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# Extensão de arquivo Editor
0 .H - C/C++ Header Format N/A
1 .H++ - Unusual C++ Header N/A
2 .H-263 - H.263 Encoded Video N/A
3 .H.263 - H.263 Encoded Video N/A
4 .H0 - Magix Music Studio Format MAGIX
5 .H00 - ARM EPROM HEX ARM Holdings plc
6 .H01 - ARM EPROM HEX ARM Holdings plc
7 .H04 - GE FIX32 Historical General Electric Company
8 .H08 - GE FIX32 Historical General Electric Company
9 .H10 - At Home Canada 2010 Tax Return Format H&R Block
10 .H11 - At Home 2011 Tax Return Format H&R Block Canada
11 .H12 - At Home 2012 Tax Return Format H&R Block Canada
12 .H1C - Windows Vista File Related To Assistance Platform (AP) Help Microsoft Corporation
13 .H1D - Microsoft Windows N/A
14 .H1F - Microsoft Windows Assistance Platform Client Help Microsoft Corporation
15 .H1H - Microsoft Windows Merged Hierarchy Help Microsoft Corporation
16 .H1K - Keyword Index - Microsoft Windows Assistance Platform Client Help Related Microsoft Corporation
17 .H1Q - Microsoft Help Merged Query Index Format Microsoft
18 .H1S - Microsoft Windows Assistance Platform Client Help Format Microsoft
19 .H1T - Microsoft Windows Assistance Platform Client Help Related Microsoft Corporation
20 .H1V - Task Metadata - Microsoft Windows Assistance Platform Client Help Related Microsoft Corporation
21 .H1W - Microsoft Windows Keyword Index Microsoft Corporation
22 .H260 - Video Recording N/A
23 .H261 - H.261 Video Format N/A
24 .H263 - H.263 Video Format N/A
25 .H264 - H.264 Video Format N/A
26 .H2DRUMKIT - Hydrogen Drum Kit Hydrogen Team
27 .H2O - Battle Realms Game Data Format Liquid Entertainment
28 .H2P - Zebra Preset Urs Heckmann
29 .H2SONG - Hydrogen Drum Notes Hydrogen Team
30 .H2W - H2testw N/A
31 .H3B - POD HD300 Bundle Line 6, Inc.
32 .H3C - Heroes Of Might And Magic 3 Campaign The 3DO Company
33 .H3D - Altair HyperView 3D Model Altair Engineering, Inc.
34 .H3E - POD HD300 Preset Line 6, Inc.
35 .H3M - Heroes Of Might And Magic 3 Map Format New World Computing
36 .H4B - POD HD400 Bundle Line 6, Inc.
37 .H4E - POD HD400 Preset Line 6, Inc.
38 .H4M - Resident Evil Zero Game Capcom Co., Ltd.
39 .H4R - Heroes Of Might And Magic 4 Data Format New World Computing
40 .H5 - Hierarchical Data Format Version 5 N/A
41 .H5E - POD HD500 Preset Line 6, Inc.
42 .H5S - POD HD500 Set Line 6, Inc.
43 .H86 - CP/M ARM Holdings plc
44 .HA - HA Compressed Archive N/A
45 .HAK - BioWare Aurora Engine BioWare
46 .HAL - HansaWorld Enterprise HAL Code Format HansaWorld
47 .HAM - Descent 2 Resource Format N/A
48 .HAML - HTML Abstraction Markup Language Sublime HQ Pty Ltd
49 .HANDLEBARS - Handlebars Template N/A
50 .HANG - Apple Mac OS X Terminal Apple, Inc.
51 .HAP - HAP Compressed File Archive Hamarsoft
52 .HAR - E-Sword Harmony Resource Rick Meyers
53 .HARDDISK - Boxer For Mac Harddisk N/A
54 .HARX - E-sword Harmony Rick Meyers
55 .HAS - Haskell Script Format N/A
56 .HASH - EnCase Forensic Drive Image Hash Guidance Software Inc.
