The file extension list you requested is shown on this page. It loads as a table so please give it a moment as some of the lists are quite long. These lists contain basic information: the extension, the name of the program it works with, the specific function of the file, and the company that makes the program. Not all extensions have all of the data. Click on the extension of interest to see the detail page for that extension. Total extensions in this particular list: 593.
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| Extension |
Information |
| H |
ADS Include File (Autodesk, Inc.) |
| H |
Header |
| H |
Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| H! |
Flambeaux Tutorial Database |
| H++ |
C++ Header File |
| H-- |
Sphinx C-- Header File |
| H0 |
Magix Musstu File |
| H1 |
Magix Musstu File |
| H1 |
Bruker Aspect NMR Data File |
| H16 |
VC98 Include 16-bit File |
| H19 |
Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| H2O |
Liquid Entertainment H2O Compressed Archive (Liquid Entertainment) |
| H2O |
H2OMAP Water Master Project File (MWH Soft) |
| H2O |
Water Web Program File (Clear Methods, Inc.) |
| H32 |
BC45 32-bit Include File |
| H3M |
Game Map File |
| H3R |
H3R Panasonic Video Camera File (Panasonic Corporation of North America) |
| H4C |
Heroes of Might and Magic Map File |
| H4R |
Possible Container for .MP3 Files |
| H4V |
MPEG-4/AVC, H.264 Video File |
| H5 |
HDF5 Data File (The National Center for Supercomputing Applications) |
| H5B |
SuperHeat 5 Building File (Survey Design Associates Ltd.) |
| H5R |
WV-AS50A CD-R Video File (Panasonic Corporation of North America) |
| H64 |
H.264 Format |
| H6C |
SPP File |
| HA |
Compressed Archive |
| HAB |
HelpMaker Backup file (Vizacc) |
| HAD |
MixlleniumEngine (Haydee) Web Server Module Style File |
| HAF |
HEAT Archive File |
| HAI |
NTgraph Nt09b-2b EMX Library File |
| HAIRY |
Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| HAK |
Neverwinter Nights File |
| HAK |
BioWare Aurora Engine File (BioWare Corp.) |
| HAK |
GameHack File |
| HAL |
Hyper Access Lite OS/2 Data File |
| HAL |
Mortyr Archive |
| HAL |
Enterprise ERP system Source code files (HansaWorld) |
| HALOGEN |
Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| HAM |
Novell NetWare Disk Drivers NPA |
| HAM |
Amiga Hold and Modify Image (Amiga, Inc.) |
| HAMMER |
Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| HAN |
Viewpoint Headline Studio |
| HAND |
Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| HANOI |
Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| HAP |
Hamarsoft HAP 3.x Compressed Archive |
| HAPTAR |
People Putty Haptek Character (Haptek, Inc.) |
| HAR |
e-Sword Harmony Resource (Rick Meyers) |
| HARP |
Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| HARPSAC |
Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| HARPSAC2 |
Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| HARRIER |
Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| HASH |
EnCase Forensic Drive Image Hash (Guidance Software, Inc.) |
| HAT |
Formula 1 Car Race 2001 Log Hat File |
| HAT |
HAT (HOORA Analysis Tool) Model |
| HAV |
Video Recorder Video File |
| HAY |
MixlleniumEngine (Haydee) Web Server Module Content File |
| HAZ |
Train Simulator Hazard File (Microsoft Corporation) |
| HAZ |
Flight Simulator Texture File (Microsoft Corporation) |
| HBB |
HAHTtalk Object File |
| HBC |
Home Buyers Calculator Suite |
| HBC |
HyperBac Compressed File (HyperBac Technologies, Inc.) |
| HBC2 |
HyperBac Compressed File (HyperBac Technologies, Inc.) |
| HBE |
HyperBac Compressed/Encrypted File (HyperBac Technologies, Inc.) |
| HBI |
Handy Backup Backup Index File (Novosoft LLC) |
| HBK |
Hex Workshop Hex Editor Bookmark File (BreakPoint Software, Inc.) |
| HBK |
HandyCafe Database File (Ates Software) |
| HBK |
