| Extension | File Description |
| .U89 | Uncommon Files |
| .U8A | Uncommon Files |
| .U8B | Uncommon Files |
| .U8C | Uncommon Files |
| .U8D | Uncommon Files |
| .U8E | Uncommon Files |
| .U8F | Uncommon Files |
| .U8G | Uncommon Files |
| .U8H | Uncommon Files |
| .U8I | Uncommon Files |
| .U8J | Uncommon Files |
| .U8K | Uncommon Files |
| .U8L | Uncommon Files |
| .U8M | Uncommon Files |
| .U8N | Uncommon Files |
| .U8O | Uncommon Files |
| .U8P | Uncommon Files |
| .U8Q | Uncommon Files |
| .U8R | Uncommon Files |
| .U8S | Uncommon Files |
| .U8T | Uncommon Files |
| .U8U | Uncommon Files |
| .U8V | Uncommon Files |
| .U8W | Uncommon Files |
| .U8X | Uncommon Files |
| .U8Y | Uncommon Files |
| .U8Z | Uncommon Files |
| .U90 | Uncommon Files |
| .U91 | Uncommon Files |
| .U92 | Uncommon Files |
| .U93 | Uncommon Files |
| .U94 | Uncommon Files |
| .U95 | Uncommon Files |
| .U96 | Uncommon Files |
| .U97 | Uncommon Files |
| .U98 | Uncommon Files |
| .U99 | Uncommon Files |
| .U9A | Uncommon Files |
| .U9B | Uncommon Files |
| .U9C | Uncommon Files |
| .U9D | Uncommon Files |
| .U9E | Uncommon Files |
| .U9F | Uncommon Files |
| .U9G | Uncommon Files |
| .U9H | Uncommon Files |
| .U9I | Uncommon Files |
| .U9J | Uncommon Files |
| .U9K | Uncommon Files |
| .U9L | Uncommon Files |
| .U9M | Uncommon Files |
| .U9N | Uncommon Files |
| .U9O | Uncommon Files |
| .U9P | Uncommon Files |
| .U9Q | Uncommon Files |
| .U9R | Uncommon Files |
| .U9S | Uncommon Files |
| .U9T | Uncommon Files |
| .U9U | Uncommon Files |
| .U9V | Uncommon Files |
| .U9W | Uncommon Files |
| .U9X | Uncommon Files |
| .U9Y | Uncommon Files |
| .U9Z | Uncommon Files |
| .UA | Audio Files |
| .UA0 | Uncommon Files |
| .UA1 | Uncommon Files |
| .UA2 | Uncommon Files |
| .UA3 | Uncommon Files |
| .UA4 | Uncommon Files |
| .UA5 | Uncommon Files |
| .UA6 | Uncommon Files |
| .UA7 | Uncommon Files |
| .UA8 | Uncommon Files |
| .UA9 | Uncommon Files |
| .UAA | Uncommon Files |
| Extension | File Description |
| .UAB | Uncommon Files |
| .UAC | Uncommon Files |
| .UAD | Uncommon Files |
| .UAE | Uncommon Files |
| .UAF | Uncommon Files |
| .UAG | Uncommon Files |
| .UAH | Uncommon Files |
| .UAI | Uncommon Files |
| .UAJ | Uncommon Files |
| .UAK | Uncommon Files |
| .UAL | Uncommon Files |
| .UAM | Uncommon Files |
| .UAN | Uncommon Files |
| .UAO | Uncommon Files |
| .UAP | Uncommon Files |
| .UAQ | Uncommon Files |
| .UAR | Uncommon Files |
| .UAS | Uncommon Files |
| .UAT | Uncommon Files |
| .UAU | Uncommon Files |
| .UAV | Uncommon Files |
| .UAW | Uncommon Files |
| .UAX | Audio Files |
| .UAY | Uncommon Files |
| .UAZ | Uncommon Files |
| .UB | Audio Files |
| .UB0 | Uncommon Files |
| .UB1 | Uncommon Files |
| .UB2 | Uncommon Files |
| .UB3 | Uncommon Files |
| .UB4 | Uncommon Files |
| .UB5 | Uncommon Files |
| .UB6 | Uncommon Files |
| .UB7 | Uncommon Files |
| .UB8 | Uncommon Files |
| .UB9 | Uncommon Files |
| .UBA | Uncommon Files |
| .UBB | Uncommon Files |
| .UBC | Uncommon Files |
| .UBD | Uncommon Files |
| .UBE | Uncommon Files |
| .UBF | Uncommon Files |
| .UBG | Uncommon Files |
| .UBH | Uncommon Files |
| .UBI | Uncommon Files |
| .UBJ | Uncommon Files |
| .UBK | Uncommon Files |
| .UBL | Uncommon Files |
| .UBM | Uncommon Files |
| .UBN | Uncommon Files |
| .UBO | Uncommon Files |
| .UBP | Uncommon Files |
| .UBQ | Uncommon Files |
| .UBR | Uncommon Files |
| .UBS | Uncommon Files |
| .UBT | Uncommon Files |
| .UBU | Uncommon Files |
| .UBV | Uncommon Files |
| .UBW | Uncommon Files |
| .UBX | Uncommon Files |
| .UBY | Uncommon Files |
| .UBZ | Uncommon Files |
| .UC | Game Files |
| .UC0 | Uncommon Files |
| .UC1 | Uncommon Files |
| .UC2 | Compressed Files |
| .UC3 | Uncommon Files |
| .UC4 | Uncommon Files |
| .UC5 | Uncommon Files |
| .UC6 | Uncommon Files |
| .UC7 | Uncommon Files |
| .UC8 | Uncommon Files |
| .UC9 | Uncommon Files |
| .UCA | Uncommon Files |
| .UCB | Uncommon Files |
