| s1m | Sealed MPEG Movie |
| s1q | Sealed QuickTime Movie |
| s4ud | Samsung Smart TV Video |
| san | Smush Animation Format Data |
| sbm | Stream Bean Media |
| sbt | SBT Subtitle |
| sbv | SubViewer Subtitle Data |
| scc | Sonic Scenarist Closed Caption File |
| sce | UPlayer Hypervideo Data |
| scke | SpyClock Encrypted Video |
| scm | ScreenCam Movie File |
| scr | Atari Jaguar Cinepak Smooth-format Video |
| scs | Samsung Q105 Phone Screensaver |
| sdr2 | Seorim MICRO DVR Camera Video |
| sec | Disney Animation Studio Secured Animation |
| GuinXell Video Data |
| sfd | Sofdec Dreamcast Movie |
| sfvidcap | Sonic Foundry Video Capture Data |
| sgv | Self-Guard Security Camera Video |
| siv | Silicon Imaging Video |
| skm | SKM Video |
| sky | ActiveSky Movie Clip |
| smk | Smacker Video |
| smov | Sealed Quicktime Movie |
| smp1 | Sealed MPEG-1 Video |
| smp4 | Sealed MPEG-4 Video |
| smpeg | Sealed MPEG Movie |
| smpg | Sealed MPEG Movie |
| smv | SigmaTel Motion Video |
| spa | FutureSplash Animator Movie |
| splash | Splash Pro EX Video |
| sqj | AXIS Camera Explorer Video |
| srg | Atari Jaguar Cinepak Smooth-format RGB Video |
| srt | SubRip Subtitle |
| WebSRT Subtitle Data |
| ssa | SubStation Alpha Subtitle |
| sst | Sonic Scenarist Subtitle |
| ssts | Stream SubText Script Subtitle |
| stj | STLabs Video Data |
| stl | EBU-STL Standard Subtitle File |
| Spruce DVD Studio Pro Subtitle Data |
| Win2020 Subtitle Data |
| str | Sony Playstation Video Stream |
| strg | E-Viewer Recorded Stream |
| sub | MicroDVD Subtitle Format File |
| VobSub Subtitle |
| sup | Subpicture Subtitle Format Data |
| svi | Samsung Video File |
| svq3 | Sorenson Video v3 |
| tdt | AVCHD Thumbnail Data |
| tdx | D-TEG CCTV Video Information |
| theater | iMovie Theater Movie |
| thm | Panasonic HD Camcorder Thumbnail |
| thp | Gamecube THP Video |
| tid | AVCHD Thumbnail Index |
| tir | TibiaReplay Tibia Movie |
| tivo | TiVo DVR Video |
| tix | DivX Ticket |
| tlv | Plotwatcher Time Lapse Video |
| tmi | TCM-3 Encoded Video File |
| tms | ArcSoft ShowBiz Captured Video |
| tod | JVC Camcorder Video |
| tp | Beyond TV Transport Stream |
| tp0 | Homecast PVR TP0 Video |
| tpd | Cyberlink TOD Video |
| trec | Camtasia Studio v8.4 Recording |
| ts | MPEG-2 Transport Stream |
| ts4 | Technisat Digicorder HD Video |
| ttxt | MPEG-4 Timed Text File |
| tvs | TeamViewer Video Session |
| tvv | TV NOW Portable Video Recorder Video |
| ty | TiVo Video Stream |
| ub1 | DRS-1100 Recorded Video |
| udp | MSN Webcam Recorder Video |
| um4 | Samsung UHD TV Video |
| umv | Unimo DVR Video |
| usf | Universal Subtitle Format File |
| usm | ScaleForm GFx Video Content |
| USM Game Video |
| uvcab | UVScreenCamera Video |
| uvh | DECE HD Video |
| uvm | DECE Mobile Video |
| uvp | DECE PD Video |
| uvs | DECE SD Video |
| uvseg | UVScreenCamera Video Segment |
| uvu | Ultraviolet Common File Format |
| UltraViolet MP4 Video |
| uvv | UltraViolet MP4 Video |
| uvvh | DECE HD Video |
| uvvu | UltraViolet MP4 Video |
| v264 | Tenvis IPROBOT 3 V264 Video |
| vaf | Vertigo Animation File |
| vbc | VodBurner Crude Video |
| vc1 | VC-1 Video |
| vcp | VCOMP Compressed Video |
| vcr | ATI Video Card Recording |
| vcs | Video Clipstream Video |
| vcv | ViewCave Video |
| vdf | ViewCave Video Data |
| vdo | VDOLive Media |