Auto Backup Backup Archive (Han-soft Software) |
| HBK |
Humanic Software Accounting Data |
| HBK |
MathCAD Handbook (Mathsoft Engineering & Education Inc.) |
| HBM |
Hotline Book Mark (Hotsprings Inc.) |
| HBX |
Starmoney Macro file |
| HBZ |
Starmoney Macro file |
| HC |
High Resolution Cantone TIFF Bitmap |
| HC |
BI/Suite Hypercube |
| HC |
Header File |
| HCA |
Hammer Call Analyzer IP and TDM Network Traffic (Empirix Inc.) |
| HCC |
HydroCAD Stormwater Modeling System Storage Chamber Definition (HydroCAD Software Solutions LLC) |
| HCD |
C Poet Examples Advanced Inc File |
| HCE |
HydroCAD Stormwater Modeling System Hydrograph File (HydroCAD Software Solutions LLC) |
| HCF |
123 Heading Creator Project File (Mark Hendricks and Hunteridge, Inc.) |
| HCG |
HCLab HCSoft Chart (HCSoft Programación, s.l.) |
| HCI |
HydroCAD Stormwater Modeling System IDF File (HydroCAD Software Solutions LLC) |
| HCL |
Handwritten Claims Log |
| HCM |
IBM HCM Configuration |
| HCOM |
Macintosh Sound |
| HCP |
HydroCAD Stormwater Modeling System Project File (HydroCAD Software Solutions LLC) |
| HCR |
HydroCAD Stormwater Modeling System Rainfall Definition (HydroCAD Software Solutions LLC) |
| HCR |
Half-fold Card File |
| HCR |
IBM HCD/HCM Production Configuration |
| HCSP |
Content Server Web Page (Stellent, Inc.) |
| HCSS |
Hyper Color Swatch Set (SodaBush) |
| HCT |
Symantec Anti-Virus Live Update File (Symantec Corporation) |
| HCU |
HydroCAD Stormwater Modeling System Units Definition File (HydroCAD Software Solutions LLC) |
| HCW |
HTML Help Workshop Conversion Wizard Macro (Microsoft Corporation) |
| HCX |
Harvard Graphics Chart XL Chart (Harvard Graphics) |
| HD |
Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| HD2 |
Curious Labs Poser Hand File |
| HDA |
HotDocs Auto-Assemble File (Matthew Bender & Company, a member of the LexisNexis Group) |
| HDAT |
Objective Analysis Package Data File |
| HDAT |
vStaticIP Data File (Phil Doyle a.k.a. MrJolly) |
| HDB |
Nero HD-Backup (Nero AG) |
| HDB |
ACT! History File (Best Software CRM Division) |
| HDC |
HD Tach Benchmark File (Simpli Software Inc.) |
| HDC |
HelloDOC Medical Software File (IMAGINE Éditions) |
| HDD |
Parallels Desktop for Mac Hard Disk Drive Image (Parallels, Inc.) |
| HDD |
HelloDOC Medical Software File (IMAGINE Éditions) |
| HDF |
Procomm Plus Alternate Download File Listing |
| HDF |
Hierarchical Data Format File |
| HDF |
Amiga Hardfile Image |
| HDF |
Help Development Kit Help File |
| HDI |
AutoCAD Heidi Device Interface (Autodesk, Inc.) |
| HDI |
HotDocs Auto-Install File (Matthew Bender & Company, a member of the LexisNexis Group) |
| HDI |
HelloDOC Medical Software File (IMAGINE Éditions) |
| HDK |
MAXI Disk Disk Image (Herne Data Systems Ltd.) |
| HDK |
OS/2 Saved SKF Format File (IBM) |
| HDL |
Procomm Plus Alternate Download File Listing |
| HDL |
Giza Specifier Hidden Line Drawings (20-20 Technologies) |
| HDL |
HotDocs Library File (Matthew Bender & Company, a member of the LexisNexis Group) |
| HDM |
Handheld Markup Language File |
| HDML |
Handheld Markup Language File |
| HDMOV |
QuickTime HD Movie (Apple Inc.) |
| HDMP |
WinXP Trouble Report |
| HDO |
Helpdesk-One File |
| HDP |
HDL Designer Project File (Mentor Graphics Corp.) |
| HDP |
Magix Music/Video |
| HDR |
Procomm Plus Message Header |
| HDR |
PC-File+ Database Header |
| HDR |
Radiance HDR Graphics Data |
| HDR |
Photomatix HDR Image (HDRsoft) |
| HDR |
Photoshop (Adobe Systems Incorporated) |
| HDR |
InstallShield Setup Header (Acresso Software Inc.) |
| HDR |
Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| HDR |
MicroSim PCBoard Hole-Drill Schedule Report |
| HDR |
ArcInfo Binary (Environmental Systems Research Institute, Inc. (ESRI)) |
| HDR |
Egret Data File |
| HDR |
Apollo HDRU |
| HDR |
ArcView Header File (ESRI) |
| HDRU |
