List of All the File Extensions Formats and Types Starting With the Letter R
- .RAR
- WinRAR compressed archive
- Java JCA Resource Adapter module
- .RAW
- RAW image format
- CD/DVD image
- HP V41 program
- ISIS RAW file format
- Nicolet Summit DaStar data
- Nimbus 7 data
- RAW audio format
- Sentry 2020 encryption
- ZX Spectrum memory dump
- .RECORD GarageBand Records recorded music
- .REFERENCE Budget In Brief application reference
- .REGI Kagi Registration Module
- .RELS Microsoft Open Office XML relationships
- .RESMONCFG Microsoft Windows Resource Monitor settings
- .REW MRMC Markov Reward Model Checker definition
- .REWI MRMC Markov Reward Model Checker definition
- .REZ
- Alien vs Predator game
- Escape Velocity Nova plugin
- LithTech game engine resource
- Resume Divider
- .RMVB RealMedia variable bitrate
- .RPT
- Report
- Sage MAS 90 data
- Sierra Mastercook cookbook
- Systems Management Server (SMS) replication
- TrueNet Print template
- .RUBY Ruby Software
- .RUJ Oracle Recovery-Unit Journal format
- .RULESET Microsoft Visual Studio Code Analysis ruleset
- .RUM Bink video subtitle