| Extension | File Description |
| .HW7 | Uncommon Files |
| .HW8 | Uncommon Files |
| .HW9 | Uncommon Files |
| .HWA | Uncommon Files |
| .HWB | Uncommon Files |
| .HWC | Uncommon Files |
| .HWCFG | Uncommon Files |
| .HWE | Uncommon Files |
| .HWF | Uncommon Files |
| .HWG | Uncommon Files |
| .HWH | Uncommon Files |
| .HWI | Uncommon Files |
| .HWJ | Uncommon Files |
| .HWK | Uncommon Files |
| .HWL | Uncommon Files |
| .HWM | Uncommon Files |
| .HWN | Uncommon Files |
| .HWO | Uncommon Files |
| .HWPROJ | Uncommon Files |
| .HWQ | Uncommon Files |
| .HWR | Uncommon Files |
| .HWS | Uncommon Files |
| .HWT | Uncommon Files |
| .HWU | Uncommon Files |
| .HWV | Uncommon Files |
| .HWW | Uncommon Files |
| .HWX | Uncommon Files |
| .HWY | Uncommon Files |
| .HWZ | Uncommon Files |
| .HX | Uncommon Files |
| .HX0 | Uncommon Files |
| .HX1 | Uncommon Files |
| .HX2 | Uncommon Files |
| .HX3 | Uncommon Files |
| .HX4 | Uncommon Files |
| .HX5 | Uncommon Files |
| .HX6 | Uncommon Files |
| .HX7 | Uncommon Files |
| .HX8 | Uncommon Files |
| .HX9 | Uncommon Files |
| .HXA | Uncommon Files |
| .HXB | Uncommon Files |
| .HXCONV | Uncommon Files |
| .HXD | Uncommon Files |
| .HXE | Uncommon Files |
| .HXF | Uncommon Files |
| .HXG | Uncommon Files |
| .HXH | Uncommon Files |
| .HXI | Uncommon Files |
| .HXJ | Uncommon Files |
| .HXL | Uncommon Files |
| .HXML | Uncommon Files |
| .HXN | Uncommon Files |
| .HXO | Uncommon Files |
| .HXP | Uncommon Files |
| .HXQ | Uncommon Files |
| .HXR | Uncommon Files |
| .HXU | Uncommon Files |
| .HXV | Uncommon Files |
| .HXW | Uncommon Files |
| .HXY | Uncommon Files |
| .HXZ | Uncommon Files |
| .HX_ | Uncommon Files |
| .HY0 | Uncommon Files |
| .HY1 | Uncommon Files |
| .HY2 | Uncommon Files |
| .HY3 | Uncommon Files |
| .HY4 | Uncommon Files |
| .HY5 | Uncommon Files |
| .HY6 | Uncommon Files |
| .HY7 | Uncommon Files |
| .HY8 | Uncommon Files |
| .HY9 | Uncommon Files |
| .HYA | Uncommon Files |
| .HYB | Uncommon Files |
| Extension | File Description |
| .HYC | Uncommon Files |
| .HYD | Uncommon Files |
| .HYE | Uncommon Files |
| .HYF | Uncommon Files |
| .HYG | Uncommon Files |
| .HYH | Uncommon Files |
| .HYI | Uncommon Files |
| .HYJ | Uncommon Files |
| .HYK | Uncommon Files |
| .HYL | Uncommon Files |
| .HYM | Uncommon Files |
| .HYN | Uncommon Files |
| .HYO | Uncommon Files |
| .HYPERCARD | Uncommon Files |
| .HYPERXCMD | Uncommon Files |
| .HYPHENATOR | Uncommon Files |
| .HYQ | Uncommon Files |
| .HYR | Uncommon Files |
| .HYS | Uncommon Files |
| .HYT | Uncommon Files |
| .HYU | Uncommon Files |
| .HYV | Uncommon Files |
| .HYW | Uncommon Files |
| .HYX | Uncommon Files |
| .HYY | Uncommon Files |
| .HYZ | Uncommon Files |
| .HZ0 | Uncommon Files |
| .HZ1 | Uncommon Files |
| .HZ2 | Uncommon Files |
| .HZ3 | Uncommon Files |
| .HZ4 | Uncommon Files |
| .HZ5 | Uncommon Files |
| .HZ6 | Uncommon Files |
| .HZ7 | Uncommon Files |
| .HZ8 | Uncommon Files |
| .HZ9 | Uncommon Files |
| .HZA | Uncommon Files |
| .HZB | Uncommon Files |
| .HZC | Uncommon Files |
| .HZD | Uncommon Files |
| .HZE | Uncommon Files |
| .HZF | Uncommon Files |
| .HZG | Uncommon Files |
| .HZH | Uncommon Files |
| .HZI | Uncommon Files |
| .HZJ | Uncommon Files |
| .HZK | Uncommon Files |
| .HZL | Uncommon Files |
| .HZM | Uncommon Files |
| .HZN | Uncommon Files |
| .HZO | Uncommon Files |
| .hzp | Uncommon Files |
| .HZQ | Uncommon Files |
| .HZR | Uncommon Files |
| .HZS | Uncommon Files |
| .HZT | Uncommon Files |
| .HZU | Uncommon Files |
| .HZV | Uncommon Files |
| .HZW | Uncommon Files |
| .HZX | Uncommon Files |
| .HZY | Uncommon Files |
| .HZZ | Uncommon Files |
| .H_ | Uncommon Files |
| .H__ | Uncommon Files |
| .I-E | Uncommon Files |
| .I0 | Uncommon Files |
| .I01 | Uncommon Files |
| .I02 | Uncommon Files |
| .I03 | Uncommon Files |
| .I04 | Uncommon Files |
| .I05 | Uncommon Files |
| .I06 | Uncommon Files |
| .I07 | Uncommon Files |
| .I08 | Uncommon Files |
| .I09 | Uncommon Files |
