File extensions beginning with the letter H. Commonly used extensions are listed in bold.

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

All File Extensions | "H" Computer Terms

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