |
| sce | YASARA Scene |
| scel | Sogou Pinyin Cell Dictionary Data |
| scenario | Yarn Data |
| scene | VCollab Pro Scene Data |
| scexcludb | Spring Cleaning Exclusions Data |
| scg | myPM SCG Definition |
| scgc | myPM SCG Classic Data |