Apollo HDRU |
| HDS |
XMap Hierarchical Dataset (Delorme) |
| HDS |
Hierarchical Data System |
| HDV |
Formula 1 Car Race 2001 Season01 Vehicles Arrows File |
| HDW |
Harvard Graphics Draw Vector Graphics (Harvard Graphics) |
| HDX |
Help Index |
| HE5 |
Hierarchical Data Format Release 5 |
| HEA |
Fifa 2001 Data Feart Legal Screeen |
| HEAD |
Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| HEADER |
Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| HEADERS |
Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| HEARTS |
Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| HEARTSSAVE-MS |
Hearts Saved Game (Microsoft Corporation) |
| HEAVYSIGH |
Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| HEB |
DEcomp 3D Scene Data (H|H/G Family of Corporations) |
| HEC |
Grafic Pvquan Quant File |
| HED |
Hi-Eddi |
| HED |
HighEdit Document |
| HED |
ReliaSoft RG |
| HEH |
Scarlett Expert System Compiler Facts File |
| HEIDELB |
Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| HEL |
Hellbender Saved Game (Microsoft Corporation) |
| HELI |
RealFlight Radio Control Airplane Description (Knife Edge Software) |
| HELLFONT |
Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| HELLO |
Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| HELP |
Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| help |
UNIX Help File |
| HELPER |
Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| HELPSCREEN |
Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| HEM |
HexEdit HexEdit (Expert Commercial Software) |
| HEP |
HostExplorer Telnet Session Profile (Hummingbird Ltd.) |
| HEP |
Novell NetWare Help Librarian Data File |
| HER |
Grafic GIF File |
| HERALD |
Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| HERBS1 |
Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| HERBS2 |
Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| HERBS3 |
Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| HERBS4 |
Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| HERBS5 |
Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| HERE |
Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| HERMETICA |
Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| HES |
Hudson Entertainment Sound |
| HESSIAN |
Insight II Hessian File (Accelrys Software Inc.) |
| HESSIANX |
Insight II Hessian File (Accelrys Software Inc.) |
| HEU |
Adobe FlashPlayer Adobe FlashPlayer Cache MetaData File (Adobe Systems Inc) |
| HEX |
Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| HEX |
Magellan GPS Receiver Flash Upgrade File (Thales Navigation, Inc.) |
| HEX |
Smart Touch Analyze and Retrieve Tool (START) Classic Operator Software Update (HySecurity) |
| HEX |
SPLITGRADE Upgrade File (Heiland electronic GmbH) |
| HEX |
HUGO Game File |
| HEX |
Macintosh BinHex 2.0 File |
| HEX |
Hex Dump |
| HEY |
Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| HEY2 |
Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| HEYCOOLMAN |
Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| hf |
UNIX Help File |
| HFA |
ERDAS IMAGINE Hierarchical File Architecture (Leica Geosystems , LLC) |
| HFB |
Ralcgm File |
| HFB |
Hell Fighter Battle File (David Peterson) |
| HFD |
HotDocs Form Document (Matthew Bender & Company, a member of the LexisNexis Group) |
| HFI |
HP Font Info |
| HFO |
Hollywood FX Object File (Pinnacle Systems, Inc.) |
| HFP |
Harry's Filters Filter Preset (Harald Heim (The Plugin Site)) |
| HFS |
Macintosh Disk Image on CD |
| HFT |
HaftiX Cross-Stitch Pattern (GRZELA Grzegorz Zochowski) |
| HFT |
HotDocs Form Template (Matthew Bender & Company, a member of the LexisNexis Group) |
| HFV |
Simulated Macintosh Volumes on PC Hard Drive |
| HFX |
US Robotics Rapid Comm Voice Data File |
| HFX |
HotFax Fax (Smith Micro Software) |
| HFX |
Harvard Graphics F/X File (Harvard Graphics) |
