| rvz | AVEVA Review 3D Model |
| rw3 | RapidWeaver 3 Site |
| rw5 | Carlson 2016 RAW Data |
| rwar | eXtendable Wad Editor RWAR Data |
| rwav | eXtendable Wad Editor RWAV Data |
| rwb | RefWorks Backup File |
| rwc | WAsP Regional Wind Climate |
| rwcx | Trimble SX10 Scanned Points Data |
| rwd | NRG Symphonie Logger Raw Data |
| rwf | Open Workbench Filter Data |
| rwf | Gaussian Read-Write File |
| rwf | ReFrame Workspace |
| rwh | Open Workbench Highlights Data |
| rwi | RFSCAT Simulator Retrieved Wind Field Data |
| rwl | Open Workbench Library Data |
| rwo | MATLAB Output Data |
| rwpat | RockWorks Pattern Tables Data |
| rws | Open Workbench Sort Data |
| rws | Retina Wireless Scanner |
| rwv | Open Workbench View Data |
| rwx | Netscape Live 3D Data |
| rx | Borland Reflex Database Driver |
| rx1 | R:Base X.5 Database |
| rx2 | R:Base X.5 Database |
| rx3 | R:Base X.5 Database |
| rx4 | R:Base X.5 Database |
| rxa | Retro-X Animation Data |
| rxdoc | iZotope RX Document |
| rxf | Resco Explorer Encrypted File |
| rxh | Borland Reflex Database Help Data |
