| .hvpl |
iTunes Visual Plug-in File |
| .hyp |
HYPER Compressed Archive |
| .hi |
High Scores File |
| .hwmap |
Hedgewars Drawn Map File |
| .h2o |
Battle Realms Game Data File |
| .h264 |
H.264 Encoded Video File |
| .heartssave-ms |
Microsoft Hearts Save File |
| .htz5 |
HyperMaker 5 eBook |
| .hfs |
HFS Disk Image File |
| .htxt |
Hanvon eBook File |
| .hjt |
TreePad 6 Database File |
| .hpk |
HPack Compressed Archive |
| .hcd |
Samsung Android Firmware File |
| .hwdt |
Thinkfree Office NEO Word Template |
| .hcdt |
Thinkfree Office NEO Cell Template |
| .hsdt |
Thinkfree Office NEO Show Template |
| .heif |
High Efficiency Image Format |
| .hevc |
High Efficiency Video Coding File |
| .ha |
HA Compressed Archive |
| .hrf |
Hitachi Raster Format File |
| .hr |
TRS-80 Image |
| .htz4 |
HyperMaker 4 Publication |
| .hmt |
HighMAT File |
| .hsh |
Windows Catalog Search Index File |