57 .HAT - Formula 1 Car Race 2001 Log Hat Sony Corporation
58 .HATHDL - Hentai@Home Download Hentai@Home Team
59 .HAV - Video Recorder Video Haenlein-Software
60 .HAZ - Microsoft Flight Texture Microsoft Studios
61 .HBC - HyperBac Compressed Archive Format Xceleon Technologies
62 .HBC2 - HyperBac Compressed Archive Xceleon Technologies
63 .HBE - HyperBac Compressed/encrypted Archive Xceleon Technologies
64 .HBK - Mathcad Handbook Format Mathsoft
65 .HBM - Hibernate Script Hibernate Project
66 .HBN - Java Hibernate Oracle Corporation
67 .HBR - HaxBall Replay Mario Carbajal
68 .HBX - BinHex Compressed File ASCII Archive N/A
69 .HBZ - StarMoney Macro Star Finanz GmbH
70 .HCB - HyperOS Compressed Backup HyperOs Systems
71 .HCC - HydroCAD Storage Chamber Definition Format HydroCAD Software Solutions
72 .HCE - HydroCAD Hydrograph Data Format HydroCAD Software Solutions
73 .HCF - Compact Ham Library Zaplots
74 .HCFG - HoDokK Configuration HoDoKu Team
75 .HCG - HClab Chart HCSoft Programación, s.l.,
76 .HCI - HydroCAD IDF Data Format HydroCAD Software Solutions
77 .HCL - HotDocs Library Format HotDocs
78 .HCOM - Sound Tools HCOM Audio N/A
79 .HCP - HydroCAD Project Format HydroCAD Software Solutions
80 .HCR - HydroCAD Stormwater Modeling System Rainfall Definition HydroCad Software Solutions
81 .HCS - NHP ESubmission Builder Submission Package Health Canada
82 .HCT - Symantec LiveUpdate Symantec Corporation
83 .HCU - HydroCAD Hydrograph Units Definitions Format HydroCAD Software Solutions
84 .HCW - HTML Help Workshop Conversion Wizard Macro Microsoft Corporation
85 .HCX - Harvard ChartXL Chart Format Harvard Graphics
86 .HD2 - Poser Hand Pose Format Smith Micro
87 .HDA - HotDocs Document File Format HotDocs
88 .HDB - HansaWorld Enterprise Database Format HansaWorld
89 .HDC - HD Tach Benchmark Simpli Software Inc.
90 .HDD - Parallels Workstation Virtual Hard Disk Format Parallels
91 .HDE - NAUPA File Encryptor Encrypted Wagers & Associates, Inc.
92 .HDF - Hierarchical Data Format N/A
93 .HDF4 - HDF4 The HDF Group
94 .HDF5 - HDF5 The HDF Group
95 .HDI - Autodesk AutoCAD Heidi Device Interface N/A
96 .HDK - HotDocs Registration Format HotDocs
97 .HDL - Procomm Plus Alternate Download Format Listing Format HotDocs
98 .HDM - HDML Handheld Device Markup Language Format Openwave
99 .HDML - Handheld Device Markup Language Openwave
100 .HDMOV - Apple QuickTime HD Movie Format Apple
101 .HDMP - Microsoft Windows Heap Dump Format Microsoft
102 .HDP - HD Photo Microsoft
103 .HDPMX - HotDocs Publisher Mapping XML Format HotDocs
104 .HDR - High Dynamic Range Image Format HDRsoft
105 .HDRP - HDRtist Graphic Format Ohanaware
106 .HDRU - Apollo HRDU Image Format N/A
107 .HDS - Windows Digital Right Management Format Microsoft
108 .HDT - Photoshop HDR Toning Preset Format Adobe Systems
109 .HDUMX - HotDocs User Mapping XML Format HotDocs
110 .HDV - High Definition Video Format JVC
111 .HDX - Delphi MultiHelp Index Format Autodesk
112 .HDZ - Poser Compressed Hand Pose Format Smith Micro
113 .HE4 - HDF4 The HDF Group
114 .HEA - Fifa 2001 Data Electronic Arts, Inc.
