| rsd | Resort Software Database |
| rsd | RuneScape Demon Data |
| rsdb | Resort Software Database |
| rsdf | RapidShare Downloader Format File |
| rsdo | Reflection Desktop Customization Rules |
| rsds | Report Server Data Source |
| rsdx | RadioSure Stations Data |
| rse | RockSim Engine Database |
| rsed | ResEdit Data |
| rserp | ReliaSoft RGA Enterprise Repository Data |
| rsf | EaseUS Todo Backup Recovery State Data |
| rsf | Lego Mindstorms EV3 Robot Sound Data |
| rsf | Nastran Results Summary Data |
| rsf | Reflection Desktop Settings Data |
| rsf | ReliaSoft BlockSim Data |
| rsf | WAsP Resource Data |
| rsf18 | ReliaSoft RGA Synthesis Data |
| rsfx | Reflection Desktop Data |
| rsgz18 | ReliaSoft RGA Compressed Database |
| rsh | 3DCS Statistics Results Data |
| rsl | ReliaSoft ALTA 6 Data |
| rslkey | Resilio Sync Key |
| rsll | ReliaSoft RGA Synthesis Locator Link |
| rsls | Resilio Sync Placeholder |
| rsm | ARIS Report Script Model Data |
| rsm | CCNA Network Visualizer Data |
| rsm | ReliaSoft MPC 3 Database |
| rsmap | RSTuner RSMap Data |
| rsn | eXtendable Wad Editor RSN Data |
| rsnp | RegSnap Data |
