| .h |
C/C++/Objective-C Header File |
| .h10 |
At Home Canada 2010 Tax Return |
| .h11 |
At Home Canada 2011 Tax Return |
| .h12 |
At Home Canada 2012 Tax Return |
| .h1q |
Microsoft Help Merged Query Index File |
| .h3m |
Heroes 3 Map File |
| .h4r |
Heroes of Might and Magic IV Data File |
| .ha |
HA Compressed Archive |
| .ham |
Descent 2 Behavior and Resource File |
| .has |
Haskell Script |
| .hbc |
HyperBac Compressed Archive |
| .hbc2 |
HyperBac Compressed File Archive |
| .hbe |
HyperBac Compressed and Encrypted Archive |
| .hcx |
ChartXL Chart |
| .hd2 |
Poser Hand Pose File |
| .hda |
HotDocs Auto-Assemble File |
| .hdd |
Parallels Desktop Hard Disk |
| .hdf |
Hierarchical Data Format File |
| .hdi |
HotDocs Auto-Install File |
| .hdl |
HotDocs Library File |
| .hdm |
HDML File |
| .hdml |
Handheld Device Markup Language File |
| .hdmp |
Windows Heap Dump |
| .hdp |
HD Photo File |
| .hdr |
High Dynamic Range Image File |
| .hdz |
Compressed Poser Hand Pose File |
| .hex |
Hexadecimal Source File |
| .hex |
BinHex Encoded File |
| .hf |
HF Image |
| .hgl |
HP Graphics Language File |
| .hh |
C++ Header File |
| .hhc |
HTML Help Table of Contents |
| .hhh |
Power C Precompiled Header File |
| .hhk |
HTML Help Index |
| .hht |
Help and Support Center HHT File |
| .hid |
Sony Ericsson Remote Configuration |
| .hif |
Quicken Online File |
| .hip |
Houdini Project File |
| .hipnc |
Houdini Apprentice File |
| .his |
FindinSite Database Definition File |
| .hit |
The Sims Sound File |
| .hki |
WinHKI Archive |
| .hki1 |
WinHKI HKI1 Archive |
| .hki2 |
WinHKI HKI2 Archive |
| .hki3 |
WinHKI HKI3 Archive |
| .hkm |
Havok Movie File |
| .hl |
HeuristicLab Storage File |
| .hlb |
VMS / VAX Help Library |
| .hlp |
Windows Help File |
| .hlx |
ATI Radeon Video Driver Support File |
| .hm3 |
Help & Manual 3 Project |
| .hmk |
Hallmark Card Studio File |
| .hml |
HostMonitor TestList File |
| .hms |
HostMonitor Script File |
| .hmx |
Help & Manual 4 Project |
| .hog |
Descent or Descent 2 Mission File |
| .hot |
The Sims Sound File |
| .hpf |
High Performance Fortran File |
| .hpf |
HP9100A Program File |
| .hpgl |
HP Graphics Language Plotter File |
| .hpi |
Hemera Photo Objects Image File |
| .hpj |
Help Project File |
| .hpk |
HPack Compressed Archive |
| .hpl |
HP-GL Plotter File |
| .hpp |
C++ Header File |
| .hqx |
BinHex 4.0 Encoded File |
| .hr |
TRS-80 Image |
| .hr2 |
Poser Hair File |
| .hrf |
Hitachi Raster Format File |
| .hrz |
Compressed Poser Hair File |
| .hs |
Java HelpSet File |
| .hs |
Motorola Flash Flex File |
| .hs |
Haskell Script |
| .hs2 |
HyperRESEARCH 2 Study File |
| .hsk |
Huskey Truss & Building Supply Import File |
| .hst |
History File |
| .hta |
HTML Application |
| .htaccess |
Apache HTACCESS File |
| .htm |
Hypertext Markup Language File |
| .html |
Hypertext Markup Language File |
| .html0 |
Book Designer File |
| .htt |
Hypertext Template |
| .htx |
HTML Extension File |
| .htz4 |
HyperMaker 4 Publication |
| .htz5 |
HyperMaker 5 Publication |
| .hus |
Husqvarna Embroidery File |
| .hwp |
Hangul Text Document |
| .hxm |
Descent 2 Resource Modification |
| .hxs |
Help 2 Compiled Help File |
| .hyp |
Hyper Compressed Archive |
| .hz |
Chinese (Hanzi) Text |