115 .HEARTSSAVE-MS - Hearts Saved Game Format Microsoft
116 .HEB - DEcomp 3D Scene Data N/A
117 .HED - Hi-Eddi Image N/A
118 .HEF - HEAT Export FrontRange Solutions USA Inc.
119 .HELP - Unix Help Format Apple
120 .HELPCFG - Adobe AIR Help Configuration Adobe Systems Incorporated
121 .HELPINDEX - Mariner Software Narrator Index Mariner Software, Inc.
122 .HEP - Novell NetWare Help Librarian Data Novell, Inc.
123 .HES - TurboGrafx-16 Audio N/A
124 .HET - WinSQL HTML Export Template SYNAMETIRCS
125 .HEU - Adobe Flash Player Cache Metadata Adobe Systems Incorporated
126 .HEX - Hex Dump Format N/A
127 .HF - HF Image Format N/A
128 .HFA - Erdas Imagine Hierarchical ERDAS, Inc.
129 .HFB - Hell Fighter Battle David Peterson
130 .HFC - H-JTAG Configuration H-JTAG team
131 .HFD - HotDocs Form Document Format HotDocs
132 .HFMX - HFM.NET Configuration N/A
133 .HFO - Pinnacle Hollywood FX Object Avid Technology, Inc.
134 .HFP - XnView Filter N/A
135 .HFS - MacImage Macintosh HFS Disk Image Format N/A
136 .HFSS - Ansoft HFSS Project Ansoft
137 .HFT - HaftiX Cross-stitch Pattern HotDocs
138 .HFV - Virtual Mac Hard Drive Format Apple
139 .HFX - Harvard Graphics F/X Harvard Graphics
140 .HG - HP Graphics Language N/A
141 .HG1 - Hellgate: London Saved Game Electronic Arts, Inc.
142 .HGD - IP Camera Video N/A
143 .HGH - Star Wars: Tie Fighter High Score LucasArts Entertainment Company, LLC
144 .HGL - Hewlett-Packard Graphics Language Format Hewlett-Packard
145 .HGP - HighGrow Plant Slick Software
146 .HGS - Harvard Graphics Graphic Harvard Graphics
147 .HGT - Shuttle Radar Topography Mission Data SRTM Format N/A
148 .HGZ - ArcMap GIS Esri
149 .HH - C++ Header Format N/A
150 .HHC - HTML Help Table Of Contents Format Microsoft
151 .HHH - Power C Precompiled Header Format Power C
152 .HHK - Microsoft HTML Help Index Format Microsoft
153 .HHL - Visual Basic Microsoft Corporation
154 .HHP - Microsoft HTML Help Project Microsoft Corporation
155 .HHPACK - HTC Home Extension Stealth
156 .HHS - Microsoft HTML Help Workshop Sample Microsoft Corporation
157 .HHSL - Hockey High Score List Format Evert Etienne
158 .HHT - Microsoft Help And Support Center HHT Format Microsoft
159 .HI - High Scores Format The MAME Team
160 .HIC - HicEst Script HicEst Instant Prototype Computing
161 .HID - Sony Ericsson Configuration Archive Format Sony Ericsson
162 .HID2 - KeepSafe Encrypted N/A
163 .HIF - Quicken Online Format Intuit
164 .HIL - Deluxe Ski Jump 3 Hill Mediamond
165 .HIM - ROSE Online Highmaps Gravity Interactive Inc.
166 .HIN - HyperChem HIN Chemical Modeller Input Hypercube, Inc.
167 .HIP - Houdini Project Format Side Effects Software
168 .HIPNC - Houdini Apprentice Format Side Effects Software
169 .HIPS - Bitmap N/A
170 .HIR - Hires C64 Image Format N/A
171 .HIS - FindinSite Database Definition Format PHDCC
172 .HISAWSAVE - Nancy Drew Saved Game Her Interactive, Inc.
