| Extension | File Description |
| .D | Developer Files |
| .D$W | Uncommon Files |
| .D00 | Audio Files |
| .D01 | Disk Image Files |
| .D02 | Uncommon Files |
| .D03 | Uncommon Files |
| .D04 | Uncommon Files |
| .D05 | Uncommon Files |
| .D06 | Uncommon Files |
| .D07 | Uncommon Files |
| .D08 | Uncommon Files |
| .D09 | Uncommon Files |
| .D0A | Uncommon Files |
| .D0B | Uncommon Files |
| .D0C | Uncommon Files |
| .D0D | Uncommon Files |
| .D0E | Uncommon Files |
| .D0F | Uncommon Files |
| .D0G | Uncommon Files |
| .D0H | Uncommon Files |
| .D0I | Uncommon Files |
| .D0J | Uncommon Files |
| .D0K | Uncommon Files |
| .D0L | Uncommon Files |
| .D0M | Uncommon Files |
| .D0N | Uncommon Files |
| .D0O | Uncommon Files |
| .D0P | Uncommon Files |
| .D0Q | Uncommon Files |
| .D0R | Uncommon Files |
| .D0S | Uncommon Files |
| .D0T | Uncommon Files |
| .D0U | Uncommon Files |
| .D0V | Uncommon Files |
| .D0W | Uncommon Files |
| .D0X | Uncommon Files |
| .D0Y | Uncommon Files |
| .D0Z | Uncommon Files |
| .D1 | Uncommon Files |
| .D10 | Uncommon Files |
| .D11 | Uncommon Files |
| .D12 | Uncommon Files |
| .D13 | Uncommon Files |
| .D14 | Uncommon Files |
| .D15 | Uncommon Files |
| .D16 | Uncommon Files |
| .D17 | Uncommon Files |
| .D18 | Uncommon Files |
| .D19 | Uncommon Files |
| .D1A | Uncommon Files |
| .D1B | Uncommon Files |
| .D1C | Uncommon Files |
| .D1D | Uncommon Files |
| .D1E | Uncommon Files |
| .D1F | Uncommon Files |
| .D1G | Uncommon Files |
| .D1H | Uncommon Files |
| .D1I | Uncommon Files |
| .D1J | Uncommon Files |
| .D1K | Uncommon Files |
| .D1L | Uncommon Files |
| .D1M | Uncommon Files |
| .D1N | Uncommon Files |
| .D1O | Uncommon Files |
| .D1P | Uncommon Files |
| .D1Q | Uncommon Files |
| .D1R | Uncommon Files |
| .D1S | Uncommon Files |
| .D1T | Uncommon Files |
| .D1U | Uncommon Files |
| .D1V | Uncommon Files |
| .D1W | Uncommon Files |
| .D1X | Uncommon Files |
| .D1Y | Uncommon Files |
| .D1Z | Uncommon Files |
| Extension | File Description |
| .D2 | Uncommon Files |
| .D20 | Uncommon Files |
| .D21 | Uncommon Files |
| .D22 | Uncommon Files |
| .D23 | Uncommon Files |
| .D24 | Uncommon Files |
| .D25 | Uncommon Files |
| .D26 | Uncommon Files |
| .D27 | Uncommon Files |
| .D28 | Uncommon Files |
| .D29 | Uncommon Files |
| .D2A | Uncommon Files |
| .D2B | Uncommon Files |
| .D2C | Uncommon Files |
| .D2D | Uncommon Files |
| .D2E | Uncommon Files |
| .D2F | Uncommon Files |
| .D2G | Uncommon Files |
| .D2H | Uncommon Files |
| .D2I | Uncommon Files |
| .D2J | Uncommon Files |
| .D2K | Uncommon Files |
| .D2L | Uncommon Files |
| .D2M | Uncommon Files |
| .D2N | Uncommon Files |
| .D2O | Uncommon Files |
| .D2P | Uncommon Files |
| .D2Q | Uncommon Files |
| .D2R | Uncommon Files |
| .D2S | Game Files |
| .D2T | Uncommon Files |
| .D2U | Uncommon Files |
| .D2V | Video Files |
| .D2W | Uncommon Files |
| .D2WMODEL | Uncommon Files |
| .D2X | Uncommon Files |
| .D2Y | Uncommon Files |
| .D2Z | Uncommon Files |
| .D30 | Uncommon Files |
| .D31 | Uncommon Files |
| .D32 | Uncommon Files |
| .D33 | Uncommon Files |
| .D34 | Uncommon Files |
| .D35 | Uncommon Files |
| .D36 | Uncommon Files |
| .D37 | Uncommon Files |
| .D38 | Uncommon Files |
| .D39 | Uncommon Files |
| .D3A | Uncommon Files |
| .D3B | Uncommon Files |
| .D3C | Uncommon Files |
| .D3D | 3D Image Files |
| .D3E | Uncommon Files |
| .D3F | Uncommon Files |
| .D3G | Uncommon Files |
| .D3H | Uncommon Files |
| .D3I | Uncommon Files |
| .D3J | Uncommon Files |
| .D3K | Uncommon Files |
| .D3L | Uncommon Files |
| .D3M | Uncommon Files |
| .D3N | Uncommon Files |
| .D3O | Uncommon Files |
| .D3P | Uncommon Files |
| .D3Q | Uncommon Files |
| .D3R | Uncommon Files |
| .D3S | Uncommon Files |
| .D3T | Uncommon Files |
| .D3U | Uncommon Files |
| .D3V | Uncommon Files |
| .D3W | Uncommon Files |
| .D3X | Uncommon Files |
| .D3Y | Uncommon Files |
| .D3Z | Uncommon Files |
| .D4 | Uncommon Files |
