| Extension | File Description |
| .Y | Compressed Files |
| .Y00 | Uncommon Files |
| .Y01 | Uncommon Files |
| .Y02 | Uncommon Files |
| .Y03 | Uncommon Files |
| .Y04 | Uncommon Files |
| .Y05 | Uncommon Files |
| .Y06 | Uncommon Files |
| .Y07 | Uncommon Files |
| .Y08 | Uncommon Files |
| .Y09 | Uncommon Files |
| .Y0A | Uncommon Files |
| .Y0B | Uncommon Files |
| .Y0C | Uncommon Files |
| .Y0D | Uncommon Files |
| .Y0E | Uncommon Files |
| .Y0F | Uncommon Files |
| .Y0G | Uncommon Files |
| .Y0H | Uncommon Files |
| .Y0I | Uncommon Files |
| .Y0J | Uncommon Files |
| .Y0K | Uncommon Files |
| .Y0L | Uncommon Files |
| .Y0M | Uncommon Files |
| .Y0N | Uncommon Files |
| .Y0O | Uncommon Files |
| .Y0P | Uncommon Files |
| .Y0Q | Uncommon Files |
| .Y0R | Uncommon Files |
| .Y0S | Uncommon Files |
| .Y0T | Uncommon Files |
| .Y0U | Uncommon Files |
| .Y0V | Uncommon Files |
| .Y0W | Uncommon Files |
| .Y0X | Uncommon Files |
| .Y0Y | Uncommon Files |
| .Y0Z | Uncommon Files |
| .Y10 | Uncommon Files |
| .Y11 | Uncommon Files |
| .Y12 | Uncommon Files |
| .Y13 | Uncommon Files |
| .Y14 | Uncommon Files |
| .Y15 | Uncommon Files |
| .Y16 | Uncommon Files |
| .Y17 | Uncommon Files |
| .Y18 | Uncommon Files |
| .Y19 | Uncommon Files |
| .Y1A | Uncommon Files |
| .Y1B | Uncommon Files |
| .Y1C | Uncommon Files |
| .Y1D | Uncommon Files |
| .Y1E | Uncommon Files |
| .Y1F | Uncommon Files |
| .Y1G | Uncommon Files |
| .Y1H | Uncommon Files |
| .Y1I | Uncommon Files |
| .Y1J | Uncommon Files |
| .Y1K | Uncommon Files |
| .Y1L | Uncommon Files |
| .Y1M | Uncommon Files |
| .Y1N | Uncommon Files |
| .Y1O | Uncommon Files |
| .Y1P | Uncommon Files |
| .Y1Q | Uncommon Files |
| .Y1R | Uncommon Files |
| .Y1S | Uncommon Files |
| .Y1T | Uncommon Files |
| .Y1U | Uncommon Files |
| .Y1V | Uncommon Files |
| .Y1W | Uncommon Files |
| .Y1X | Uncommon Files |
| .Y1Y | Uncommon Files |
| .Y1Z | Uncommon Files |
| .Y2 | Uncommon Files |
| .Y20 | Uncommon Files |
| Extension | File Description |
| .Y21 | Uncommon Files |
| .Y22 | Uncommon Files |
| .Y23 | Uncommon Files |
| .Y24 | Uncommon Files |
| .Y25 | Uncommon Files |
| .Y26 | Uncommon Files |
| .Y27 | Uncommon Files |
| .Y28 | Uncommon Files |
| .Y29 | Uncommon Files |
| .Y2A | Uncommon Files |
| .Y2B | Uncommon Files |
| .Y2C | Uncommon Files |
| .Y2D | Uncommon Files |
| .Y2E | Uncommon Files |
| .Y2F | Uncommon Files |
| .Y2G | Uncommon Files |
| .Y2H | Uncommon Files |
| .Y2I | Uncommon Files |
| .Y2J | Uncommon Files |
| .Y2K | Uncommon Files |
| .Y2L | Uncommon Files |
| .Y2M | Uncommon Files |
| .Y2N | Uncommon Files |
| .Y2O | Uncommon Files |
| .Y2P | Uncommon Files |
| .Y2Q | Uncommon Files |
| .Y2R | Uncommon Files |
| .Y2S | Uncommon Files |
| .Y2T | Uncommon Files |
| .Y2U | Uncommon Files |
| .Y2V | Uncommon Files |
| .Y2W | Uncommon Files |
| .Y2X | Uncommon Files |
| .Y2Y | Uncommon Files |
| .Y2Z | Uncommon Files |
| .Y30 | Uncommon Files |
| .Y31 | Uncommon Files |
| .Y32 | Uncommon Files |
| .Y33 | Uncommon Files |
| .Y34 | Uncommon Files |
| .Y35 | Uncommon Files |
| .Y36 | Uncommon Files |
| .Y37 | Uncommon Files |
| .Y38 | Uncommon Files |
| .Y39 | Uncommon Files |
| .Y3A | Uncommon Files |
| .Y3B | Uncommon Files |
| .Y3C | Uncommon Files |
| .Y3D | Uncommon Files |
| .Y3E | Uncommon Files |
| .Y3F | Uncommon Files |
| .Y3G | Uncommon Files |
| .Y3H | Uncommon Files |
| .Y3I | Uncommon Files |
| .Y3J | Uncommon Files |
| .Y3K | Uncommon Files |
| .Y3L | Uncommon Files |
| .Y3M | Uncommon Files |
| .Y3N | Uncommon Files |
| .Y3O | Uncommon Files |
| .Y3P | Uncommon Files |
| .Y3Q | Uncommon Files |
| .Y3R | Uncommon Files |
| .Y3S | Uncommon Files |
| .Y3T | Uncommon Files |
| .Y3U | Uncommon Files |
| .Y3V | Uncommon Files |
| .Y3W | Uncommon Files |
| .Y3X | Uncommon Files |
| .Y3Y | Uncommon Files |
| .Y3Z | Uncommon Files |
| .Y40 | Uncommon Files |
| .Y41 | Uncommon Files |
| .Y42 | Uncommon Files |
| .Y43 | Uncommon Files |
