File formats starting with a letter H

File formats starting with a letter H

.h C/C++ Header Format
.h++ Unusual C++ Header
.h-263 H.263 Encoded Video
.h.263 H.263 Encoded Video
.h0 Magix Music Studio Format
.h00 ARM EPROM HEX
.h01 ARM EPROM HEX
.h04 GE FIX32 Historical
.h08 GE FIX32 Historical
.h10 At Home Canada 2010 Tax Return Format
.h11 At Home 2011 Tax Return Format
.h12 At Home 2012 Tax Return Format
.h1c Windows Vista File Related To Assistance Platform (AP) Help
.h1d Microsoft Windows
.h1f Microsoft Windows Assistance Platform Client Help
.h1h Microsoft Windows Merged Hierarchy Help
.h1k Keyword Index - Microsoft Windows Assistance Platform Client Help Related
.h1q Microsoft Help Merged Query Index Format
.h1s Microsoft Windows Assistance Platform Client Help Format
.h1t Microsoft Windows Assistance Platform Client Help Related
.h1v Task Metadata - Microsoft Windows Assistance Platform Client Help Related
.h1w Microsoft Windows Keyword Index
.h260 Video Recording
.h261 H.261 Video Format
.h263 H.263 Video Format
.h264 H.264 Video Format
.h2drumkit Hydrogen Drum Kit
.h2o Battle Realms Game Data Format
.h2p Zebra Preset
.h2song Hydrogen Drum Notes
.h2w H2testw
.h3b POD HD300 Bundle
.h3c Heroes Of Might And Magic 3 Campaign
.h3d Altair HyperView 3D Model
.h3e POD HD300 Preset
.h3m Heroes Of Might And Magic 3 Map Format
.h4b POD HD400 Bundle
.h4e POD HD400 Preset
.h4m Resident Evil Zero Game
.h4r Heroes Of Might And Magic 4 Data Format
.h5 Hierarchical Data Format Version 5
.h5e POD HD500 Preset
.h5s POD HD500 Set
.h86 CP/M
.ha HA Compressed Archive
.hak BioWare Aurora Engine
.hal HansaWorld Enterprise HAL Code Format
.ham Descent 2 Resource Format
.haml HTML Abstraction Markup Language
.handlebars Handlebars Template
.hang Apple Mac OS X Terminal
.hap HAP Compressed File Archive
.har E-Sword Harmony Resource
.harddisk Boxer For Mac Harddisk
.harx E-sword Harmony
.has Haskell Script Format
.hash EnCase Forensic Drive Image Hash
.hat Formula 1 Car Race 2001 Log Hat
.hathdl [email protected] Download
.hav Video Recorder Video
.haz Microsoft Flight Texture
.hbc HyperBac Compressed Archive Format
.hbc2 HyperBac Compressed Archive
.hbe HyperBac Compressed/encrypted Archive
.hbk Mathcad Handbook Format
.hbm Hibernate Script
.hbn Java Hibernate
.hbr HaxBall Replay
.hbx BinHex Compressed File ASCII Archive
.hbz StarMoney Macro
.hcb HyperOS Compressed Backup
.hcc HydroCAD Storage Chamber Definition Format
.hce HydroCAD Hydrograph Data Format
.hcf Compact Ham Library
.hcfg HoDokK Configuration
.hcg HClab Chart
.hci HydroCAD IDF Data Format
.hcl HotDocs Library Format
.hcom Sound Tools HCOM Audio
.hcp HydroCAD Project Format
.hcr HydroCAD Stormwater Modeling System Rainfall Definition
.hcs NHP ESubmission Builder Submission Package
.hct Symantec LiveUpdate
.hcu HydroCAD Hydrograph Units Definitions Format
.hcw HTML Help Workshop Conversion Wizard Macro
.hcx Harvard ChartXL Chart Format
.hd2 Poser Hand Pose Format
.hda HotDocs Document File Format
.hdb HansaWorld Enterprise Database Format
.hdc HD Tach Benchmark
.hdd Parallels Workstation Virtual Hard Disk Format
.hde NAUPA File Encryptor Encrypted
.hdf Hierarchical Data Format
.hdf4 HDF4
.hdf5 HDF5
.hdi Autodesk AutoCAD Heidi Device Interface
.hdk HotDocs Registration Format
.hdl Procomm Plus Alternate Download Format Listing Format
.hdm HDML Handheld Device Markup Language Format
.hdml Handheld Device Markup Language
