| run | ISAPI Loader Data |
| run | Runscanner Scan Result |
| rup | IBM Rational Unified Process Data |
| rupaf | Revo Uninstaller Pro Activation Data |
| rus | Unreal Engine Russian Language Data |
| rut | Novapoint Grid File |
| rv | DataFlex Report View Data |
| rv | SPEFO Stellar Spectra Analysis RV Data |
| rv3 | NewsBin Pro Header Storage |
| rv4 | NewsBin Pro Configuration |
| rv4 | NewsBin Pro Header Storage |
| rv7 | Reason RV7 Data |
| rvg | Autodesk Revit External Group Data |
| rvk | GnuPG Revocation Key File |
| rvm | AVEVA Plant Design Management System Model |
| rvml | Rich Vector Markup Language Data |
| rvn | RVN Data |
| rvp | CNET CatchUp Data |
| rvq | Autodesk CFD Radiation Data |
| rvr | SPEFO Stellar Spectra Analysis RVR Data |
| rvt | IEX Workforce Management Report |
| rvt | Incite Media Assistant Data |
| rvw | ReviewMate Review Data |
| rvz | AVEVA Review 3D Model |
| rw2d | RockWorks 2D Plot Data |
| rw3 | RapidWeaver 3 Site |
| rw4 | RenderWare 4 Model Data |
| rw5 | Carlson 2016 RAW Data |
| rw6 | RockWorks 2006 2D Plot Data |
| rwa | ReliaSoft Weibull++ RWA Data |
