| Extension | File Description |
| .YWN | Uncommon Files |
| .YWO | Uncommon Files |
| .YWP | Uncommon Files |
| .YWQ | Uncommon Files |
| .YWR | Uncommon Files |
| .YWS | Uncommon Files |
| .YWT | Uncommon Files |
| .YWU | Uncommon Files |
| .YWV | Uncommon Files |
| .YWW | Uncommon Files |
| .YWX | Uncommon Files |
| .YWY | Uncommon Files |
| .YWZ | Uncommon Files |
| .YX0 | Uncommon Files |
| .YX1 | Uncommon Files |
| .YX2 | Uncommon Files |
| .YX3 | Uncommon Files |
| .YX4 | Uncommon Files |
| .YX5 | Uncommon Files |
| .YX6 | Uncommon Files |
| .YX7 | Uncommon Files |
| .YX8 | Uncommon Files |
| .YX9 | Uncommon Files |
| .YXA | Uncommon Files |
| .YXB | Uncommon Files |
| .YXC | Uncommon Files |
| .YXD | Uncommon Files |
| .YXE | Uncommon Files |
| .YXF | Uncommon Files |
| .YXG | Uncommon Files |
| .YXH | Uncommon Files |
| .YXI | Uncommon Files |
| .YXJ | Uncommon Files |
| .YXK | Uncommon Files |
| .YXL | Uncommon Files |
| .YXM | Uncommon Files |
| .YXN | Uncommon Files |
| .YXO | Uncommon Files |
| .YXP | Uncommon Files |
| .YXQ | Uncommon Files |
| .YXR | Uncommon Files |
| .YXS | Uncommon Files |
| .YXT | Uncommon Files |
| .YXU | Uncommon Files |
| .YXV | Uncommon Files |
| .YXW | Uncommon Files |
| .YXX | Uncommon Files |
| .YXY | Uncommon Files |
| .YXZ | Uncommon Files |
| .YY0 | Uncommon Files |
| .YY1 | Uncommon Files |
| .YY2 | Uncommon Files |
| .YY3 | Uncommon Files |
| .YY4 | Uncommon Files |
| .YY5 | Uncommon Files |
| .YY6 | Uncommon Files |
| .YY7 | Uncommon Files |
| .YY8 | Uncommon Files |
| .YY9 | Uncommon Files |
| .YYA | Uncommon Files |
| .YYB | Uncommon Files |
| Extension | File Description |
| .YYC | Uncommon Files |
| .YYD | Uncommon Files |
| .YYE | Uncommon Files |
| .YYF | Uncommon Files |
| .YYG | Uncommon Files |
| .YYH | Uncommon Files |
| .YYI | Uncommon Files |
| .YYJ | Uncommon Files |
| .YYK | Uncommon Files |
| .YYL | Uncommon Files |
| .YYM | Uncommon Files |
| .YYN | Uncommon Files |
| .YYO | Uncommon Files |
| .YYP | Uncommon Files |
| .YYQ | Uncommon Files |
| .YYR | Uncommon Files |
| .YYS | Uncommon Files |
| .YYT | Uncommon Files |
| .YYU | Uncommon Files |
| .YYV | Uncommon Files |
| .YYW | Uncommon Files |
| .YYX | Uncommon Files |
| .YYY | Uncommon Files |
| .YYZ | Uncommon Files |
| .YZ | Compressed Files |
| .YZ0 | Uncommon Files |
| .YZ1 | Compressed Files |
| .YZ2 | Uncommon Files |
| .YZ3 | Uncommon Files |
| .YZ4 | Uncommon Files |
| .YZ5 | Uncommon Files |
| .YZ6 | Uncommon Files |
| .YZ7 | Uncommon Files |
| .YZ8 | Uncommon Files |
| .YZ9 | Uncommon Files |
| .YZA | Uncommon Files |
| .YZB | Uncommon Files |
| .YZC | Uncommon Files |
| .YZD | Uncommon Files |
| .YZE | Uncommon Files |
| .YZF | Uncommon Files |
| .YZG | Uncommon Files |
| .YZH | Uncommon Files |
| .YZI | Uncommon Files |
| .YZJ | Uncommon Files |
| .YZK | Uncommon Files |
| .YZL | Uncommon Files |
| .YZM | Uncommon Files |
| .YZN | Uncommon Files |
| .YZO | Uncommon Files |
| .YZP | Uncommon Files |
| .YZQ | Uncommon Files |
| .YZR | Uncommon Files |
| .YZS | Uncommon Files |
| .YZT | Uncommon Files |
| .YZU | Uncommon Files |
| .YZV | Uncommon Files |
| .YZW | Uncommon Files |
| .YZX | Uncommon Files |
| .YZY | Uncommon Files |
| .YZZ | Uncommon Files |