.hdmov Apple QuickTime HD Movie Format
.hdmp Microsoft Windows Heap Dump Format
.hdp HD Photo
.hdpmx HotDocs Publisher Mapping XML Format
.hdr High Dynamic Range Image Format
.hdrp HDRtist Graphic Format
.hdru Apollo HRDU Image Format
.hds Windows Digital Right Management Format
.hdt Photoshop HDR Toning Preset Format
.hdumx HotDocs User Mapping XML Format
.hdv High Definition Video Format
.hdx Delphi MultiHelp Index Format
.hdz Poser Compressed Hand Pose Format
.he4 HDF4
.hea Fifa 2001 Data
.heartssave-ms Hearts Saved Game Format
.heb DEcomp 3D Scene Data
.hed Hi-Eddi Image
.hef HEAT Export
.help Unix Help Format
.helpcfg Adobe AIR Help Configuration
.helpindex Mariner Software Narrator Index
.hep Novell NetWare Help Librarian Data
.hes TurboGrafx-16 Audio
.het WinSQL HTML Export Template
.heu Adobe Flash Player Cache Metadata
.hex Hex Dump Format
.hf HF Image Format
.hfa Erdas Imagine Hierarchical
.hfb Hell Fighter Battle
.hfc H-JTAG Configuration
.hfd HotDocs Form Document Format
.hfmx HFM.NET Configuration
.hfo Pinnacle Hollywood FX Object
.hfp XnView Filter
.hfs MacImage Macintosh HFS Disk Image Format
.hfss Ansoft HFSS Project
.hft HaftiX Cross-stitch Pattern
.hfv Virtual Mac Hard Drive Format
.hfx Harvard Graphics F/X
.hg HP Graphics Language
.hg1 Hellgate: London Saved Game
.hgd IP Camera Video
.hgh Star Wars: Tie Fighter High Score
.hgl Hewlett-Packard Graphics Language Format
.hgp HighGrow Plant
.hgs Harvard Graphics Graphic
.hgt Shuttle Radar Topography Mission Data SRTM Format
.hgz ArcMap GIS
.hh C++ Header Format
.hhc HTML Help Table Of Contents Format
.hhh Power C Precompiled Header Format
.hhk Microsoft HTML Help Index Format
.hhl Visual Basic
.hhp Microsoft HTML Help Project
.hhpack HTC Home Extension
.hhs Microsoft HTML Help Workshop Sample
.hhsl Hockey High Score List Format
.hht Microsoft Help And Support Center HHT Format
.hi High Scores Format
.hic HicEst Script
.hid Sony Ericsson Configuration Archive Format
.hid2 KeepSafe Encrypted
.hif Quicken Online Format
.hil Deluxe Ski Jump 3 Hill
.him ROSE Online Highmaps
.hin HyperChem HIN Chemical Modeller Input
.hip Houdini Project Format
.hipnc Houdini Apprentice Format
.hips Bitmap
.hir Hires C64 Image Format
.his FindinSite Database Definition Format
.hisawsave Nancy Drew Saved Game
.hisf DL_POLY History
.history Eclipse IDE Local History
.hisu DL_POLY History
.hit The Sims Sound Format
.hiv Windows NT Registry Hive
.hjt TreePad Editor Format
.hkc HTML-KIT Auto Complete Short Cut
.hkdb Apple ITunes Database Format
.hke Painkiller Overdose Game
.hkf Microsoft.NET Framework
.hki WinHKI Compressed Archive Format
.hki1 WinHKI HKI1 Compressed Archive Format
.hki2 WinHKI HKI2 Compressed Archive Format
.hki3 WinHKI HKI3 Compressed Archive Format
.hkl RMCProfile Range Of Values
.hkm Havok Movie Format
.hks HTML-KIT Plugin
.hkx Skyrim Animation
.hl HeuristicLab Storage Format
.hl$ MS-DOS Compressed Help
.hl1 Half-Life Saved Game
.hl6 Horizontal.Log 6
.hla High Level Assembler Source
.hlb VAX VMS Help Library Format
.hlc ESO MIDAS Help Command
.hld Structural Desktop Hold
.hlf FAR Manager Help
.hlk Warhammer 40k Dawn Of War 2 Animation
.hln MicroStation Hidden Line
.hlog VMware Workstation Log
.hlp Help Format
.hlq ESO MIDAS Help Qualifier
.hlsl High Level Shader Language Source Code Format
.hlt Watcher Database Trades List
.hlw Win32/AMalum.EDHZ
.hlx ATI Radeon Video Driver Format
.hlz MultiEdit Packed Help
.hm Windows Help Context IDs