173 .HISF - DL_POLY History CSE
174 .HISTORY - Eclipse IDE Local History The Eclipse Foundation
175 .HISU - DL_POLY History CSE
176 .HIT - The Sims Sound Format N/A
177 .HIV - Windows NT Registry Hive Microsoft
178 .HJT - TreePad Editor Format Freebyte.com
179 .HKC - HTML-KIT Auto Complete Short Cut HTML-Kit.com
180 .HKDB - Apple ITunes Database Format Apple
181 .HKE - Painkiller Overdose Game Mindware Studios, s.r.o.
182 .HKF - Microsoft.NET Framework Microsoft Corporation
183 .HKI - WinHKI Compressed Archive Format N/A
184 .HKI1 - WinHKI HKI1 Compressed Archive Format N/A
185 .HKI2 - WinHKI HKI2 Compressed Archive Format N/A
186 .HKI3 - WinHKI HKI3 Compressed Archive Format N/A
187 .HKL - RMCProfile Range Of Values N/A
188 .HKM - Havok Movie Format Havok
189 .HKS - HTML-KIT Plugin HTML-Kit.com
190 .HKX - Skyrim Animation Bethesda Softworks LLC
191 .HL - HeuristicLab Storage Format HeuristicLab
192 .HL$ - MS-DOS Compressed Help N/A
193 .HL1 - Half-Life Saved Game Valve Corporation
194 .HL6 - Horizontal.Log 6 WellSight Systems Inc.
195 .HLA - High Level Assembler Source N/A
196 .HLB - VAX VMS Help Library Format N/A
197 .HLC - ESO MIDAS Help Command European Southern Observatory
198 .HLD - Structural Desktop Hold Structural Desktop, Inc.
199 .HLF - FAR Manager Help Eugene Rosha
200 .HLK - Warhammer 40k Dawn Of War 2 Animation Relic Entertainment Inc.
201 .HLN - MicroStation Hidden Line Bentley Systems, Incorporated
202 .HLOG - VMware Workstation Log VMware, Inc.
203 .HLP - Help Format Microsoft
204 .HLQ - ESO MIDAS Help Qualifier European Southern Observatory
205 .HLSL - High Level Shader Language Source Code Format Microsoft
206 .HLT - Watcher Database Trades List N/A
207 .HLW - Win32/AMalum.EDHZ N/A
208 .HLX - ATI Radeon Video Driver Format N/A
209 .HLZ - MultiEdit Packed Help Multi Edit Software Incorporated.
210 .HM - Windows Help Context IDs Microsoft Corporation
211 .HM0 - MAGIX Audio Cleaning Lab Waveform MAGIX AG
212 .HM2 - Help & Manual Help File Project EC Software GmbH
213 .HM3 - Help & Manual Help File Project EC Software
214 .HMA - Sony MiniDisc Audio Format Sony
215 .HMAP - Microsoft SharePoint Server 2007 Temporary N/A
216 .HMAP.DIR - Microsoft SharePoint Server 2007 Temporary N/A
217 .HMAX - Custom 3ds Max Format N/A
218 .HMD - SWAT Relative Humidity Input Grassland, Soil & Water Research Laboratory
219 .HME - Smartphone Theme Format Microsoft
220 .HMF - HOOPS Metafile Tech Soft 3D
221 .HMGD - Microsoft Grammar N/A
222 .HMHD - Word Hyphenation Format Microsoft Corporation
223 .HMI - HMI Audio Format Human Machine Interfaces
224 .HMK - Hallmark Card Studio Card Format Hallmark
225 .HML - HostMonitor TestList Format KS-Soft
226 .HMMER - SAM HMMER Format Richard Hughey - Kevin Karplus - Anders Krogh
227 .HMMR - SAM HMMR Richard Hughey - Kevin Karplus - Anders Krogh
228 .HMP - Worms Height Map Format Team17 Software
229 .HMS - HostMonitor Script Format KS-Soft
230 .HMSD - Microsoft Dictionary N/A
231 .HMSKIN - Help & Manual Help File Skin EC Software GmbH
232 .HMT - HighMAT Format Microsoft and Panasonic
233 .HMX - Help & Manual Help File Project EC Software
234 .HMXP - Help & Manual Help File Uncompressed XML Project EC Software
235 .HMXZ - Help & Manual Help File Compressed XML Project EC Software
236 .HMY - Hemingway Content Management System Plugin Altuit, Inc.
