: H

.h
C/C++/Objective-C Header File N/A
.h0
Movie Edit Pro Waveform Information File MAGIX
.h10
At Home Canada 2010 Tax Return H&R Block
.h11
At Home Canada 2011 Tax Return H&R Block Canada
.h12
At Home Canada 2012 Tax Return H&R Block Canada
.h1q
Microsoft Help Merged Query Index File Microsoft
.h1s
Windows Assistance Platform Help File Microsoft
.h264
H.264 Encoded Video File N/A
.h2o
Battle Realms Game Data File Liquid Entertainment
.h3m
Heroes 3 Map File New World Computing
.h4r
Heroes of Might and Magic IV Data File New World Computing
.ha
HA Compressed Archive N/A
.hal
HansaWorld Application Language File HansaWorld
.ham
Descent 2 Resource File N/A
.has
Haskell Script N/A
.hbc
HyperBac Compressed Archive Xceleon Technologies
.hbc2
HyperBac Compressed File Archive Xceleon Technologies
.hbe
HyperBac Compressed and Encrypted Archive Xceleon Technologies
.hbk
Mathcad Handbook File Mathsoft
.hbx
BinHex Encoded File N/A
.hcc
HydroCAD Prefab Chamber Data File HydroCAD Software Solutions
.hce
HydroCAD Hydrograph Data File HydroCAD Software Solutions
.hcf
Compact Ham Library Zaplots
.hci
HydroCAD IDF Data File HydroCAD Software Solutions
.hcl
HotDocs Clause Archive HotDocs
.hcp
HydroCAD Project File HydroCAD Software Solutions
.hcr
HydroCAD Rainfall Curve Data File HydroCad Software Solutions
.hcu
Hydrograph Units Definitons File HydroCAD Software Solutions
.hcx
ChartXL Chart Harvard Graphics
.hd2
Poser Hand Pose File Smith Micro
.hda
HotDocs Auto-Assemble File HotDocs
.hdb
HansaWorld Database File HansaWorld
.hdd
Parallels Desktop Hard Disk File Parallels
.hdf
Hierarchical Data Format File N/A
.hdi
Hard Disk Image N/A
.hdk
HotDocs Registration File HotDocs
.hdl
HotDocs Library File HotDocs
.hdm
HDML File Openwave
.hdml
Handheld Device Markup Language File Openwave
.hdmov
QuickTime HD Movie File Apple
.hdmp
Windows Heap Dump Microsoft
.hdp
HD Photo File Microsoft
.hdpmx
HotDocs Publisher Mapping XML File HotDocs
.hdr
High Dynamic Range Image File HDRsoft
.hdrp
HDRtist Pro Document Ohanaware
.hds
Microsoft PlayReady Data File Microsoft
.hdt
Photoshop HDR Toning Preset File Adobe Systems
.hdumx
HotDocs User Mapping XML File HotDocs
.hdv
High Definition Video Format JVC
.hdx
Delphi MultiHelp Index File Autodesk
.hdz
Compressed Poser Hand Pose File Smith Micro
.heartssave-ms
Microsoft Hearts Save File Microsoft
.help
Mac OS X Help Book Apple
.hex
Hexadecimal Source File N/A
.hf
HF Image N/A
.hfd
HotDocs Form Document HotDocs
.hfs
HFS Disk Image File N/A
.hft
HotDocs Form Template HotDocs
.hfv
HFS Disk Image Apple
.hgl
HP Graphics Language File Hewlett-Packard
.hgt
SRTM Elevation Data File N/A
.hh
C++ Header File N/A
.hhc
HTML Help Table of Contents Microsoft
.hhh
Power C Precompiled Header File Power C
.hhk
HTML Help Index Microsoft
.hhsl
Hockey High Score List File Evert Etienne
.hht
Help and Support Center HHT File Microsoft
.hi
MacMAME High Scores File The MAME Team
.hid
Sony Ericsson Remote Settings File Sony Ericsson
.hif
Quicken Online File Intuit
.hip
Houdini Project File Side Effects Software
.hipnc
Houdini Apprentice File Side Effects Software
.his
FindinSite Database Definition File PHDCC
.hit
The Sims Sound File N/A
.hiv
Windows Registry Hive File Microsoft
.hjt
TreePad 6 Database File Freebyte.com
.hkdb
Apple iTunes Library File Apple
.hki
WinHKI Archive N/A
.hki1
WinHKI HKI1 Archive N/A
.hki2
WinHKI HKI2 Archive N/A
.hki3
WinHKI HKI3 Archive N/A
.hkm
Havok Movie File Havok
