File types with extensions that start with the letter H

File Extention	File Type	Description
.h	Developer	C/C++/Objective-C Header File
.h0	Audio	Movie Edit Pro Waveform Information File
.h10	Data	At Home Canada 2010 Tax Return
.h11	Data	At Home Canada 2011 Tax Return
.h12	Data	At Home Canada 2012 Tax Return
.h1q	Misc	Microsoft Help Merged Query Index File
.h1s	System	Windows Assistance Platform Help File
.h264	Video	H.264 Encoded Video File
.h2o	Game	Battle Realms Game Data File
.h3m	Game	Heroes 3 Map File
.h4r	Game	Heroes of Might and Magic IV Data File
.ha	Compressed	HA Compressed Archive
.hal	Developer	HansaWorld Application Language File
.hal	Data	HotDocs Answer Library
.ham	Executable	HAM Executable File
.ham	Game	Descent 2 Resource File
.handlebars	Developer	Handlebars Template
.has	Developer	Haskell Script
.hbc	Compressed	HyperBac Compressed Archive
.hbc2	Compressed	HyperBac Compressed File Archive
.hbe	Compressed	HyperBac Compressed and Encrypted Archive
.hbk	Text	Mathcad Handbook File
.hbs	Developer	Handlebars Template
.hbx	Encoded	BinHex Encoded File
.hcc	Data	HydroCAD Prefab Chamber Data File
.hce	Data	HydroCAD Hydrograph Data File
.hcf	Developer	Compact Ham Library
.hci	Data	HydroCAD IDF Data File
.hcl	Data	HotDocs Clause Archive
.hcp	CAD	HydroCAD Project File
.hcr	Data	HydroCAD Rainfall Curve Data File
.hcr	Page Layout	Half-Fold Card File
.hcu	Data	Hydrograph Units Definitons File
.hcx	Data	ChartXL Chart
.hd2	3D Image	Poser Hand Pose File
.hda	Data	HotDocs Auto-Assemble File
.hdb	Database	HansaWorld Database File
.hdd	Disk Image	Parallels Desktop Hard Disk File
.hdf	Data	Hierarchical Data Format File
.hdi	Data	HotDocs Auto-Install File
.hdi	Disk Image	Hard Disk Image
.hdk	Misc	HotDocs Registration File
.hdl	Data	HotDocs Library File
.hdm	Web	HDML File
.hdml	Web	Handheld Device Markup Language File
.hdmov	Video	QuickTime HD Movie File
.hdmp	System	Windows Heap Dump
.hdp	Raster Image	HD Photo File
.hdp	Audio	MAGIX Hard Disk Project Audio File
.hdpmx	Data	HotDocs Publisher Mapping XML File
.hdr	GIS	ESRI BIL Header File
.hdr	Raster Image	High Dynamic Range Image File
.hdrp	Raster Image	HDRtist Pro Document
.hds	Data	Microsoft PlayReady Data File
.hds	Disk Image	Parallels Desktop Hard Disk File
.hdt	Settings	Photoshop HDR Toning Preset File
.hdumx	Data	HotDocs User Mapping XML File
.hdv	Video	High Definition Video Format
.hdx	Misc	Delphi MultiHelp Index File
.hdz	3D Image	Compressed Poser Hand Pose File
.heartssave-ms	Game	Microsoft Hearts Save File
.help	System	Mac OS X Help Book
.helpindex	Data	Help Index Document
.hex	Misc	Hexadecimal Source File
.hex	Encoded	BinHex Encoded File
.hf	Raster Image	HF Image
.hfd	Page Layout	HotDocs Form Document
.hfs	Disk Image	HFS Disk Image File
.hft	Page Layout	HotDocs Form Template
.hfv	Disk Image	HFS Disk Image
.hgl	Vector Image	HP Graphics Language File
.hgt	GIS	SRTM Elevation Data File
.hh	Developer	C++ Header File
.hhc	System	HTML Help Table of Contents
.hhh	Developer	Power C Precompiled Header File
.hhk	System	HTML Help Index
.hhsl	Game	Hockey High Score List File
.hht	Text	Help and Support Center HHT File
.hi	Game	MacMAME High Scores File
.hid	Settings	Sony Ericsson Remote Settings File
.hid	Encoded	KeepSafe File
.hid2	Encoded	KeepSafe File
.hif	Data	Quicken Online File
.hip	3D Image	Houdini Project File
.hipnc	3D Image	Houdini Apprentice File
.his	Database	FindinSite Database Definition File
.hit	Game	The Sims Sound File
.hiv	System	Windows Registry Hive File
.hjt	Data	TreePad 6 Database File
.hkdb	Data	Apple iTunes Library File
.hki	Compressed	WinHKI Archive
