| rp2 | RetroPlatform Player Archive |
| rp9-snapshot | RetroPlatform Snapshot Image |
| rpb | Radmin Phonebook |
| rpc | BillQuick Enterprise Invoice Data |
| rpc | Crystal Reports RPC File |
| rpc3 | NI Diadem RPC3 File |
| rpcp | Reason Resource Data |
| rpd | Oracle BI EE Repository |
| rpe | Performance Analyzer Data |
| rpf | CARE-S InfoWorks Runoff Parameters Data |
| rpk | RadLight Media Player Skin |
| rpk | Rail Simulator Package |
| rpl | Crystal Reports Label |
| rpn | Act! v2 Report Data |
| rpn | Schedule24 Shift Pattern |
| rpr | ArchiCAD Roof Properties |
| rpres | RStudio R Presentation |
| rpt | BI/Query Report Specification |
| rpt | Crystal Reports Report |
| rpt2 | eSignal Report Data |
| rptdesign | Actuate BiRT Report Design |
| rptlibrary | Actuate BiRT Report Library |
| rptx | Alteryx Designer Allocate Reports Data |
| rpv | RealPlayer Visualization |
| rpx | Laservault Backup Index File |
| rpypig | RenPy Data |
| rpz | Crystal Reports Compressed Report |
| rq | SPARQL Query |
| rqb | Sybase PowerDesigner Requirements Model Backup |
| rql | RequisitePro Database Information File |
| rqm | Sybase PowerDesigner Requirements Model |
| rqns | Universal Pokemon Randomizer Data |
| rqt | NPrinting Offline Activation Request Data |
| rqx | RiALITY Quick Exchange Data |
| rra | vRigger Rigging Gear |
