| Extension | File Description |
| .IW7 | Uncommon Files |
| .IW8 | Uncommon Files |
| .IW9 | Uncommon Files |
| .IWA | Uncommon Files |
| .IWB | Uncommon Files |
| .IWC | Uncommon Files |
| .IWD | Game Files |
| .IWE | Uncommon Files |
| .IWF | Uncommon Files |
| .IWG | Uncommon Files |
| .IWH | Uncommon Files |
| .IWI | Raster Image Files |
| .IWJ | Uncommon Files |
| .IWK | Uncommon Files |
| .IWL | Uncommon Files |
| .IWM | Uncommon Files |
| .IWN | Uncommon Files |
| .IWO | Uncommon Files |
| .IWP | Uncommon Files |
| .IWQ | Uncommon Files |
| .IWR | Uncommon Files |
| .IWR_BAK | Uncommon Files |
| .IWS | Misc Files |
| .IWT | Uncommon Files |
| .IWU | Uncommon Files |
| .IWV | Uncommon Files |
| .IWW | Uncommon Files |
| .IWX | Uncommon Files |
| .IWY | Uncommon Files |
| .IWZ | Developer Files |
| .IX | Settings Files |
| .IX0 | Uncommon Files |
| .IX1 | Uncommon Files |
| .IX2 | Data Files |
| .IX3 | Uncommon Files |
| .IX4 | Uncommon Files |
| .IX5 | Uncommon Files |
| .IX6 | Uncommon Files |
| .IX7 | Uncommon Files |
| .IX8 | Uncommon Files |
| .IX9 | Uncommon Files |
| .IXA | Disk Image Files |
| .IXB | Data Files |
| .IXC | Uncommon Files |
| .IXD | Uncommon Files |
| .IXE | Uncommon Files |
| .IXF | Uncommon Files |
| .IXG | Uncommon Files |
| .IXH | Uncommon Files |
| .IXI | Uncommon Files |
| .IXJ | Uncommon Files |
| .IXK | Uncommon Files |
| .IXL | Uncommon Files |
| .IXM | Uncommon Files |
| .IXN | Uncommon Files |
| .IXO | Uncommon Files |
| .IXP | Uncommon Files |
| .IXQ | Uncommon Files |
| .IXR | Uncommon Files |
| .IXS | Uncommon Files |
| .IXT | Uncommon Files |
| .IXU | Uncommon Files |
| .IXV | Uncommon Files |
| .IXW | Uncommon Files |
| .IXX | Uncommon Files |
| .IXY | Uncommon Files |
| .IXZ | Uncommon Files |
| .IY0 | Uncommon Files |
| .IY1 | Uncommon Files |
| .IY2 | Uncommon Files |
| .IY3 | Uncommon Files |
| Extension | File Description |
| .IY4 | Uncommon Files |
| .IY5 | Uncommon Files |
| .IY6 | Uncommon Files |
| .IY7 | Uncommon Files |
| .IY8 | Uncommon Files |
| .IY9 | Uncommon Files |
| .IYA | Uncommon Files |
| .IYB | Uncommon Files |
| .IYC | Uncommon Files |
| .IYD | Uncommon Files |
| .IYE | Uncommon Files |
| .IYF | Uncommon Files |
| .IYG | Uncommon Files |
| .IYH | Uncommon Files |
| .IYI | Uncommon Files |
| .IYJ | Uncommon Files |
| .IYK | Uncommon Files |
| .IYL | Uncommon Files |
| .IYM | Uncommon Files |
| .IYN | Uncommon Files |
| .IYO | Uncommon Files |
| .IYP | Uncommon Files |
| .IYQ | Uncommon Files |
| .IYR | Uncommon Files |
| .IYS | Uncommon Files |
| .IYT | Uncommon Files |
| .IYU | Uncommon Files |
| .IYV | Uncommon Files |
| .IYW | Uncommon Files |
| .IYX | Uncommon Files |
| .IYY | Uncommon Files |
| .IYZ | Uncommon Files |
| .IZ0 | Uncommon Files |
| .IZ1 | Uncommon Files |
| .IZ2 | Uncommon Files |
| .IZ3 | Uncommon Files |
| .IZ4 | Uncommon Files |
| .IZ5 | Uncommon Files |
| .IZ6 | Uncommon Files |
| .IZ7 | Uncommon Files |
| .IZ8 | Uncommon Files |
| .IZ9 | Uncommon Files |
| .IZA | Uncommon Files |
| .IZB | Uncommon Files |
| .IZC | Uncommon Files |
| .IZD | Uncommon Files |
| .IZE | Uncommon Files |
| .IZER | Uncommon Files |
| .IZF | Uncommon Files |
| .IZG | Uncommon Files |
| .IZH | Uncommon Files |
| .IZI | Uncommon Files |
| .IZJ | Uncommon Files |
| .IZK | Uncommon Files |
| .IZL | Uncommon Files |
| .IZM | Uncommon Files |
| .IZN | Uncommon Files |
| .IZO | Uncommon Files |
| .IZP | Uncommon Files |
| .IZQ | Uncommon Files |
| .IZR | Uncommon Files |
| .IZS | Uncommon Files |
| .IZT | Uncommon Files |
| .IZU | Uncommon Files |
| .IZV | Uncommon Files |
| .IZW | Uncommon Files |
| .IZX | Uncommon Files |
| .IZY | Uncommon Files |
| .IZZ | Uncommon Files |
| .I_I | Uncommon Files |