.hl
HeuristicLab Storage File HeuristicLab
.hlb
VMS / VAX Help Library N/A
.hlp
Windows Help File Microsoft
.hlsl
High Level Shader Language File Microsoft
.hlx
ATI Radeon Video Driver Support File N/A
.hm3
Help & Manual 3 Project EC Software
.hma
Sony HI-MD Audio File Sony
.hme
Windows Mobile Theme File Microsoft
.hmi
HMI Audio File Human Machine Interfaces
.hmk
Hallmark Card Studio File Hallmark
.hml
HostMonitor TestList File KS-Soft
.hmp
Worms Height Map File Team17 Software
.hms
HostMonitor Script File KS-Soft
.hmt
HighMAT File Microsoft and Panasonic
.hmx
Help & Manual 4 Project EC Software
.hmxp
Help & Manual XML Project EC Software
.hmxz
Help & Manual Compressed Project EC Software
.hog
Descent Mission File N/A
.hol
Outlook Holidays File Microsoft
.honmod
HON Modification Manager File HON Modification Manager
.hot
The Sims Sound File Electronic Arts
.hpd
HotDocs PDF Document HotDocs
.hpf
High Performance Fortran File N/A
.hpg
HPGL Plot File Hewlett-Packard
.hpgl
HP Graphics Language Plotter File Hewlett-Packard
.hpi
Hemera Photo Objects Image File Hemera
.hpj
Help Project File Microsoft
.hpk
Tropico Game Archive PopTop Software
.hpl
HP-GL Plotter File Hewlett-Packard
.hpp
C++ Header File N/A
.hps
HPL2 Script Frictional Games
.hpt
HotDocs PDF Template HotDocs
.hqx
BinHex 4.0 Encoded File N/A
.hr
TRS-80 Image Tandy
.hr2
Poser Hair File Smith Micro
.hrf
Hitachi Raster Format File Hitachi
.hrl
Erlang Header File Ericsson
.hrz
Compressed Poser Hair File Smith Micro
.hs
Haskell Script N/A
.hs2
HyperRESEARCH 2 Study File ResearchWare
.hsb
HALion Sound Bank File Steinberg Media Technologies
.hsc
Aspen HYSYS Simulation File Aspen Technology
.hsf
HOOPS Stream Format File Tech Soft 3D
.hsh
Windows Catalog Search Index File Microsoft
.hsk
Huskey Truss & Building Supply Import File Huskey Truss & Building Supply
.hst
History File N/A
.ht
HyperTerminal Session File Hilgraeve
.hta
HTML Application Microsoft
.htaccess
Apache HTACCESS File N/A
.htb
Audacity Help File Audacity
.htc
HTML Component File Microsoft
.htg
HackTheGame Mission Pack Chaozz Software
.htm
Hypertext Markup Language File N/A
.html
Hypertext Markup Language File N/A
.html0
Book Designer File N/A
.htmlz
Zipped HTML eBook N/A
.htpasswd
Apache HTACCESS File N/A
.htt
Hypertext Template File Microsoft
.htx
HTML Extension File Microsoft
.htxt
Hanvon eBook File Hanvon
.htz4
HyperMaker 4 Publication Bersoft
.htz5
HyperMaker 5 Publication Bersoft
.huh
HydroCAD Unit Hydrograph Definitions File HydroCAD Software Solutions
.hus
Husqvarna Embroidery File Viking
.hvc
HotDocs Variable Collection File HotDocs
.hvpl
iTunes Visual Plug-in File Apple
.hwd
Hedgewars Demo File Hedgewars Project
.hwmap
Hedgewars Drawn Map File Hedgewars Project
.hwp
Hanword Document Hancom
.hws
Hedgewars Saved Game Hedgewars Project
.hxa
Microsoft Help 2 Attribute Definition File Microsoft
.hxc
Microsoft Help 2 Collection Definition File Microsoft
.hxe
Microsoft Help 2 Sample Definition File Microsoft
.hxk
Microsoft Help 2 Index File Microsoft
.hxm
Descent 2 Resource Modification N/A
.hxn
Hexagon Model File DAZ Productions
.hxs
Help 2 Compiled Help File Microsoft
.hxt
Microsoft Help 2 Table of Contents File Microsoft
.hxx
C++ Source Code Header File N/A
.hydra
Hydra Image Filter Program File Adobe Systems
.hyp
Dictionary Information File Adobe Systems
.hype
Hype Document Tumult
.hyv
Team Manager Meet Event File HY-TEK Sports Software
.hz
Chinese (Hanzi) Text N/A