| gzr | GunZ Replay |
| h2o | Battle Realms Game Data |
| h3c | Heroes of Might and Magic III Campaign Data |
| h3m | Heroes of Might and Magic 3 Map Data |
| h4m | Resident Evil Zero Game Data |
| h4r | Heroes of Might and Magic IV Data |
| h5c | Heroes of Might and Magic V Campaign Data |
| h5m | Heroes of Might and Magic V Map Data |
| h5p | Heroes of Might and Magic V Game Data |
| hag | Orion Burger Game Data |
| hba | ThreadSpace: Hyperbol Data |
| hbr | HaxBall Replay Data |
| hbr2 | HaxBall Replay Data |
| hby | Hornby Virtual Railway Data |
| hca | Pro Evolution Soccer 2014 Sound |
| he | Pajama Sam 4 Game Archive |
| he0 | Humongous Entertainment Game Archive |
| he1 | Humongous Entertainment Game Archive |
| he2 | Humongous Entertainment Game Archive |
| he3 | Humongous Entertainment Game Archive |
| he4 | Humongous Entertainment Game Archive |
| hel | Hellbender Saved Game |
| hes | Hudson Entertainment Sound |
| hfb | Hell Fighter Battle Data |
| hgd | Highway Pursuit Game Data |
| hgh | Star Wars: Tie Fighter High Score Data |
| hgp | HighGrow Game Data |
| hhi | The Sims 4 Game Data |
| hit | The Sims Sound File |
| hke | Painkiller Overdose Game Data |
| hkx | Elder Scrolls V: Skyrim Animation Data |
| hlk | Warhammer 40000: Dawn of War 2 Animation |
| hmd | Highway Pursuit Game Data |
| hmp | Worms Height Map |
| hnm | Cryo HNM Movie Soundtrack |