| HFX |
Hollywood FX Special Effects File (Pinnacle Systems, Inc.) |
| HFZ |
Pinnacle Studio HollywoodFX Plug-In Video Editing File (Pinnacle Systems, Inc.) |
| HG1 |
Hellgate: London Saved Game (Flagship Studios, Inc.) |
| HGC |
PC Fold Molecule Secondary Structure |
| HGH |
PDP-10 High Segment of a Two-Segment Program |
| HGH |
Star Wars - Tie Fighter High Score |
| HGL |
HP Graphics Language (Plotter File) |
| HGL |
DN Highlight Groups Definition |
| HGP |
HighGrow (Legal Marijuana Growing Game) Plant File (Slick Software) |
| HGS |
HighGrow Virtual Seed File |
| HGT |
Shuttle Radar Topography Mission Data (SRTM) |
| HH |
C++ Header |
| HH |
HammerHead Drumloop File |
| HH |
Help Topic Map File |
| HHA |
HyperHub Archive (Oracle) |
| HHC |
TurboTax Contents File (Intuit) |
| HHC |
HTML Help Table of Contents (Microsoft Corporation) |
| HHH |
Power C Precompiled Header |
| HHK |
HTML Help Index (Microsoft Corporation) |
| HHL |
Visual Basic File |
| HHP |
HTML Help Workshop Project (Microsoft Corporation) |
| HHS |
HyperHub Subkit (Oracle) |
| HHS |
HTML Help Samples (Microsoft Corporation) |
| HHTML |
Realmedia Adstream HTML File |
| HI |
High Scores |
| HI |
Spy-CD CD Search Index File |
| HI1 |
Spy-CD CD Search Database File |
| HI2 |
Spy-CD CD Search Database File |
| HI4 |
Spy-CD CD Search Database File |
| HIA |
Spy-CD CD Search Database File |
| HIB |
Spy-CD CD Search Database File |
| HIC |
HicEst Script (Georg Petrich, HicEst Instant Prototype Computing) |
| HIC |
Spy-CD CD Search Database File |
| HID |
Sony Ericsson Configuration Archive |
| HIF |
Quicken On-line File (Intuit Inc.) |
| HIG |
High Scores |
| HIGH |
Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| HIH |
Spy-CD CD Search Database File |
| HIHAT |
Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| HIL |
Hi HelpIndex Language File |
| HIM |
Spy-CD CD Search Database File |
| HIN |
Spy-CD CD Search Database File |
| HIN |
HyperChem Molecule File (Hypercube, Inc.) |
| HINT |
Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| HINTS |
Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| HINTS2 |
Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| HIP |
Spy-CD CD Search Database File |
| HIP |
HiP Compressed File |
| HIPS |
Bitmap Graphic |
| HIQ |
Spy-CD CD Search Database File |
| HIR |
Hidden Icon Resource |
| HIR |
Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| HIR |
C64 Hires Bitmap Graphic |
| HIR2 |
Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| HIS |
DN History of Executing/Viewing/Editing |
| HIS |
SOBEK Simulation History (WL | Delft Hydraulics) |
| HIS |
Insight II Dynamics Trajectory History File (Accelrys Software Inc.) |
| HIS |
Spy-CD CD Search Database File |
| HIST |
Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| HISTORY |
Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| HIT |
HitPlayer Audio File |
| HIT |
Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| HIT |
Nonags Dialog Killer Data File |
| HIT |
The Sims Sound File (Electronic Arts (Maxis)) |
| HIV |
W32/SillyFDC-AS |
| HIV |
Windows NT Registry Hive (Microsoft Corporation) |
| HIV |
RegShot Registry Hive File (TiANWEi) |
| HIW |
Spy-CD CD Search Database File |
| HIX |
System SYSUTIL File |
| HIZ |
Spy-CD CD Search Database File |
| HJT |
TreePad Hypertext Database File (Freebyte) |
| HK5 |
ACT! Database File (Best Software CRM Division) |
| HKC |
HTML-KIT Auto Complete Short-cuts |
| HKI |
WinHki Compressed Archive (Hanspeter Imp) |
| HKI1 |
WinHki Compressed File |
| HKI2 |
WinHki Compressed File |
| HKI3 |
WinHki Compressed File |
| HKS |
HTML-Kit Plug-in (HTML-Kit.com) |
| HKT |
egseing RB HK Data |
| HL$ |
Compressed DOS Help File (Microsoft Corporation) |
| HLB |
VAX Help Library |
| HLD |
Structural Desktop Saved Data (Hold File) (Structural Desktop, Inc.) |
| HLF |
