| Extension | File Description |
| .R8V | Uncommon Files |
| .R8W | Uncommon Files |
| .R8X | Uncommon Files |
| .R8Y | Uncommon Files |
| .R8Z | Uncommon Files |
| .R90 | Uncommon Files |
| .R91 | Uncommon Files |
| .R92 | Uncommon Files |
| .R93 | Uncommon Files |
| .R94 | Uncommon Files |
| .R95 | Uncommon Files |
| .R96 | Uncommon Files |
| .R97 | Uncommon Files |
| .R98 | Uncommon Files |
| .R99 | Uncommon Files |
| .R9A | Uncommon Files |
| .R9B | Uncommon Files |
| .R9C | Uncommon Files |
| .R9D | Uncommon Files |
| .R9E | Uncommon Files |
| .R9F | Uncommon Files |
| .R9G | Uncommon Files |
| .R9H | Uncommon Files |
| .R9I | Uncommon Files |
| .R9J | Uncommon Files |
| .R9K | Uncommon Files |
| .R9L | Uncommon Files |
| .R9M | Uncommon Files |
| .R9N | Uncommon Files |
| .R9O | Uncommon Files |
| .R9P | Uncommon Files |
| .R9Q | Uncommon Files |
| .R9R | Uncommon Files |
| .R9S | Uncommon Files |
| .R9T | Uncommon Files |
| .R9U | Uncommon Files |
| .R9V | Uncommon Files |
| .R9W | Uncommon Files |
| .R9X | Uncommon Files |
| .R9Y | Uncommon Files |
| .R9Z | Uncommon Files |
| .RA0 | Uncommon Files |
| .RA1 | Uncommon Files |
| .RA2 | Uncommon Files |
| .RA3 | Uncommon Files |
| .RA4 | Uncommon Files |
| .RA5 | Uncommon Files |
| .RA6 | Uncommon Files |
| .RA7 | Uncommon Files |
| .RA8 | Uncommon Files |
| .RA9 | Uncommon Files |
| .RAA | Uncommon Files |
| .RAB | Uncommon Files |
| .RABBIT | Uncommon Files |
| .RAC | Uncommon Files |
| .RADIOREVOL | Uncommon Files |
| .RAE | Uncommon Files |
| .RAG | Uncommon Files |
| .RAH | Uncommon Files |
| .RAI | Uncommon Files |
| .RAIDERS | Uncommon Files |
| .RAIL | Uncommon Files |
| .RAINDROPPI | Uncommon Files |
| .RAINY | Uncommon Files |
| .RAJ | Uncommon Files |
| .RAK | Uncommon Files |
| .RAMBLOCKS | Uncommon Files |
| .RAMCARD | Uncommon Files |
| .RAMDISK | Uncommon Files |
| .RAMSON | Uncommon Files |
| .RAN | Uncommon Files |
| .RAO | Uncommon Files |
| .RAP | Uncommon Files |
| .RAPP | Uncommon Files |
| .RAQ | Uncommon Files |
| Extension | File Description |
| .RARENX | Uncommon Files |
| .RASMOL | Uncommon Files |
| .RASMOLRC | Uncommon Files |
| .RAST | Uncommon Files |
| .RASTER | Uncommon Files |
| .RATES | Uncommon Files |
| .RAU | Uncommon Files |
| .RAZ | Uncommon Files |
| .RB0 | Uncommon Files |
| .RB1 | Uncommon Files |
| .RB2 | Uncommon Files |
| .RB3 | Uncommon Files |
| .RB5 | Uncommon Files |
| .RB6 | Uncommon Files |
| .RB7 | Uncommon Files |
| .RB8 | Uncommon Files |
| .RB9 | Uncommon Files |
| .RBA | Uncommon Files |
| .RBB | Uncommon Files |
| .RBBAS | Uncommon Files |
| .RBD | Uncommon Files |
| .RBE | Uncommon Files |
| .RBFRM | Uncommon Files |
| .RBG | Uncommon Files |
| .RBH | Uncommon Files |
| .RBI | Uncommon Files |
| .RBJ | Uncommon Files |
| .RBL | Uncommon Files |
| .RBM | Uncommon Files |
| .RBMNU | Uncommon Files |
| .RBN | Uncommon Files |
| .RBO | Uncommon Files |
| .RBPM | Uncommon Files |
| .RBQ | Uncommon Files |
| .RBR | Uncommon Files |
| .RBRES | Uncommon Files |
| .RBU | Uncommon Files |
| .RBV | Uncommon Files |
| .RBW | Uncommon Files |
| .RBY | Uncommon Files |
| .RBZ | Uncommon Files |
| .RC0 | Uncommon Files |
| .RC1 | Uncommon Files |
| .RC3 | Uncommon Files |
| .RC4 | Uncommon Files |
| .RC5 | Uncommon Files |
| .RC6 | Uncommon Files |
| .RC7 | Uncommon Files |
| .RC8 | Uncommon Files |
| .RC9 | Uncommon Files |
| .RCA | Uncommon Files |
| .RCB | Uncommon Files |
| .RCC | Uncommon Files |
| .RCE | Uncommon Files |
| .RCH | Uncommon Files |
| .RCI | Uncommon Files |
| .RCJ | Uncommon Files |
| .RCK | Uncommon Files |
| .RCM | Uncommon Files |
| .RCN | Uncommon Files |
| .RCP | Uncommon Files |
| .RCQ | Uncommon Files |
| .RCR | Uncommon Files |
| .RCU | Uncommon Files |
| .RCV | Uncommon Files |
| .RCW | Uncommon Files |
| .RCZ | Uncommon Files |
| .RC_ | Uncommon Files |
| .RD | Uncommon Files |
| .RD0 | Uncommon Files |
| .RD1 | Uncommon Files |
| .RD2 | Uncommon Files |
| .RD3 | Uncommon Files |
| .RD4 | Uncommon Files |
| .RD5 | Uncommon Files |
