| Extension | description du fichier |
| .R89 | Fichiers inhabituels |
| .R8A | Fichiers inhabituels |
| .R8B | Fichiers inhabituels |
| .R8C | Fichiers inhabituels |
| .R8D | Fichiers inhabituels |
| .R8E | Fichiers inhabituels |
| .R8F | Fichiers inhabituels |
| .R8G | Fichiers inhabituels |
| .R8H | Fichiers inhabituels |
| .R8I | Fichiers inhabituels |
| .R8J | Fichiers inhabituels |
| .R8K | Fichiers inhabituels |
| .R8L | Fichiers inhabituels |
| .R8M | Fichiers inhabituels |
| .R8N | Fichiers inhabituels |
| .R8O | Fichiers inhabituels |
| .R8P | Fichiers inhabituels |
| .R8Q | Fichiers inhabituels |
| .R8R | Fichiers inhabituels |
| .R8S | Fichiers inhabituels |
| .R8T | Fichiers inhabituels |
| .R8U | Fichiers inhabituels |
| .R8V | Fichiers inhabituels |
| .R8W | Fichiers inhabituels |
| .R8X | Fichiers inhabituels |
| .R8Y | Fichiers inhabituels |
| .R8Z | Fichiers inhabituels |
| .R90 | Fichiers inhabituels |
| .R91 | Fichiers inhabituels |
| .R92 | Fichiers inhabituels |
| .R93 | Fichiers inhabituels |
| .R94 | Fichiers inhabituels |
| .R95 | Fichiers inhabituels |
| .R96 | Fichiers inhabituels |
| .R97 | Fichiers inhabituels |
| .R98 | Fichiers inhabituels |
| .R99 | Fichiers inhabituels |
| .R9A | Fichiers inhabituels |
| .R9B | Fichiers inhabituels |
| .R9C | Fichiers inhabituels |
| .R9D | Fichiers inhabituels |
| .R9E | Fichiers inhabituels |
| .R9F | Fichiers inhabituels |
| .R9G | Fichiers inhabituels |
| .R9H | Fichiers inhabituels |
| .R9I | Fichiers inhabituels |
| .R9J | Fichiers inhabituels |
| .R9K | Fichiers inhabituels |
| .R9L | Fichiers inhabituels |
| .R9M | Fichiers inhabituels |
| .R9N | Fichiers inhabituels |
| .R9O | Fichiers inhabituels |
| .R9P | Fichiers inhabituels |
| .R9Q | Fichiers inhabituels |
| .R9R | Fichiers inhabituels |
| .R9S | Fichiers inhabituels |
| .R9T | Fichiers inhabituels |
| .R9U | Fichiers inhabituels |
| .R9V | Fichiers inhabituels |
| .R9W | Fichiers inhabituels |
| .R9X | Fichiers inhabituels |
| .R9Y | Fichiers inhabituels |
| .R9Z | Fichiers inhabituels |
| .RA | Fichiers audio |
| .RA0 | Fichiers inhabituels |
| .RA1 | Fichiers inhabituels |
| .RA2 | Fichiers inhabituels |
| .RA3 | Fichiers inhabituels |
| .RA4 | Fichiers inhabituels |
| .RA5 | Fichiers inhabituels |
| .RA6 | Fichiers inhabituels |
| .RA7 | Fichiers inhabituels |
| .RA8 | Fichiers inhabituels |
| .RA9 | Fichiers inhabituels |
| .RAA | Fichiers inhabituels |
| Extension | description du fichier |
| .RAB | Fichiers inhabituels |
| .RABBIT | Fichiers inhabituels |
| .RAC | Fichiers inhabituels |
| .RAD | Fichiers image 3D |
| .RADIOREVOL | Fichiers inhabituels |
| .RAE | Fichiers inhabituels |
| .RAF | Fichiers image raster |
| .RAG | Fichiers inhabituels |
| .RAH | Fichiers inhabituels |
| .RAI | Fichiers inhabituels |
| .RAIDERS | Fichiers inhabituels |
| .RAIL | Fichiers inhabituels |
| .RAINDROPPI | Fichiers inhabituels |
| .RAINY | Fichiers inhabituels |
| .RAJ | Fichiers inhabituels |
| .RAK | Fichiers inhabituels |
| .RAL | Fichiers de données |
| .RAM | Fichiers audio |
| .RAMBLOCKS | Fichiers inhabituels |
| .RAMCARD | Fichiers inhabituels |
| .RAMDISK | Fichiers inhabituels |
| .RAMSON | Fichiers inhabituels |
| .RAN | Fichiers inhabituels |
| .RAO | Fichiers inhabituels |
| .RAP | Fichiers inhabituels |
| .RAPP | Fichiers inhabituels |
| .RAQ | Fichiers inhabituels |
| .RAR | Fichiers compressés |
| .RARENX | Fichiers inhabituels |
| .RAS | Fichiers de jeu |
| .RASMOL | Fichiers inhabituels |
| .RASMOLRC | Fichiers inhabituels |
| .RAST | Fichiers inhabituels |
| .RASTER | Fichiers inhabituels |
| .RAT | Fichiers divers |
| .RATDVD | Fichiers d'image disque |
| .RATES | Fichiers inhabituels |
| .RAU | Fichiers inhabituels |
| .RAV | Fichiers de développeur |
| .RAW | Fichiers image raster |
| .RAX | Fichiers audio |
| .RAY | Fichiers image 3D |
| .RAZ | Fichiers inhabituels |
| .RB | Fichiers de développeur |
| .RB0 | Fichiers inhabituels |
| .RB1 | Fichiers inhabituels |
| .RB2 | Fichiers inhabituels |
| .RB3 | Fichiers inhabituels |
| .RB4 | Fichiers de paramètres |
| .RB5 | Fichiers inhabituels |
| .RB6 | Fichiers inhabituels |
| .RB7 | Fichiers inhabituels |
| .RB8 | Fichiers inhabituels |
| .RB9 | Fichiers inhabituels |
| .RBA | Fichiers inhabituels |
| .RBB | Fichiers inhabituels |
| .RBBAS | Fichiers inhabituels |
| .RBC | Fichiers de sauvegarde |
| .RBD | Fichiers inhabituels |
| .RBE | Fichiers inhabituels |
| .RBF | Fichiers de sauvegarde |
| .RBFRM | Fichiers inhabituels |
| .RBG | Fichiers inhabituels |
| .RBH | Fichiers inhabituels |
| .RBI | Fichiers inhabituels |
| .RBJ | Fichiers inhabituels |
| .RBK | Fichiers de sauvegarde |
| .RBL | Fichiers inhabituels |
| .RBM | Fichiers inhabituels |
| .RBMNU | Fichiers inhabituels |
| .RBN | Fichiers inhabituels |
| .RBO | Fichiers inhabituels |
| .RBP | Fichiers de développeur |
| .RBPM | Fichiers inhabituels |
| .RBQ | Fichiers inhabituels |