FAR Manager Help File (FAR Group) |
| HLF |
BASIC QuickBAS QuickB01 File |
| HLI |
MOJO 620 Logo (TDK) |
| HLL |
Boulderdash Game File |
| HLM |
Winhelp Vbhilfe File |
| HLN |
MicroStation Hidden Line File (Bentley Systems, Incorporated) |
| HLP |
Advisor Help File (Microsoft Corporation) |
| HLP |
Windows Help File (Microsoft Corporation) |
| HLP |
HP-95LX Help File |
| HLP |
Stata Statistical Software Help File (Stata Corporation) |
| hlp |
UNIX Help File |
| HLP |
Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| HLX |
Hollex Cartridge Atari Cartridge Image File |
| HLX |
Help Magician Help Text File (Software Interphase, Inc.) |
| HLX |
Hyperlatex File |
| HLX |
ATI Radeon Video Driver Support File |
| HLX |
Multi-Edit Help File |
| HLX |
Visual C++ Syntax Coloring Instructions (Microsoft Corporation) |
| HLZ |
Multi-Edit Packed Help File |
| HM |
Windows Help Context IDs used by MAKEHM.EXE. |
| HM |
Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| HM2 |
Help & Manual Ver 2 Help File Project (EC Software GmbH) |
| HM3 |
Help & Manual Ver 3 Help File Project (EC Software GmbH) |
| HMA |
ATRAC3plus Encoded Audio File (Sony) |
| HME |
Smartphone Theme File |
| HMF |
HOOPS Metafile (Tech Soft America) |
| HMI |
Descent Human Machine Interfaces MIDI File |
| HMK |
Hallmark Card Studio File (Creative Home) |
| HMM |
Procomm Plus Alternate Mail Read Option Menu |
| HMP |
Descent Human Machine Interfaces MIDI File |
| HMP |
Help Magician Help Project File (Software Interphase, Inc.) |
| HMP |
Technics Sx KN 6000 Keyboard Home Page File |
| HMP |
Frontier: First Encounters Music File |
| HMP |
3D GameStudio Terrain Entity (Conitec Datasystems, Inc) |
| HMR |
GeoTIFF Bitmap File (Bentley Systems, Incorporated) |
| HMS |
Stentura 8000 or Stentura 8000LX Deposition File |
| HMS |
HMS Archiware File |
| HMS |
MS SMS Inventory File |
| HMSKIN |
Help & Manual Ver 5 Help File Skin (EC Software GmbH) |
| HMT |
HighMAT (Microsoft Corporation) |
| HMW |
Homeword for DeskMate |
| HMX |
Help & Manual Ver 4 Help File Project (EC Software GmbH) |
| HMX |
MixlleniumEngine (Haydee) Web Server Module Template File |
| HMXP |
Help & Manual Ver 5 Help File Uncompressed XML Project (EC Software GmbH) |
| HMXZ |
Help & Manual Ver 5 Help File Compressed XML Project (EC Software GmbH) |
| HM~ |
Help&Manual Backup Help File Project |
| HNC |
CNC Program File Heidenhain Dialog |
| HNC |
NoteCenter Note File (Domas Savickas) |
| HND |
HelpNDoc Project File (IBE Software) |
| HND |
Hallo Northern Sky (HNSKY) Deep Sky Database File (Han Kleijn) |
| HNE |
NoteCenter Encrypted Note File (Domas Savickas) |
| HNF |
Humax Receiver Settings |
| HNS |
Hallo Northern Sky (HNSKY) Settings (Han Kleijn) |
| HNV |
TheWord & Bible Companion Hebrew Names Version Bible |
| HO |
Knowledge Explorer Knowledge Representation Hierarchy Outline |
| HO |
Magix Music/Video |
| HO |
Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| HOB |
Star Trek: Birth of the Federation Ship Graphic (Atari) |
| HOC |
High Octane Race Course (Fishstick Games) |
| HOCKEY |
Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| HOD |
Homeworld Hardpoint/Object Data (Sierra Entertainment, Inc.) |
| HOF |
Hall Of Fame |
| HOG |
Lucas Arts Dark Forces WAD File |
| HOG |
Descent Mission File |
| HOL |
Personal Paint Dutch Language User Interface File (Amiga) |
| HOLES |
Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| HOLLY |
Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| HOME |
Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| HOME1 |
Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| HOME2 |
Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| HOOD |
Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| HOP |
Hippon Protected File (Hippon SAS) |
| HOR |
Horoscope |
| HORIZON1 |
Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| HORIZON2 |
Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| HORN |
Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| HORNPIPE |
Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| HOT |
eFax Messenger Fax (j2 Global Communications, Inc.) |
| HOT |
Mosaic Internet Address |
| HOT |
The Sims Sound File (Electronic Arts (Maxis)) |
| HOTFONT |
Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| HOTSPOT |
Homeworld Cursor Informaiton (Sierra Entertainment, Inc.) |
| HOW |
Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| HP |
Thor Database Primary Hash File |
| HP |
HP Graphics Language (Plotter) |
| HP$ |
NTgraph Visual C Wizzard File |
| HP- |
HP Distribution Binary File |
| HP-UX |
HP-UNIX File |
| HP8 |
HP NewWave Write ASCII Roman8 Character Set |
| HP? |
LoseThos C+ Header File (Terry A. Davis) |
| HPD |
Harry Potter Related |
| HPD |
HP Document (Hewlett-Packard Development Company, L.P.) |
| HPD |
HotDocs PDF Document (Matthew Bender & Company, a member of the LexisNexis Group) |
| HPF |
PageMaker HP LaserJet Font (Adobe Systems Incorporated) |
| HPF |
HotLine Partial Download File |
| HPF |
NetHelp2 Project File (Netscape) |
| HPG |
HP Graphics Language (Plotter) |
| HPG |
Hide Photos Encrypted Photo Container (Bolide Software) |
| HPGL |
HP Graphics Language (Plotter) |
| HPH |
Designer Graphics System2 File |
| HPI |
GEM Font Information |
| HPI |
Total Annihilation Saved Game |
| HPI |
Hemera Photo-Object Image (Hemera Technologies Inc.) |
| HPIC |
Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| HPJ |
Visual Basic Help Project |
| HPJ |
Help Project File |
| HPJ |
HP LaserJet Print-to-File |
| HPK |
Compressed Archive |
| HPK |
HPXUpgrade Service Pack Fileset (Haliplex Communication Systems) |
| HPL |
HP Graphics File |
| HPLJ |
Hewlett-Packerd LaserJet Vector Image |
| HPM |
HP NewWave Emm Text |
| HPM |
Procomm Plus Alternative Menu |
| HPM |
Quaestor 1.x High Performance Map |
| HPM |
Procomm Plus Alternate Main Menu for Privileged Users |
| HPP |
Zortech C++ Header |
| HPP |
Printer Control Language Vector Image (Hewlett-Packard) |
| HPP |
C++ Program Header |
| HPP |
C++ Builder 6 Program Header (Borland Software Corporation) |
| HPP |
Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| HPP |
InfoMgr Database File (RESystems, Inc.) |
| HPPCL |
Hewlett-Packard Printer Control Language Vector Image |
| HPR |
ATLAS.ti 4.x Project File (Scientific Software Development) |
| HPR |
RoboHELP Configuration File |
| HPR5 |
ATLAS.ti 5.0 Project File (Scientific Software Development) |
| HPRJ |
Heroglyph Project File (proDAD GmbH) |
| HPRT |
Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| HPS |
HP HPS Digital Sender Information (Hewlett-Packard Development Company, L.P.) |
| HPT |
HotDocs PDF Template (Matthew Bender & Company, a member of the LexisNexis Group) |
| HPUX |
HP-UNIX File |
| HPW |
CompuServe Home Page Wizard |
| HPW |
HP Word Document (Hewlett-Packard Development Company, L.P.) |
| HP_ |
Winhelp Compressed File |
| HP~ |
V-help File |
| HQP |
CP/M Disc Utility Information |
| hqx |
Macintosh BinHex 4 Compressed Archive |
| HR |
TRS 80 Graphic |
| HR2 |
Curious Labs Poser Hair File |
| HR5 |
Heredis 2000 Family History File (BSD CONCEPT) |
| HRC |
SoftImage Model Geometry File |
| HRF |
Hitachi Raster Format Graphic |
| HRH |
C++ and Resources Common Header |
| HRL |
Herolab EasyWin32 |
| HRM |
Netmino File |
| HRM |
Procomm Plus Alternate Main Menu |
| HRP |
Handy Recovery Recovered Partion Information (SoftLogica LLC.) |
| HRP |
AviSys Bird Watcher Database (Jerry Blinn) |
| HRT |
Hornet Packer Module/Song |
| HRU |
HRU Bitmap |
| HRV |
Personal Paint Croatian Language User Interface File (Amiga) |
| HRX |
Herolab EasyWin32 |
| HRZ |
Slow Scan Television (SSTV) |
| HS |
Literate Haskell Source Code File |
