| .hipnc |
Houdini Apprentice File |
| .hs |
Haskell Script |
| .hbc |
HyperBac Compressed Archive |
| .hdd |
Parallels Desktop Hard Disk File |
| .hyv |
Team Manager Meet Event File |
| .hal |
HansaWorld Application Language File |
| .hdb |
HansaWorld Database File |
| .hwp |
Hangul (Korean) Text Document |
| .hgt |
SRTM Elevation Data File |
| .hsb |
HALion Sound Bank File |
| .ht |
HyperTerminal Session File |
| .help |
Mac OS X Help Book |
| .hfv |
HFS Disk Image |
| .hsf |
HOOPS Stream Format File |
| .hds |
Parallels Desktop Hard Disk File |
| .hdi |
Hard Disk Image |
| .h1s |
Windows Assistance Platform Help File |
| .hdrp |
HDRtist Pro Document |
| .hbe |
HyperBac Compressed and Encrypted Archive |
| .ham |
Descent 2 Resource File |
| .hbc2 |
HyperBac Compressed File Archive |
| .hma |
Sony HI-MD Audio File |
| .h0 |
Movie Edit Pro Waveform Information File |
| .hkdb |
Apple iTunes Library File |