| .qxd |
QuarkXPress Document |
| .qpt |
QuarkXPress Project Template |
| .qxt |
QuarkXPress Template |
| .q3c |
Quick 3D Cover Project File |
| .rels |
Open Office XML Relationships File |
| .rmr |
ResumeMaker File |
| .rsm |
RouterSim Network Visualizer File |
| .rb4 |
Resume Builder 4 File |
| .rlf |
ArcGIS Report Layout File |
| .rwt |
ReadWriteThink Timeline |
| .rap |
Raptor Flowchart File |
| .rfd |
Recogniform Form Designer File |
| .rptr |
RafflePrinter Document |
| .rpc |
Rich Page Content Document |
| .spub |
Swift Publisher Document |
| .simp |
Software Ideas Modeler Project |
| .scut4 |
Easy Cut Studio Project |
| .studio3 |
Silhouette Studio Version 3 Document |
| .spl7 |
sPlan 7 Schematic Diagram File |
| .smmx |
SimpleMind Mind Map File |
| .sbk |
sound font files |
| .sp |
Simplexety Parameters File |
| .sdt |
Siemens Desktop Theme File |
| .sma |
AMX Mod Plugin Source File |