.hm0 MAGIX Audio Cleaning Lab Waveform
.hm2 Help & Manual Help File Project
.hm3 Help & Manual Help File Project
.hma Sony MiniDisc Audio Format
.hmap Microsoft SharePoint Server 2007 Temporary
.hmap.Dir Microsoft SharePoint Server 2007 Temporary
.hmax Custom 3ds Max Format
.hmd SWAT Relative Humidity Input
.hme Smartphone Theme Format
.hmf HOOPS Metafile
.hmgd Microsoft Grammar
.hmhd Word Hyphenation Format
.hmi HMI Audio Format
.hmk Hallmark Card Studio Card Format
.hml HostMonitor TestList Format
.hmmer SAM HMMER Format
.hmmr SAM HMMR
.hmp Worms Height Map Format
.hms HostMonitor Script Format
.hmsd Microsoft Dictionary
.hmskin Help & Manual Help File Skin
.hmt HighMAT Format
.hmx Help & Manual Help File Project
.hmxp Help & Manual Help File Uncompressed XML Project
.hmxz Help & Manual Help File Compressed XML Project
.hmy Hemingway Content Management System Plugin
.hm~ Help&Manual Help Project Backup
.hnc NoteCenter Note
.hnd HNSKY Deep Sky Database
.hnf HNF Split & Merge Channels
.hnr Teleatlas
.hob Star Trek Birth Of The Federation Ship Graphic Data
.hod Homeworld Object Data
.hog Descent Hog Format
.hogg Cryptic Studios Data
.hol Microsoft Outlook Holiday Calendar Format
.honmod Heroes Of Newerth Mod Format
.hop Hippon Protected
.hot The Sims Sound Format
.hotspot Homeworld Cursor Informaiton
.hp HP Graphics Language Plotter
.hp1 HP Graphics Language Plotter
.hp2 HP Graphics Language Plotter
.hp? LoseThos C+ Header
.hpc System Dynamic Library
.hpd HotDocs PDF Document Format
.hpf High Performance FORTRAN Format
.hpfs OS/2 High Performance File System
.hpg HP Graphics Language Plotter Format
.hpgl Hewlett Packard Graphics Language Plot Format
.hpgl2 Hewlett Packard Graphics Language 2
.hpi Hemera Photo Image Format
.hpj Microsoft Win Help Project Format
.hpk Haemimont Games Game Package Format
.hpl Hewlett-Packard LaserJet Vector Image Format
.hplg Apple ITunes Device Plugin
.hpm Procomm Plus Alternate Main Menu
.hpo HippoDraw Canvas Document
.hpp C++ Header Format
.hpr RoboHelp Settings
.hprj Heroglyph Project
.hprof Java Heap Dump
.hps HPL2 Script
.hpt HotDocs PDF Template Format
.hpx MetaVR 3D Model
.hpz Helpinator Project
.hqf QuiltCAD Stitch
.hqr Little Big Adventure HQR
.hqx Macintosh BinHex Archive
.hr TRS 80 Image File Format
.hr2 Poser Hair Format
.hrc Autodesk Softimage Model 3D
.hrd MSC Patran Device-dependent Hardcopy
.hrf Hitachi CADCore Raster Format
.hrl Erlang Source Or Script Format
.hrm Polar ProTrainer Pulse Rate Save
.hrs Holder Reporting System
.hru HRU Image Format
.hrx Herolab EasyWin32
.hrz Poser Compressed Hair Format
.hs Literate Haskell Source Code Or Script Format
.hs2 HyperRESEARCH Postering Monochrome Image Format
.hsb HALion Sampler Format
.hsc Aspen HYSYS Simulation Format
.hse Adobe Dreamweaver Snippet
.hsf HOOPS Stream Format
.hsh Windows Catalog Search Index Format
.hsi Handmade Software Bitmap Image
.hsk Nimbus 7 SAMS Data Format
.hsm The Sims Sound
.hsp HSC Composer Packed By Number Six
.hsql HtmSQL Html
.hsr RezeptAssist Import Or Export
.hss Adobe Dreamweaver Snippet
.hst Yahooo Messenger History Format
.hstx Altair HyperStudy Package
.hsv Diablo: Hellfire Singleplayer Character Data
.hsx Health & Safety Xpert Project
.ht HyperTerminal Session Format
.ht1 Google Desktop Application Data
.ht4 HTML Version 4
.hta HTML Program Format
.htaccess Apache Access Configuration Format
.htb Audacity Help Format
.htc HTML Component Format