.hki1	Compressed	WinHKI HKI1 Archive
.hki2	Compressed	WinHKI HKI2 Archive
.hki3	Compressed	WinHKI HKI3 Archive
.hkm	Video	Havok Movie File
.hl	Data	HeuristicLab Storage File
.hlb	Misc	VMS / VAX Help Library
.hlp	System	Windows Help File
.hlsl	3D Image	High Level Shader Language File
.hlx	Misc	ATI Radeon Video Driver Support File
.hm3	Data	Help & Manual 3 Project
.hma	Audio	Sony HI-MD Audio File
.hme	Settings	Windows Mobile Theme File
.hmi	Audio	HMI Audio File
.hmk	Page Layout	Hallmark Card Studio File
.hml	Data	HostMonitor TestList File
.hmp	Game	Worms Height Map File
.hms	Executable	HostMonitor Script File
.hmt	Data	HighMAT File
.hmx	Misc	Help & Manual 4 Project
.hmxp	Data	Help & Manual XML Project
.hmxz	Data	Help & Manual Compressed Project
.hog	Game	Descent Mission File
.hol	Data	Outlook Holidays File
.honmod	Game	HON Modification Manager File
.hot	Game	The Sims Sound File
.hpd	Page Layout	HotDocs PDF Document
.hpf	Executable	HP9100A Program File
.hpf	Developer	High Performance Fortran File
.hpg	Vector Image	HPGL Plot File
.hpgl	Vector Image	HP Graphics Language Plotter File
.hpi	Raster Image	Hemera Photo Objects Image File
.hpj	System	Help Project File
.hpk	Game	Tropico Game Archive
.hpk	Compressed	HPack Compressed Archive
.hpl	Vector Image	HP-GL Plotter File
.hpp	Developer	C++ Header File
.hpp	Data	Haluha Pearls File
.hps	Misc	HP Digital Sender Metadata File
.hps	Game	HPL2 Script
.hpt	Page Layout	HotDocs PDF Template
.hqx	Encoded	BinHex 4.0 Encoded File
.hr	Raster Image	TRS-80 Image
.hr2	3D Image	Poser Hair File
.hrf	Raster Image	Hitachi Raster Format File
.hrl	Developer	Erlang Header File
.hrz	3D Image	Compressed Poser Hair File
.hs	Game	LaserTank High Scores File
.hs	Misc	Motorola Flash Flex File
.hs	Developer	Haskell Script
.hs	Text	Java HelpSet File
.hs2	Data	HyperRESEARCH 2 Study File
.hsb	Audio	HALion Sound Bank File
.hsc	CAD	Aspen HYSYS Simulation File
.hsf	CAD	HOOPS Stream Format File
.hsh	System	Windows Catalog Search Index File
.hsk	Data	Huskey Truss & Building Supply Import File
.hst	Data	History File
.ht	Settings	HyperTerminal Session File
.hta	Executable	HTML Application
.htaccess	Web	Apache HTACCESS File
.htb	Data	Audacity Help File
.htc	Web	HTML Component File
.htg	Data	HackTheGame Mission Pack
.htm	Web	Hypertext Markup Language File
.html	Web	Hypertext Markup Language File
.html0	eBook	Book Designer File
.htmlz	eBook	Zipped HTML eBook
.htpasswd	Encoded	Apache HTACCESS File
.htt	System	Hypertext Template File
.htx	Web	HTML Extension File
.htxt	eBook	Hanvon eBook File
.htz4	eBook	HyperMaker 4 Publication
.htz5	eBook	HyperMaker 5 Publication
.huh	Data	HydroCAD Unit Hydrograph Definitions File
.hum	Game	OMSI Human Configuration File
.hus	CAD	Husqvarna Embroidery File
.hvc	Data	HotDocs Variable Collection File
.hvpl	Plugin	iTunes Visual Plug-in File
.hwd	Game	Hedgewars Demo File
.hwmap	Game	Hedgewars Drawn Map File
.hwp	Text	Hanword Document
.hwp	Text	Hangul (Korean) Text Document
.hws	Game	Hedgewars Saved Game
.hxa	Misc	Microsoft Help 2 Attribute Definition File
.hxc	Misc	Microsoft Help 2 Collection Definition File
.hxe	Misc	Microsoft Help 2 Sample Definition File
.hxk	Misc	Microsoft Help 2 Index File
.hxm	Game	Descent 2 Resource Modification
.hxn	3D Image	Hexagon Model File
.hxs	Web	Help 2 Compiled Help File
.hxt	Misc	Microsoft Help 2 Table of Contents File
.hxx	Developer	C++ Source Code Header File
.hydra	Developer	Hydra Image Filter Program File
.hyp	Compressed	HYPER Compressed Archive
.hyp	Misc	Dictionary Information File
.hype	Web	Hype Document
.hyv	Data	Team Manager Meet Event File
.hz	Text	Chinese (Hanzi) Text