File Extension R - Macintosh Resource Similar to RC , etc
File Extension R00 - WinRAR Split Compressed Archive (RarLab), etc
File Extension R01 - MicroStation Modification Resource (Bentley Systems, Incorporated), etc
File Extension R02 - WinRAR Split Compressed Archive (RarLab), etc
File Extension R03 - WinRAR Split Compressed Archive (RarLab), etc
File Extension R04 - WinRAR Split Compressed Archive (RarLab), etc
File Extension R05 - WinRAR Split Compressed Archive (RarLab), etc
File Extension R06 - WinRAR Split Compressed Archive (RarLab), etc
File Extension R07 - WinRAR Split Compressed Archive (RarLab), etc
File Extension R08 - WinRAR Split Compressed Archive (RarLab), etc
File Extension R09 - WinRAR Split Compressed Archive (RarLab), etc
File Extension R1A - Yamaha RM1x Dance-Music Workstation (Yamaha Corporation of America), etc
File Extension R1M - RealOne Metadata Package (RealNetworks), etc
File Extension R1W - Reflection Setting File (WRQ), etc
File Extension R2A - Yamaha RS7000 Music Production Studio Sequencer (Yamaha Corporation of America), etc
File Extension R2D - Reflex Ver. 2 Data File (Borland Software Corporation), etc
File Extension R2K - Repertoire 2000 Music Database , etc
File Extension R2P - Yamaha RS7000 Music Production Studio Sequencer (Yamaha Corporation of America), etc
File Extension R2S - RS7000 Song Data (Yahama Corporation), etc
File Extension R2W - Reflection Setting File (WRQ), etc
File Extension R3A - RS7000 Sample Data (Yahama Corporation), etc
File Extension R3D - Redcode Raw Video Image File (RED Digital Cinema Camera Company), etc
File Extension R3P - RS7000 Sample Data (Yahama Corporation), etc
File Extension R4W - Reflection Setting File (WRQ), etc
File Extension R5 - Unknown Apple II File (found on Golden Orchard Apple II CD Rom) , etc
File Extension R64 - Top Secret Crypto Gold Transformed E-mail File (TAN$TAAFL Software Company), etc
File Extension R8 - Flight Simulator Texture File , etc
File Extension R81 - Flight Simulator Texture File (Microsoft Corporation), etc
File Extension R82 - Flight Simulator Texture File (Microsoft Corporation), etc
File Extension R8L - LaserJet Landscape Font , etc
File Extension R8P - Intellifont PCL 4 Bitmap Font File , etc
File Extension RA - RealMedia Streaming Media (Real Networks, Inc.), etc
File Extension RA3 - RA3DIO Terrain Information (xeraina GmbH), etc
File Extension RA6 - ReliaSoft ALTA 6 , etc
File Extension RABBIT - Unknown Apple II File (found on Golden Orchard Apple II CD Rom) , etc
File Extension RAC - Win2020 Screen Subtitle (Screen Subtitling Systems), etc
File Extension RAD - Rhapsody Cache (RealNetworks), etc
File Extension RADIOR - Unknown Apple II File (found on Golden Orchard Apple II CD Rom) , etc
File Extension RAF - Illum Source RK File , etc
File Extension RAG - Unknown Apple II File (found on Golden Orchard Apple II CD Rom) , etc
File Extension RAI - SPEFO Stellar Spectra Analysis File , etc
File Extension RAIDER - Unknown Apple II File (found on Golden Orchard Apple II CD Rom) , etc
File Extension RAIL - DeckTools Custom Railing Design (DeckTools), etc
File Extension RAINDR - Unknown Apple II File (found on Golden Orchard Apple II CD Rom) , etc
File Extension RAINY - Unknown Apple II File (found on Golden Orchard Apple II CD Rom) , etc
File Extension RAL - Right Track Layout File (Atlas Model Railroad Co., Inc.), etc
