| Extension | File Description |
| .DWB | Uncommon Files |
| .DWC | Misc Files |
| .DWD | Audio Files |
| .DWE | Uncommon Files |
| .DWEXPORTER | Uncommon Files |
| .DWF | 3D Image Files |
| .DWG | CAD Files |
| .DWH | Uncommon Files |
| .DWI | Data Files |
| .DWJ | Uncommon Files |
| .DWK | Uncommon Files |
| .DWL | Misc Files |
| .DWM | Uncommon Files |
| .DWN | Misc Files |
| .DWO | Uncommon Files |
| .DWP | Game Files |
| .DWQ | Uncommon Files |
| .DWR | Uncommon Files |
| .DWS | CAD Files |
| .DWT | CAD Files |
| .DWU | Uncommon Files |
| .DWV | Uncommon Files |
| .DWW | Uncommon Files |
| .DWX | Uncommon Files |
| .DWY | Uncommon Files |
| .DWZ | Data Files |
| .DX | Text Files |
| .DX0 | Uncommon Files |
| .DX1 | Uncommon Files |
| .DX2 | Uncommon Files |
| .DX3 | Uncommon Files |
| .DX4 | Uncommon Files |
| .DX5 | Uncommon Files |
| .DX6 | Uncommon Files |
| .DX7 | Uncommon Files |
| .DX8 | Uncommon Files |
| .DX9 | Uncommon Files |
| .DXA | Uncommon Files |
| .DXB | Vector Image Files |
| .DXC | Uncommon Files |
| .DXD | Uncommon Files |
| .DXE | CAD Files |
| .DXF | CAD Files |
| .DXG | Uncommon Files |
| .DXH | Uncommon Files |
| .DXI | Uncommon Files |
| .DXJ | Uncommon Files |
| .DXK | Uncommon Files |
| .DXL | Database Files |
| .DXM | Uncommon Files |
| .DXMAX | Uncommon Files |
| .DXML | Uncommon Files |
| .DXN | Uncommon Files |
| .DXO | Uncommon Files |
| .DXP | Settings Files |
| .DXPACK | Uncommon Files |
| .DXPACKPRO | Uncommon Files |
| .DXQ | Uncommon Files |
| .DXR | Video Files |
| .DXS | Game Files |
| .DXSTUDIO | Uncommon Files |
| .DXT | Uncommon Files |
| .DXTHEME | Uncommon Files |
| .DXTHEMEPRO | Uncommon Files |
| .DXU | Uncommon Files |
| .DXV | Uncommon Files |
| .DXW | Uncommon Files |
| .DXX | CAD Files |
| .DXY | Uncommon Files |
| .DXZ | Uncommon Files |
| .DY0 | Uncommon Files |
| .DY1 | Uncommon Files |
| .DY2 | Uncommon Files |
| .DY22 | Uncommon Files |
| .DY3 | Uncommon Files |
| Extension | File Description |
| .DY4 | Uncommon Files |
| .DY44 | Uncommon Files |
| .DY5 | Uncommon Files |
| .DY6 | Uncommon Files |
| .DY7 | Uncommon Files |
| .DY8 | Uncommon Files |
| .DY9 | Uncommon Files |
| .DYA | Uncommon Files |
| .DYAINSTS | Uncommon Files |
| .DYB | Uncommon Files |
| .DYC | System Files |
| .DYD | Uncommon Files |
| .DYE | Uncommon Files |
| .DYF | Uncommon Files |
| .DYG | Uncommon Files |
| .DYH | Uncommon Files |
| .DYI | Uncommon Files |
| .DYJ | Uncommon Files |
| .DYK | Uncommon Files |
| .DYL | Uncommon Files |
| .DYLAN | Uncommon Files |
| .DYLIB | Developer Files |
| .DYM | Uncommon Files |
| .DYN | Uncommon Files |
| .DYNAMO | Uncommon Files |
| .DYO | Uncommon Files |
| .DYP | Uncommon Files |
| .DYQ | Uncommon Files |
| .DYR | Uncommon Files |
| .DYS | Uncommon Files |
| .DYT | Uncommon Files |
| .DYU | Uncommon Files |
| .DYV | Uncommon Files |
| .DYW | Uncommon Files |
| .DYX | Uncommon Files |
| .DYY | Uncommon Files |
| .DYZ | Uncommon Files |
| .DZ | Compressed Files |
| .DZ0 | Uncommon Files |
| .DZ1 | Uncommon Files |
| .DZ2 | Uncommon Files |
| .DZ3 | Uncommon Files |
| .DZ4 | Uncommon Files |
| .DZ5 | Uncommon Files |
| .DZ6 | Uncommon Files |
| .DZ7 | Uncommon Files |
| .DZ8 | Uncommon Files |
| .DZ9 | Uncommon Files |
| .DZA | Uncommon Files |
| .DZB | Uncommon Files |
| .DZC | Uncommon Files |
| .DZD | Uncommon Files |
| .DZE | Uncommon Files |
| .DZF | Uncommon Files |
| .DZG | Uncommon Files |
| .DZH | Uncommon Files |
| .DZI | Uncommon Files |
| .DZJ | Uncommon Files |
| .DZK | Uncommon Files |
| .DZL | Uncommon Files |
| .DZM | Uncommon Files |
| .DZN | Uncommon Files |
| .DZO | Uncommon Files |
| .DZP | Video Files |
| .DZQ | Uncommon Files |
| .DZR | Uncommon Files |
| .DZS | Uncommon Files |
| .DZT | Uncommon Files |
| .DZU | Uncommon Files |
| .DZV | Uncommon Files |
| .DZW | Uncommon Files |
| .DZX | Uncommon Files |
| .DZY | Uncommon Files |
| .DZZ | Uncommon Files |
| .D_ | Uncommon Files |