| HS |
HSnapshot Screen Snapshot (PCNetWork) |
| HS |
Hugs Source Code |
| HS |
RAZR Flex File (Motorola, Inc.) |
| HS2 |
HyperRESEARCH (ResearchWare, Inc.) |
| HS2 |
Postering Monochrome Image |
| HS3 |
HyperRESEARCH (ResearchWare, Inc.) |
| HSA |
Hagaki Studio Address Book (Microsoft Corporation) |
| HSB |
HandStory Suite eBook File (SJ NAMO, Inc.) |
| HSB |
HALion Sampler File (Steinberg Media Technologies GmbH.) |
| HSBOY |
Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| HSC |
HSC Tracker 2-op FM Music File |
| HSC |
HelpScribble Project Source (JGsoft - Just Great Software) |
| HSC |
HYSYS Simulation (Aspen Technology, Inc.) |
| HSD |
HSD+CP Aero-HSD Configuration File (Thrane & Thrane) |
| HSD |
Hagaki Studio Document (Microsoft Corporation) |
| HSE |
Dreamweaver Snippet |
| HSF |
HOOPS Stream File (Tech Soft America) |
| HSF |
Lizard Protector Web Content Security Protected Web Content (LockLizard Limited) |
| HSH |
IIS NNTP Hash File (Microsoft Corporation) |
| HSI |
Handmade Software Graphic File |
| HSI |
HSI JPEG Bitmap |
| HSK |
Nimbus 7 SAMS Data File |
| HSM |
The Sims Sound File (Electronic Arts (Maxis)) |
| HSM |
Assembly Language Header - University of Waterloo Engineering Convention |
| HSP |
HSC Packed |
| HSP |
HomeSite WWW Page Project |
| HSQ |
CAST Application Mining Suite |
| HSQ |
Data File Associated with Qaz Trojan |
| HSR |
RezeptAssist Import and Export File |
| HSR |
Hero Screen Recorder Screen Capture File (Beijing Herosoft Zongheng Network Technology Co., Ltd) |
| HSS |
Dreamweaver Snippet |
| HSS |
Photoshop Hue/Saturation Information (Adobe Systems Incorporated) |
| HST |
Corel QuickCorrect and Speller History File |
| HST |
WordPerfect (Corel Corporation) |
| HST |
History File |
| HST |
VGA Planets Game File (Tim Wisseman) |
| HST |
Netscape History File |
| HST |
Yahoo! Instant Messenger History |
| HST |
Symantec Anti-Virus Live Update File (Symantec Corporation) |
| HST |
Procomm Plus History File |
| HST |
Image Alchemy Handmade Software Graphics Histogram |
| HST |
Host File |
| HSX |
Health and Safety Xpert Project (HBXL Construction Software) |
| HSZ |
Handyscript Skin (Ventris, Inc.) |
| HT |
Browser Html Template (TechSoft) |
| HT |
BrailleNote Visual Display File (Pulse Data International Ltd.) |
| HT |
HyperTerminal Data File (Hilgraeve Inc.) |
| HT3 |
HTML File |
| HTA |
Hypertext Application |
| HTA |
Hemera Thumbnail Archive (Hemera Technologies Inc.) |
| HTA |
Tonline BSW4 File |
| HTACCESS |
Apache Access Configuration |
| HTB |
HttpBrowser Database File |
| HTC |
HTML Component |
| HTD |
HyperTRANSCRIBE Project File (ResearchWare, Inc.) |
| HTF |
WebBase File |
| HTF |
HTF Sounding File |
| HTF |
Virtual Hypertext Font |
| HTI |
Win Help Related File |
| HTI |
WebBase File |
| HTM |
Hypertext Markup Language |
| HTMENX |
egis Encrypted HTM File (HiTRUST Inc.) |
| HTML |
Hypertext Markup Language |
| HTML |
Mozilla (Netscape) Bookmark File (Mozilla.org) |
| HTMLENX |
egis Encrypted HTML File (HiTRUST Inc.) |
| HTMLS |
Server-side HTML File |
| HTN |
Micrografx Picture Publisher 8 printstyles file |
| HTP |
honestech Video Editor Project File (Honest Technology,) |
| HTR |
People Putty Haptek Character (Haptek, Inc.) |
| HTR |
Motion Analysis Software Skeletal File |
| HTRI |
HTRI Xchanger Suite Data Input File (Heat Transfer Research, Inc.) |
| HTS |
Troj/DelSpy-E |
| HTT |
Hypertext Template File (Microsoft Corporation) |
| HTX |
MS FrontPage Database Results HTML-like query script. |
| HTX |
Extended Hypertext Template |
| HTX |
Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| HTZ |
HTML Editor Archive |
| HU |
Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| HUD |
HUD Maker File (Radio Tree Productions, Inc.) |
| HUF |
Huffman Encoded/Compressed File |
| HUH |