237 .HM~ - Help&Manual Help Project Backup EC Software GmbH
238 .HNC - NoteCenter Note N/A
239 .HND - HNSKY Deep Sky Database Han Kleijn
240 .HNF - HNF Split & Merge Channels N/A
241 .HNR - Teleatlas N/A
242 .HOB - Star Trek Birth Of The Federation Ship Graphic Data Microprose
243 .HOD - Homeworld Object Data Relic Entertainment Inc.
244 .HOG - Descent Hog Format N/A
245 .HOGG - Cryptic Studios Data Cryptic Studios, Inc.
246 .HOL - Microsoft Outlook Holiday Calendar Format Microsoft
247 .HONMOD - Heroes Of Newerth Mod Format S2 Games, LLC.
248 .HOP - Hippon Protected Hippon SAS
249 .HOT - The Sims Sound Format Electronic Arts
250 .HOTSPOT - Homeworld Cursor Informaiton Relic Entertainment Inc.
251 .HP - HP Graphics Language Plotter N/A
252 .HP1 - HP Graphics Language Plotter N/A
253 .HP2 - HP Graphics Language Plotter N/A
254 .HP? - LoseThos C+ Header Terry A. Davis
255 .HPC - System Dynamic Library Microsoft Corporation
256 .HPD - HotDocs PDF Document Format HotDocs
257 .HPF - High Performance FORTRAN Format N/A
258 .HPFS - OS/2 High Performance File System IBM
259 .HPG - HP Graphics Language Plotter Format Hewlett-Packard
260 .HPGL - Hewlett Packard Graphics Language Plot Format Hewlett-Packard
261 .HPGL2 - Hewlett Packard Graphics Language 2 N/A
262 .HPI - Hemera Photo Image Format Hemera
263 .HPJ - Microsoft Win Help Project Format Microsoft
264 .HPK - Haemimont Games Game Package Format PopTop Software
265 .HPL - Hewlett-Packard LaserJet Vector Image Format Hewlett-Packard
266 .HPLG - Apple ITunes Device Plugin Apple, Inc.
267 .HPM - Procomm Plus Alternate Main Menu Symantec Corporation
268 .HPO - HippoDraw Canvas Document Paul F. Kunz
269 .HPP - C++ Header Format N/A
270 .HPR - RoboHelp Settings Adobe Systems Incorporated
271 .HPRJ - Heroglyph Project proDAD Inc.
272 .HPROF - Java Heap Dump N/A
273 .HPS - HPL2 Script Frictional Games
274 .HPT - HotDocs PDF Template Format HotDocs
275 .HPX - MetaVR 3D Model MetaVR, Inc.
276 .HPZ - Helpinator Project Major Mind Software
277 .HQF - QuiltCAD Stitch Cabin Logic LLC.
278 .HQR - Little Big Adventure HQR Electronic Arts, Inc.
279 .HQX - Macintosh BinHex Archive N/A
280 .HR - TRS 80 Image File Format Tandy
281 .HR2 - Poser Hair Format Smith Micro
282 .HRC - Autodesk Softimage Model 3D Autodesk, Inc.
283 .HRD - MSC Patran Device-dependent Hardcopy MSC Software Corporation
284 .HRF - Hitachi CADCore Raster Format Hitachi
285 .HRL - Erlang Source Or Script Format Ericsson
286 .HRM - Polar ProTrainer Pulse Rate Save Polar Electro
287 .HRS - Holder Reporting System Wagers & Associates, Inc.