File Extension RAM - RealMedia Metafile (RealNetworks, Inc.), etc
File Extension RAMBLO - Unknown Apple II File (found on Golden Orchard Apple II CD Rom) , etc
File Extension RAMCAR - Unknown Apple II File (found on Golden Orchard Apple II CD Rom) , etc
File Extension RAMDIS - Unknown Apple II File (found on Golden Orchard Apple II CD Rom) , etc
File Extension RAMSON - Unknown Apple II File (found on Golden Orchard Apple II CD Rom) , etc
File Extension RAN - Dexterpen File , etc
File Extension RAP - Rapidocs Document , etc
File Extension RAPP - Adesso Replication Application (Adesso Systems, Inc.), etc
File Extension RAQ - Colbalt Server Backup , etc
File Extension RAR - WinRAR Compressed Archive (RarLab), etc
File Extension RARENX - egis Encrypted RAR File (HiTRUST Inc.), etc
File Extension RAS - Max Payne Data File (Rockstar Games), etc
File Extension RASMOL - RasMol File , etc
File Extension RAST - Sun Raster Graphic , etc
File Extension RAT - RATS Data , etc
File Extension RATDVD - ratDVD DVD Container (RatDVD - Canada), etc
File Extension RATES - Unknown Apple II File (found on Golden Orchard Apple II CD Rom) , etc
File Extension RAV - Rave Reports Project File (Nevrona Designs), etc
File Extension RAW - RDosPlay RAW Audio Format , etc
File Extension RAX - RealMedia Streaming File (Real Networks, Inc.), etc
File Extension RAY - Rayshade , etc
File Extension RB - Unknown Apple II File (found on Golden Orchard Apple II CD Rom) , etc
File Extension RB0 - Anti-Virus Backup , etc
File Extension RB1 - R:Base Data (R:BASE Technologies, Inc.), etc
File Extension RB2 - R:Base Data (R:BASE Technologies, Inc.), etc
File Extension RB3 - R:Base Data (R:BASE Technologies, Inc.), etc
File Extension RB4 - Anti-Virus Backup , etc
File Extension RB5 - Anti-Virus Backup , etc
File Extension RB6 - Anti-Virus Backup , etc
File Extension RB7 - Anti-Virus Backup , etc
File Extension RB8 - Anti-Virus Backup , etc
File Extension RB9 - Anti-Virus Backup , etc
File Extension RBB - Top Secret Crypto Gold Random Bits Bin File (TAN$TAAFL Software Company), etc
File Extension RBC - Easy Resume Creator Pro Resume (Sarm Software), etc
File Extension RBF - Quartus II Raw Binary File (Altera Corporation), etc
File Extension RBG - RegexBuddy GREP Action (JGsoft - Just Great Software), etc
File Extension RBH - RoboHelp Configuration , etc
File Extension RBI - Adressmn , etc
File Extension RBJ - XRK - eXtra Redcode Kit RedCode Warrior (Marco Pontello), etc
File Extension RBK - Windows 95 Registry Backup File (Microsoft Corporation), etc
File Extension RBL - RegexBuddy Library (JGsoft - Just Great Software), etc
File Extension RBM - ReBirth Modulation v2.0 (Propellerhead Software), etc
File Extension RBN - Richard's Bridge Notation , etc
File Extension RBO - Sometimes associated with the Magistr.B Worm , etc
File Extension RBPM - Portable Bitmap , etc
File Extension RBR - Wordnet Backup File (NICE Systems Ltd.), etc
File Extension RBS - Rollback Script (Microsoft Corporation), etc
File Extension RBT - REALbasic Project (REAL Software, Inc.), etc
File Extension RBX - Ruby on Rails Script (Ruby on Rails Project), etc
File Extension RBXL - ROBLOX Game File (ROBLOX Corporation), etc
File Extension RBXM - ROBLOX Model (ROBLOX Corporation), etc
File Extension RBZ - Rail Baron Player Saved Game , etc
File Extension RC - Resource Script , etc
File Extension RC2 - ReCycle v.2 Audio Loop , etc