| 261 | H.261 Video |
| 262 | H.262 Encoded Video |
| 263 | H.263 Video |
| 264 | H.264 Bitstream |
| 265 | HEVC/H.265 HM-10 Video |
| 3g | 3GP Video File |
| 3g2 | 3GPP2 Video File |
| 3gp | 3GP Video File |
| 3gp2 | 3GPP2 Video File |
| 3gpp | 3GP Video File |
| 3gpp2 | 3GPP2 Video File |
| 3ivx | 3ivx Video |
| 3p2 | 3GPP2 Video File |
| 3pg | 3GP Video File |
| 4xm | 4X Movie |
| 60d | CCTV Video Clip |
| 787 | AVTECH CCTV Video File |
| 890 | Cavena Subtitles |
| aav | OccuRec Recorded Video |
| aep | AudioGraph for Netscape Animation |
| aira | Aimetis Symphony AIRA Video |
| ajp | JPEG2000 Digital Surveillance Recorder Video |
| amc | AMC Video |
| amv | AMV Encoded Video |
| amx | Adobe Motion Exchange Video |
| anx | Annodex Exchange Format Data |
| aqt | AQTitle Subtitle File |
| asf | Advanced Systems Format Media |
| ass | Advanced SubStation Alpha Subtitle |
| asx | Advanced Stream Redirector |
