| .q2 |
Winamp Equalizer Auto-Load Presets File |
| .qml |
QT Meta Language File |
| .qcc |
Quilt Manager Pattern File |
| .rtf |
Rich Text Format File |
| .rss |
Rich Site Summary |
| .rdf |
Resource Description Framework File |
| .rpt |
Generic Report |
| .rb |
Ruby Source Code |
| .res |
Valve Resource File |
| .r |
R Script File |
| .r3d |
REDCODE Video File |
| .rbw |
Ruby Script |
| .rexx |
Rexx Source File |
| .rkt |
Racket Source Code File |
| .rle |
Run Length Encoded Bitmap |
| .rgs |
Registry Script |
| .rul |
InstallShield Rules File |
| .rc |
Resource Script |
| .rhtml |
Ruby HTML Web Page |
| .rng |
Nokia Composer Ringtone |
| .rnc |
RNC ProPack Archive |
| .rjs |
Ruby Javascript File |
| .rex |
ReCycle Loop File |
| .rst |
reStructuredText File |