| snagitstamps | SnagIt Stamp Archive |
| snagstyles | SnagIt Style Archive |
| snagtheme | SnagIt Theme Archive |
| snagundo | SnagIt Undo Data |
| snagx | SnagIt 2022 Capture File |
| snap | LittleSnapper Snap Data |
| snapfireshow | Corel Snapfire Show Data |
| snapshot | VMware ThinApp Snapshot File |
| snapx | Snapform XML Form Data |
| snarfer | Snarfer Data |
| snb | S-Note Data |
| snbkp | S Memo Backup |
| snc | Act! E-Mail Synchronization Data |
| sndclipping | Mac OS X Finder Sound Clip File |
| sne | Spectronaut Experiments Data |
| snes | SNES ROM Image |
| snf | Starry Night Data |
| snif | Summary Notification Interchange Format File |
| snip | Microsoft Windows Snipping Tool Snip Data |
| snl | EGrid32 Form Snippet |
| snm | Netscape Mail Index |
| snmm | Samsung Note Data |
| snn | STATISTICA v7 Neural Networks File |
| snoop | Snoop Verbose Trace File |
| snp | Altair FEKO POSTFEKO Touchstone Data |
| CoffeeCup HTML Editor Snippet Data |
| ComputerEyes Output Animation Data |
| GenePattern SNP Data |
| Oracle Database Snapshot |
| SQL Compare Snapshot Data |
| snr | Mail.dat Seed Name File |
| sns | Save-N-Sync Profile |
| sntm | Network Topology Mapper Map |
| snu | AVG Antivirus Update Data |
| snx | Intuit QuickBooks SNX Data |
| PISnoop Workspace Data |
| ZX Spectrum Emulator Snapshot Extended |
| soa | Sage MAS 90 Data |
| sod | BiRT Spreadsheet Object Design File |
| soepsx | Player Studio Viewer Data |
| sof | Altera SRAM Object File |
| soft | Autodesk Maya FCheck Tool Data |
| soi | BiRT Spreadsheet Object Instance File |
| sok | Sokoban YASC Game Data |
| sol | Adobe Flash Player Shared Object |
| AMPL Solution File |
| AquaCrop Soil Profile Data |
| Canoco Analysis Data |
| MODELLER Atomic Solvent Accessibilities Data |
| PATCHMASTER Solution File |
| SWAT Soil Input Data |
| solr | Apache SOLR Data |
| som | Corel Quattro Pro Network Serial Number |
| somrec | Screencast-O-Matic Recorded Data |
| songs | MediaShout Song Library |
| sopcinfo | SOPC Builder Information |
| sor | Adobe Flash Media Server Client Side Shared Object |
| ChessDB Repertoire Data |
| Corel Paradox Sort Definition |
| OTDR Trace File |
| sos | Adventure SOS Compiled Walkthrough |
| ANSYS EnSight Master Server Data |
| Dynamite VSP Swept Object Style |
| sot | Adventure SOS Walkthrough Source |
| CET Designer ProjectSymbols Standard Options Table |
| Hollowcore Manufacturing System SOT Data |
| sou | WRAP Simulation Results Output Data |
| soundpack | SoundPackager Sound Package |
| soundscript | Rigs of Rods Sound Script Data |
| sov | 3DCS Advanced Analyzer/Optimizer SOVA Model |
| sox | BiRT Spreadsheet Report Executable File |
| sp | eXtendable Wad Editor SP Data |
| Micrografx ABC SnapGraphics Data |
| SignPlot Document |
| Simplexety Parameter File |
| STK Sensor Pointing File |
| ZX Spectrum Emulator Snapshot |
| sp3 | NGS Standard Product 3 Format Data |
| spa | MikuMikuDance Sphere Mapping File |
| Nicolet OMNIC Data |
