| Extension | File Description |
| .XUF | Uncommon Files |
| .XUG | Uncommon Files |
| .XUH | Uncommon Files |
| .XUI | Settings Files |
| .XUJ | Uncommon Files |
| .XUK | Uncommon Files |
| .XUL | Web Files |
| .XUM | Uncommon Files |
| .XUN | Uncommon Files |
| .XUO | Uncommon Files |
| .XUP | Uncommon Files |
| .XUQ | Uncommon Files |
| .XUR | Uncommon Files |
| .XUS | Uncommon Files |
| .XUT | Uncommon Files |
| .XUU | Uncommon Files |
| .XUV | Uncommon Files |
| .XUW | Uncommon Files |
| .XUX | Uncommon Files |
| .XUY | Uncommon Files |
| .XUZ | Uncommon Files |
| .XV | Uncommon Files |
| .XV0 | Uncommon Files |
| .XV1 | Uncommon Files |
| .XV2 | Uncommon Files |
| .XV3 | Uncommon Files |
| .XV4 | Uncommon Files |
| .XV5 | Uncommon Files |
| .XV6 | Uncommon Files |
| .XV7 | Uncommon Files |
| .XV8 | Uncommon Files |
| .XV9 | Uncommon Files |
| .XVA | Uncommon Files |
| .XVB | Uncommon Files |
| .XVC | Uncommon Files |
| .XVD | Uncommon Files |
| .XVE | Uncommon Files |
| .XVF | Uncommon Files |
| .XVG | Uncommon Files |
| .XVH | Uncommon Files |
| .XVI | Uncommon Files |
| .XVID | Video Files |
| .XVJ | Uncommon Files |
| .XVK | Uncommon Files |
| .XVL | Uncommon Files |
| .XVM | Settings Files |
| .XVML | Data Files |
| .XVN | Uncommon Files |
| .XVO | Uncommon Files |
| .XVP | Uncommon Files |
| .XVQ | Uncommon Files |
| .XVR | Uncommon Files |
| .XVS | Uncommon Files |
| .XVT | Uncommon Files |
| .XVU | Uncommon Files |
| .XVV | Uncommon Files |
| .XVW | Uncommon Files |
| .XVX | Uncommon Files |
| .XVY | Uncommon Files |
| .XVZ | Uncommon Files |
| .XW0 | Uncommon Files |
| .XW1 | Uncommon Files |
| .XW2 | Uncommon Files |
| .XW3 | Uncommon Files |
| .XW4 | Uncommon Files |
| .XW5 | Uncommon Files |
| .XW6 | Uncommon Files |
| .XW7 | Uncommon Files |
| .XW8 | Uncommon Files |
| .XW9 | Uncommon Files |
| .XWA | Uncommon Files |
| .XWB | Audio Files |
| .XWC | Uncommon Files |
| .XWD | Raster Image Files |
| .XWE | Uncommon Files |
| Extension | File Description |
| .XWF | Misc Files |
| .XWG | Uncommon Files |
| .XWH | Uncommon Files |
| .XWI | Uncommon Files |
| .XWJ | Uncommon Files |
| .XWK | Settings Files |
| .XWL | Uncommon Files |
| .XWM | Uncommon Files |
| .XWN | Uncommon Files |
| .XWO | Uncommon Files |
| .XWP | Text Files |
| .XWQ | Uncommon Files |
| .XWR | Uncommon Files |
| .XWS | Web Files |
| .XWT | Uncommon Files |
| .XWU | Uncommon Files |
| .XWV | Uncommon Files |
| .XWW | Uncommon Files |
| .XWX | Uncommon Files |
| .XWY | Uncommon Files |
| .XWZ | Uncommon Files |
| .XWZ_1 | Uncommon Files |
| .XX | Compressed Files |
| .XX0 | Uncommon Files |
| .XX1 | Uncommon Files |
| .XX2 | Uncommon Files |
| .XX3 | Uncommon Files |
| .XX4 | Uncommon Files |
| .XX5 | Uncommon Files |
| .XX6 | Uncommon Files |
| .XX7 | Uncommon Files |
| .XX8 | Uncommon Files |
| .XX9 | Uncommon Files |
| .XXA | Uncommon Files |
| .XXB | Uncommon Files |
| .XXC | Uncommon Files |
| .XXD | Data Files |
| .XXE | Encoded Files |
| .XXF | Uncommon Files |
| .XXG | Uncommon Files |
| .XXH | Uncommon Files |
| .XXI | Uncommon Files |
| .XXJ | Uncommon Files |
| .XXK | Uncommon Files |
| .XXL | Uncommon Files |
| .XXM | Uncommon Files |
| .XXN | Uncommon Files |
| .XXO | Uncommon Files |
| .XXP | Uncommon Files |
| .XXQ | Uncommon Files |
| .XXR | Uncommon Files |
| .XXS | Uncommon Files |
| .XXT | Uncommon Files |
| .XXU | Uncommon Files |
| .XXV | Uncommon Files |
| .XXW | Uncommon Files |
| .XXX | Misc Files |
| .XXXX | Uncommon Files |
| .XXXXXX | Uncommon Files |
| .XXY | Uncommon Files |
| .XXZ | Uncommon Files |
| .XY | Text Files |
| .XY0 | Uncommon Files |
| .XY1 | Uncommon Files |
| .XY2 | Uncommon Files |
| .XY3 | Text Files |
| .XY4 | Uncommon Files |
| .XY4V | Uncommon Files |
| .XY5 | Uncommon Files |
| .XY6 | Uncommon Files |
| .XY7 | Uncommon Files |
| .XY8 | Uncommon Files |
| .XY9 | Uncommon Files |
| .XYA | Uncommon Files |
| .XYB | CAD Files |