.htd Adobe ExtendScript HTML
.htg HackTheGame Mission Pack Format
.htgroup Apache Server User Group
.hti Microsoft Windows WinHelp Related
.htk Hidden Markov Model Toolkit Speech Recognition
.htm HTML Hypertext Markup Language Web Page Format
.html HTML Hypertext Markup Language Web Page Format
.html0 Book Designer E-book Format
.html5 HTML5 Hypertext Markup Language Revision 5 Source
.htmlenx Egis Encrypted HTML
.htmls HyperText Markup Language Document With Server-side Include
.htmlz Zipped HTML Format
.htms PHP HTML Document
.htn Micrografx Picture Publisher 8 Print Style
.htp Autodesk Slope Template Definition
.htpasswd Apache Access Configuration Format
.htpl IBM Rational Application Developer WebContent Theme
.htr Microsoft Windows NT Password Services Script
.htri HTRI Xchanger Suite Data Input
.htt Microsoft HyperText Template Format
.htw Windows
.htx Microsoft FrontPage Database Results
.htxt Hanvon WISEreader E-book Format
.htz4 HyperMaker Publication Format
.htz5 HyperMaker Document Format
.hud SmartWare Dictionary
.huh HydroCAD Unit Hydrograph Definitions Format
.hul Re-Volt Collision Data
.hull Half-Life Map Collision Hull
.hun Personal Paint Hungarian Language User Interface
.hup Haihaisoft DRM-X Protected Video
.hus Husqvarna Embroidery Format
.huv Husqvarna Viking Designer Graphic
.hv Microsoft Windows Mobile Hive
.hva Command And Conquer Tiberian Sun Voxel Animation Control
.hvc ASCII Format
.hvd HoverDesk Theme
.HVIF Haiku Vector Icon Format
.hvl Commodore Amiga HivelyTracker Audio Module
.hvpl Apple ITunes Visual Plugin Format
.hwd Hedgewars Game Replay Format
.hwl Corel WordPerfect Shared Writing Tools 9.0
.hwmap Hedgewars Drawn Map Format
.hwof Microsoft Office For Mac Help
.hwp Hangul Document Format
.hws Hedgewars Saved Game Format
.hwt Huawei Ascend P6 Emotion UI Theme
.hwx RSNetWorx Registration
.hx Haxe Source Code
.hxa Microsoft Help Attribute Definition Format
.hxc Microsoft Visual Studio Collection Definition Format
.hxd Microsoft Help Validator
.hxe Microsoft Help 2 Sample Definition Format
.hxf Microsoft Help Include
.hxh Microsoft Help Merged Hierarchy
.hxi Microsoft Help Compiled Storage
.hxk Microsoft Help 2 Keyword Index Format
.hxl Microsoft Help Registered Namespace List
.hxm Descent 2 Resource Modification Format
.hxml HaXe Make
.hxn Hexagon Model Format
.hxp HaXe Project
.hxproj FlashDevelop Flash Project
.hxr Microsoft Help Data
.hxs Microsoft Help Compiled Storage Format
.hxt Help Table Of Contents Format
.hxv Microsoft Help Virtual Topic Definition
.hxw Microsoft Help Attribute Definition
.hxx C++ Header Format
.hy1 Ventura Publisher Hyphenation Algorithm
.hy2 Ventura Publisher Hyphenation Algorithms
.hyc Corel WordPerfect Data
.hyd Corel WordPerfect Hyphenation Dictionary
.hydra Hydra Image Filter Program Format
.hym Hymarc Scandata Scanner 3D Image Binary
.hyp Adobe Acrobat Dictionary Format
.hype Hype Web Project Format
.hyq CARE-S InfoWorks Hydrograph
.hyv HY-TEK Sports Team Manager Meet Event Format
.hz Chinese (Hanzi) Text
.hzd SeisWorks
.h_ Microsoft Winhelp Compressed
.h__ C++ Header
I cannot see the file extensions. What should I do?

File extensions are not normally displayed to users. To change this, go to Control Panel, select Appearance and Personalization and Folder Options. Next, select the View and find the option "Hide extensions for known file types". The option should be deselected (cleared) and confirmed with OK.