| Abbreviation | Definition |
|---|---|
| SC3 | dBASE IV - Renamed dBASE III screen mask file |
| SC3 | Screen device driver (Harvard Graphics 3.x) |
| SCA | SCA Datafile |
| SCAN | Thunderscan image file Bitmap graphics |
| SCC | MSX picture Bitmap graphics |
| SCD | Microsoft Schedule+ 7.x Contacts |
| SCD | SCODL Scan Conversion Object Description Language |
| SCF | ScoreMaker Multimedia show |
| SCF | Shell Command File |
| SCF | Spelling Checker Configuration |
| SCG | ColoRIX Bitmap graphics |
| SCH | P CAD - Orcad Scheme |
| SCH | Project SCHedule |
| SCI | SciFax Fax file |
| SCI | Scitex Continuous Tone CT2T image file |
| SCI | System Configuration Information |
| SCM | Lotus ScreenCam Movie |
| SCM | Scheme language source code file |
| SCN | SCeNe RTrace |
| SCN | Screen Dump or File |