HydroCAD Stormwater Modeling System Unit Hydrograph (HydroCAD Software Solutions LLC) |
| HULL |
Halflife Map Collision Hull File |
| HUN |
Dataview File |
| HUN |
Personal Paint Hungarian Language User Interface File (Amiga) |
| HUS |
Husqvarna Designer Embroidery Machine Format (Husqvarna Viking) |
| HUY |
Eto Dlia Vas |
| HVA |
Tiberian Sun Voxel Animation Control File (TiberiumSun.com) |
| HVD |
CMT Surveyor's Assistant 1.x/2.0x Job |
| HVD |
chosenOS HoverNews Skin File |
| HVD |
HerdView Event Data File |
| HVD |
HoverDesk Theme File (Hover Inc.) |
| HVD |
ISIS Hviews File |
| HVX |
LightWave 3D Hypervoxel (NewTek) |
| HW |
Stanford University EPGY Homework |
| HWCFG |
VersaPro Hardware Configuration File |
| HWD |
Hollywood Presentation File |
| HWL |
Corel Shared Writing Tools 9.0 File |
| HWL |
Hangman Deluxe Word List |
| HWL |
HttpWatch HTTP Watch Log (Simtec Limited) |
| HWM |
Hillwalker/MapWise/Alpiniste/PhotoMaps Own Raster Map Parameters (ISYS Computers) |
| HWP |
Hangul Word Processor File (Haansoft) |
| HWPROJ |
Visual Studio .NET Help Project (Microsoft Corporation) |
| HWR |
Hillwalker/MapWise/Alpiniste/PhotoMaps ISYS Route Card (ISYS Computers) |
| HX |
haXe Source Code (Motion-Twin) |
| HX |
EARS Component File |
| HX |
THOR Database Cross-reference Hash File |
| HX |
SurRender3D Database File |
| HXC |
Help 2 Project/Collection File (Microsoft Corporation) |
| HXCONV |
Huelix Audio Converter Session Information (Huelix Solutions Private Ltd) |
| HXD |
Help 2 Validator File (Microsoft Corporation) |
| HXF |
Help 2 Include File (Microsoft Corporation) |
| HXG |
Help 2 Filter Cache (Microsoft Corporation) |
| HXH |
Help 2 Merged Hierarchy (Microsoft Corporation) |
| HXI |
Help 2 Compiled Help File (Microsoft Corporation) |
| HXK |
Help TOC/Index File |
| HXK |
Help 2 Keyword Index (Microsoft Corporation) |
| HXL |
Help 2 Registered Namespaces List (Microsoft Corporation) |
| HXM |
Descent2 HAM File |
| HXM |
Procomm Plus Alternate Protocol Selection Menu for All Users |
| HXML |
haXe Make File (Motion-Twin) |
| HXS |
Help 2 Compiled Help File (Microsoft Corporation) |
| HXT |
Help TOC/Index File |
| HXT |
Help 2 Table of Contents (Microsoft Corporation) |
| HXV |
Help 2 Virtual Topic Definition (Microsoft Corporation) |
| HXW |
Help 2 Merged Keyword Index (Microsoft Corporation) |
| HXX |
C++ Header |
| HX_ |
C Poet Compressed Disk1 File |
| HY1 |
Ventura Publisher Hyphenation Algorithm |
| HY2 |
Ventura Publisher Hyphenation Algorithm |
| HYC |
WordPerfect Hyphenation File (Corel Corporation) |
| HYD |
WordPerfect for Windows Hyphenation Dictionary (Corel Corporation) |
| HYM |
Scandata 3D Scanner File (Hymarc, Inc.) |
| HYP |
Atari ST Guide Hypertext Document |
| HYP |
Hyper Compressed Archive |
| HYP |
Acrobat Spelling File (Adobe Systems Incorporated) |
| HYP |
Hyphenation File |
| HYPERCARD |
Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| HYPERXCMD |
Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| HYPHENATOR |
Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| HYS |
Smart Touch Analyze and Retrieve Tool (START) New Generation Operator Software Update (HySecurity) |
| HYS |
Globe HySales Client File (Globe Interactive) |
| HYS |
Multi-Parametric Toolbox HYSDEL File (Eidgenössische Technische Hochschule Zürich) |
| HYS |
TriboIndenter Air Indent Electrostatic Force Constant Setting (Hysitron Incorporated) |
| HZ |
Chinese Text |
| HZF |
Neosat Fixes (Neosat USA) |
| HZF |
Home Inspector Pro Client Inspection (Home Inspection Software) |
| HZO |
CrossWorks Object File (Rowley Associates Limited) |
| hzp |
Hazard Manager Document (APPinspect inc.) |
| HZX |
CrossWorks Executable File (Rowley Associates Limited) |
| H_ |
Winhelp Compressed File |
| H__ |
C++ Header Seldom used C++ Header (same as H++ and H) |
If you need to see another list, please select here...
