| sch | MODELLER Schedule Data |
| Strater Scheme Data |
| TINA Schematic Data |
| schakal | SCHAKAL Chemical Modeller Input file |
| schd | Microsoft Excel Schedule Data |
| schdoc | Altium Designer Schematic File |
| schelp | SuperCollider Help Source |
| schemas | GNOME GConf Schema Definition |
| schk | SortSite Site Data |
| schlib | Altium Designer Schematic Library |
| scjournal | SpaceClaim Journal Data |
| scl | Movie.BYU Scalar Results Data |
| Pro/ENGINEER Color Scheme Data |
| Scala Scale Data |
| Sibelius Scale Diagram Library |
| SuperCopier Copy List |
| scm | ICQ Compressed Sound Scheme Data |
| scml | Spriter Data |
| scmt | GXS Application Integrator XML Constraint |
| scn | AutoDesk Softimage Scene |
| BPM Studio Scan Data |
| Kermit Screen Dump |
| LabPower Junior Data |
| Orbiter Scenario Data |
| PCAnywhere Screenshot Data |
| Pinnacle Studio Scene Data |
| RTrace Ray Tracer Scene Data |
| TD Scan Data |
| scn0 | Nintendo Wii Texture Animation Data |
| sco | ASD TerraSpec Data |
| Microsoft IIS Schema Backup |
| Sibelius Scorch Data |
| score | Learning Score Data |
| scp | Palm OS Configuration Data |
| SCP-ECG Data |
| scpb | Survivorship Care Plan Builder Data |
| scprt | Surfcam 3D Format Data |
| scr | BricsCAD Script |
| Image-Pro Plus Script |
| Movie Master Screenplay Data |
| Procomm Plus Screen Snapshot |
| STATISTICA Scrollsheet Data |
| scrate | Serato DJ Smart Crate Data |
| screenrec | ScreenRec Recording Data |
| screstorelog | Spring Cleaning Restore Log |
| scresults | Spring Cleaning Results Data |
| script | SitePad Pro Script |
| XtalView Xfit Script |
| scriptlibrary | Corel Painter Script Library |
| scs | ASiC Simple Container |
| CADint PCB Data |
| Prism3D Data |
| ScreenCam Script |
| Siemens Mobil Phone Color Skin |
| StuffIt Saved File List |
| scsf | SEE Finance Data |
| scssc | Sass Compiled Data |
| scs_tor | Insight II Torsion Data |
| sct | Carlson 2016 Overlay Section Data |
| EVS Soil Chemistry Time Data |
| Lotus Notes Screen Capture Text |
| Microsoft Windows Script Component |
| SAS Catalog |
| SPSS Template Data |
| sct01 | SAS Catalog Data |
| sctid | RSA SecurID Software Certficate Import Data |
| scvd | µVision System Component Viewer Description |
| scw | SQL Compare Data |
| scx | Sony Giga Pocket Scene Information |
| scy | ReaGeniX License Data |
| sd | MDL Molfile Data |
| Simple Diary Saved Data |
| STK Satellite Database Main File |
| sd2 | SAS Data Set |
| sd3 | Hy-Tek Meet Manager SDIF Data |
| sd4 | Smart Diary Suite 4 Database |
| sd4lf | Smart Diary Suite 4 Life Factor Package |
| sd4pp | Smart Diary Suite 4 Parameter Pack |
| sd5 | Agilent E6474A Recorded Measurement Data |
| sd7 | Daktronics Venus 7000 Schedule Data |