288 .HRU - HRU Image Format N/A
289 .HRX - Herolab EasyWin32 Herolab GmbH
290 .HRZ - Poser Compressed Hair Format Smith Micro
291 .HS - Literate Haskell Source Code Or Script Format N/A
292 .HS2 - HyperRESEARCH Postering Monochrome Image Format ResearchWare
293 .HSB - HALion Sampler Format Steinberg Media Technologies
294 .HSC - Aspen HYSYS Simulation Format Aspen Technology
295 .HSE - Adobe Dreamweaver Snippet Adobe Systems Incorporated
296 .HSF - HOOPS Stream Format Tech Soft 3D
297 .HSH - Windows Catalog Search Index Format Microsoft
298 .HSI - Handmade Software Bitmap Image Handmade Software
299 .HSK - Nimbus 7 SAMS Data Format Huskey Truss & Building Supply
300 .HSM - The Sims Sound Electronic Arts, Inc.
301 .HSP - HSC Composer Packed By Number Six N/A
302 .HSQL - HtmSQL Html N/A
303 .HSR - RezeptAssist Import Or Export HS-Soft
304 .HSS - Adobe Dreamweaver Snippet Adobe Systems Incorporated
305 .HST - Yahooo Messenger History Format N/A
306 .HSTX - Altair HyperStudy Package Altair Engineering, Inc.
307 .HSV - Diablo: Hellfire Singleplayer Character Data Blizzard Entertainment, Inc.
308 .HSX - Health & Safety Xpert Project HBXL Construction Software
309 .HT - HyperTerminal Session Format Hilgraeve
310 .HT1 - Google Desktop Application Data Google Inc.
311 .HT4 - HTML Version 4 N/A
312 .HTA - HTML Program Format Microsoft
313 .HTACCESS - Apache Access Configuration Format N/A
314 .HTB - Audacity Help Format Audacity
315 .HTC - HTML Component Format Microsoft
316 .HTD - Adobe ExtendScript HTML Adobe Systems Incorporated
317 .HTG - HackTheGame Mission Pack Format Chaozz Software
318 .HTGROUP - Apache Server User Group Apache Software Foundation
319 .HTI - Microsoft Windows WinHelp Related Microsoft Corporation
320 .HTK - Hidden Markov Model Toolkit Speech Recognition N/A
321 .HTM - HTML Hypertext Markup Language Web Page Format N/A
322 .HTML - HTML Hypertext Markup Language Web Page Format N/A
323 .HTML0 - Book Designer E-book Format N/A
324 .HTML5 - HTML5 Hypertext Markup Language Revision 5 Source N/A
325 .HTMLENX - Egis Encrypted HTML Egis Technology Inc.
326 .HTMLS - HyperText Markup Language Document With Server-side Include N/A
327 .HTMLZ - Zipped HTML Format N/A
328 .HTMS - PHP HTML Document The PHP Group
329 .HTN - Micrografx Picture Publisher 8 Print Style Micrografx, Inc.
330 .HTP - Autodesk Slope Template Definition Autodesk, Inc.
331 .HTPASSWD - Apache Access Configuration Format N/A
332 .HTPL - IBM Rational Application Developer WebContent Theme IBM
333 .HTR - Microsoft Windows NT Password Services Script Microsoft Corporation
334 .HTRI - HTRI Xchanger Suite Data Input Heat Transfer Research, Inc.
335 .HTT - Microsoft HyperText Template Format Microsoft
336 .HTW - Windows Microsoft Corporation
337 .HTX - Microsoft FrontPage Database Results Microsoft
338 .HTXT - Hanvon WISEreader E-book Format Hanvon
339 .HTZ4 - HyperMaker Publication Format Bersoft
340 .HTZ5 - HyperMaker Document Format Bersoft
341 .HUD - SmartWare Dictionary SmartWare Corporation
342 .HUH - HydroCAD Unit Hydrograph Definitions Format HydroCAD Software Solutions
343 .HUL - Re-Volt Collision Data Acclaim Games Inc.
