| .qt |
Apple QuickTime Movie |
| .qtch |
QuickTime Cache File |
| .qtm |
Apple QuickTime Movie File |
| .qtindex |
Adobe QTIndex File |
| .rm |
Real Media File |
| .rmvb |
RealMedia Variable Bit Rate File |
| .rcproject |
iMovie '08 Project |
| .r3d |
REDCODE Video File |
| .rp |
Axure RP Project File |
| .rdb |
Retrospect Backup Set |
| .rum |
Bink Video Subtitle File |
| .rv |
Real Video File |
| .rts |
Royal TS Remote Connection File |
| .rec |
Topfield PVR Recording |
| .roq |
Id Software Game Video |
| .rms |
Java Application Settings File |
| .rmp |
Magellan Raster Map File |
| .rmd |
R Markdown File |
| .rsx |
RED Metadata XML File |
| .rcd |
pcAnywhere Recorded Session File |
| .rvl |
muvee Reveal X Project File |
| .rvid |
Snapz Pro X Recorded Video File |
| .rcut |
Webinaria Recording Cut |
| .rcrec |
LogMeIn Remote Control Session Recording |