| rov | Actuate e.Report Designer Report Object Value Data |
| rov | Siebel Report Object Variable |
| row | RowPro Row Data |
| rox | Siebel Report Object Executable |
| roz | aSc Timetables Data |
| rp1 | R&R Report Writer DOS XBase Report Library |
| rp2 | R&R Report Writer DOS Worksheets Report Library |
| rp2 | RetroPlatform Player Archive |
| rp3 | R&R Report Writer DOS SQL Report Library |
| rp4 | R&R Report Writer DOS Paradox Report Library |
| rp5 | R&R Report Writer XBase Report Library |
| rp6 | R&R Report Writer SQL Report Library |
| rp9-snapshot | RetroPlatform Snapshot Image |
| rpa | iTWO Project Archive |
| rpb | Radmin Phonebook |
| rpc | 3WayPack RPC Data |
| rpc | Act! Report |
| rpc | BillQuick Enterprise Invoice Data |
| rpc | Crystal Reports RPC File |
| rpc | WaterGEMS Hydraulic Analysis Report |
| rpc3 | NI Diadem RPC3 File |
| rpcp | Reason Resource Data |
| rpd | iTWO Project Data |
| rpd | Oracle BI EE Repository |
| rpd | RapidFile Database |
| rpd | Roleplay Designer Data |
| rpe | Performance Analyzer Data |
| rpf | 3ds Max Rich Pixel Format Data |
| rpf | Autodesk AutoCAD Pattern Definition Data |
| rpf | CARE-S InfoWorks Runoff Parameters Data |
