| svd | StatView DataSet File |
| svd | Alchemex Metadata |
| svd | RFM SVD-compressed Look-Up Table |
| svgx | React Native SVG Data |
| svl | Scramdisk Volume |
| svndblib | Altium Designer Subversion Database Library |
| svo | STATISTICA Macro File |
| svv | StatView ViewSet File |
| svw | SpecView Data |
| svx | Survex Data File |
| svx | STATISTICA Macro File |
| svz | Savez Data |
| sw0 | SPICE Sweep Operations Output Data |
| sw1 | SPICE Sweep Operations Output Data |
| sw2 | SPICE Sweep Operations Output Data |
| sw3 | SPICE Sweep Operations Output Data |
| sw4 | SPICE Sweep Operations Output Data |
| sw5 | SPICE Sweep Operations Output Data |
| sw6 | SPICE Sweep Operations Output Data |
| sw7 | SPICE Sweep Operations Output Data |
| sw8 | SPICE Sweep Operations Output Data |
| sw9 | SPICE Sweep Operations Output Data |
| swap | General Swap File |
| swatch | Autodesk Maya FCheck Tool Data |
| swb | SolidWorks Older Macro |
| swc | SNES ROM Image SWC |
| swc | Vaa3D SWC Data |
| swdb | ClarisWorks 3 Database |
| sweb | SpiderWEB Data |
| swidtag | SWID Tag Data |
| swish | Swish-e Index Data |
| swj | SolidWorks Journal Data |
| swk | StudyWorks! Teaching Pro: Mathematics Complete Save |
| swlt | SafeWallet Data |
| swm | Vim Swap Data |