344 .HULL - Half-Life Map Collision Hull Valve Corporation
345 .HUN - Personal Paint Hungarian Language User Interface N/A
346 .HUP - Haihaisoft DRM-X Protected Video Haihaisoft
347 .HUS - Husqvarna Embroidery Format Viking
348 .HUV - Husqvarna Viking Designer Graphic Husqvarna Viking
349 .HV - Microsoft Windows Mobile Hive Microsoft Corporation
350 .HVA - Command And Conquer Tiberian Sun Voxel Animation Control Electronic Arts, Inc.
351 .HVC - ASCII Format N/A
352 .HVD - HoverDesk Theme Thibaun Dijan
353 .HVIF - Haiku Vector Icon Format Haiku, Inc.
354 .HVL - Commodore Amiga HivelyTracker Audio Module N/A
355 .HVPL - Apple ITunes Visual Plugin Format Apple
356 .HWD - Hedgewars Game Replay Format Hedgewars Project
357 .HWL - Corel WordPerfect Shared Writing Tools 9.0 Corel Corporation
358 .HWMAP - Hedgewars Drawn Map Format Hedgewars Project
359 .HWOF - Microsoft Office For Mac Help Microsoft Corporation
360 .HWP - Hangul Document Format Hancom
361 .HWS - Hedgewars Saved Game Format Hedgewars Project
362 .HWT - Huawei Ascend P6 Emotion UI Theme N/A
363 .HWX - RSNetWorx Registration Rockwell Automation, Inc.
364 .HX - Haxe Source Code Haxe.org
365 .HXA - Microsoft Help Attribute Definition Format Microsoft
366 .HXC - Microsoft Visual Studio Collection Definition Format Microsoft
367 .HXD - Microsoft Help Validator Microsoft Corporation
368 .HXE - Microsoft Help 2 Sample Definition Format Microsoft
369 .HXF - Microsoft Help Include Microsoft Corporation
370 .HXH - Microsoft Help Merged Hierarchy Microsoft Corporation
371 .HXI - Microsoft Help Compiled Storage Microsoft Corporation
372 .HXK - Microsoft Help 2 Keyword Index Format Microsoft
373 .HXL - Microsoft Help Registered Namespace List Microsoft Corporation
374 .HXM - Descent 2 Resource Modification Format N/A
375 .HXML - HaXe Make Haxe.org
376 .HXN - Hexagon Model Format DAZ Productions
377 .HXP - HaXe Project Haxe.org
378 .HXPROJ - FlashDevelop Flash Project FlashDevelop.org
379 .HXR - Microsoft Help Data Microsoft Corporation
380 .HXS - Microsoft Help Compiled Storage Format Microsoft
381 .HXT - Help Table Of Contents Format Microsoft
382 .HXV - Microsoft Help Virtual Topic Definition Microsoft Corporation
383 .HXW - Microsoft Help Attribute Definition Microsoft Corporation
384 .HXX - C++ Header Format N/A
385 .HY1 - Ventura Publisher Hyphenation Algorithm Corel Corporation
386 .HY2 - Ventura Publisher Hyphenation Algorithms Corel Corporation
387 .HYC - Corel WordPerfect Data Corel Corporation
388 .HYD - Corel WordPerfect Hyphenation Dictionary Corel Corporation
389 .HYDRA - Hydra Image Filter Program Format Adobe Systems
390 .HYM - Hymarc Scandata Scanner 3D Image Binary N/A
391 .HYP - Adobe Acrobat Dictionary Format Adobe Systems
392 .HYPE - Hype Web Project Format Tumult
393 .HYQ - CARE-S InfoWorks Hydrograph SINTEF
394 .HYV - HY-TEK Sports Team Manager Meet Event Format HY-TEK Sports Software
395 .HZ - Chinese (Hanzi) Text N/A
396 .HZD - SeisWorks Halliburton
397 .H_ - Microsoft Winhelp Compressed Microsoft Corporation
398 .H__ - C++ Header N/A