| Extension | File Description |
| .X84 | Uncommon Files |
| .X85 | Uncommon Files |
| .X86 | Uncommon Files |
| .X87 | Uncommon Files |
| .X88 | Uncommon Files |
| .X89 | Uncommon Files |
| .X8A | Uncommon Files |
| .X8B | Uncommon Files |
| .X8C | Uncommon Files |
| .X8D | Uncommon Files |
| .X8E | Uncommon Files |
| .X8F | Uncommon Files |
| .X8G | Uncommon Files |
| .X8H | Uncommon Files |
| .X8I | Uncommon Files |
| .X8J | Uncommon Files |
| .X8K | Uncommon Files |
| .X8L | Uncommon Files |
| .X8M | Uncommon Files |
| .X8N | Uncommon Files |
| .X8O | Uncommon Files |
| .X8P | Uncommon Files |
| .X8Q | Uncommon Files |
| .X8R | Uncommon Files |
| .X8S | Uncommon Files |
| .X8T | Uncommon Files |
| .X8U | Uncommon Files |
| .X8V | Uncommon Files |
| .X8W | Uncommon Files |
| .X8X | Uncommon Files |
| .X8Y | Uncommon Files |
| .X8Z | Uncommon Files |
| .X90 | Uncommon Files |
| .X91 | Uncommon Files |
| .X92 | Uncommon Files |
| .X93 | Uncommon Files |
| .X94 | Uncommon Files |
| .X95 | Uncommon Files |
| .X96 | Uncommon Files |
| .X97 | Uncommon Files |
| .X98 | Uncommon Files |
| .X99 | Uncommon Files |
| .X9A | Uncommon Files |
| .X9B | Uncommon Files |
| .X9C | Uncommon Files |
| .X9D | Uncommon Files |
| .X9E | Uncommon Files |
| .X9F | Uncommon Files |
| .X9G | Uncommon Files |
| .X9H | Uncommon Files |
| .X9I | Uncommon Files |
| .X9J | Uncommon Files |
| .X9K | Uncommon Files |
| .X9L | Uncommon Files |
| .X9M | Uncommon Files |
| .X9N | Uncommon Files |
| .X9O | Uncommon Files |
| .X9P | Uncommon Files |
| .X9Q | Uncommon Files |
| .X9R | Uncommon Files |
| .X9S | Uncommon Files |
| .X9T | Uncommon Files |
| .X9U | Uncommon Files |
| .X9V | Uncommon Files |
| .X9W | Uncommon Files |
| .X9X | Uncommon Files |
| .X9Y | Uncommon Files |
| .X9Z | Uncommon Files |
| .XA | Audio Files |
| .XA0 | Uncommon Files |
| .XA1 | Uncommon Files |
| .XA2 | Uncommon Files |
| .XA3 | Uncommon Files |
| .XA4 | Uncommon Files |
| .XA5 | Uncommon Files |
| Extension | File Description |
| .XA6 | Uncommon Files |
| .XA7 | Uncommon Files |
| .XA8 | Uncommon Files |
| .XA9 | Uncommon Files |
| .XAA | Uncommon Files |
| .XAB | Uncommon Files |
| .XAC | Uncommon Files |
| .XACT | Uncommon Files |
| .XAD | Uncommon Files |
| .XADML | Uncommon Files |
| .XAE | Uncommon Files |
| .XAF | 3D Image Files |
| .XAG | Uncommon Files |
| .XAH | Uncommon Files |
| .XAI | Uncommon Files |
| .XAJ | Uncommon Files |
| .XAK | Uncommon Files |
| .XAL | Uncommon Files |
| .XAM | Uncommon Files |
| .XAML | Developer Files |
| .XAN | Game Files |
| .XAO | Uncommon Files |
| .XAP | Executable Files |
| .XAQ | Uncommon Files |
| .XAR | Vector Image Files |
| .XARC | Uncommon Files |
| .XAS | Data Files |
| .XAT | Uncommon Files |
| .XAU | Uncommon Files |
| .XAV | Uncommon Files |
| .XAW | Uncommon Files |
| .XAX | Uncommon Files |
| .XAY | Uncommon Files |
| .XAZ | Uncommon Files |
| .XB0 | Uncommon Files |
| .XB1 | Uncommon Files |
| .XB2 | Uncommon Files |
| .XB3 | Uncommon Files |
| .XB4 | Uncommon Files |
| .XB5 | Uncommon Files |
| .XB6 | Uncommon Files |
| .XB7 | Uncommon Files |
| .XB8 | Uncommon Files |
| .XB9 | Uncommon Files |
| .XBA | Plugin Files |
| .XBAP | Executable Files |
| .XBB | Uncommon Files |
| .XBC | Uncommon Files |
| .XBD | Text Files |
| .XBE | Game Files |
| .XBEL | Web Files |
| .XBF | Uncommon Files |
| .XBG | Uncommon Files |
| .XBH | Uncommon Files |
| .XBI | Uncommon Files |
| .XBIN | Uncommon Files |
| .XBJ | Uncommon Files |
| .XBK | Backup Files |
| .XBL | Web Files |
| .XBM | Raster Image Files |
| .XBN | Uncommon Files |
| .XBO | Uncommon Files |
| .XBP | Uncommon Files |
| .XBQ | Uncommon Files |
| .XBR | Uncommon Files |
| .XBS | Uncommon Files |
| .XBT | Uncommon Files |
| .XBU | Uncommon Files |
| .XBV | Uncommon Files |
| .XBW | Uncommon Files |
| .XBX | Uncommon Files |
| .XBY | Uncommon Files |
| .XBZ | Uncommon Files |
| .XB~ | Uncommon Files |
| .XC | Uncommon Files |
