Find data formats and their file extensions starting with H.
With literally thousands of data file formats employed by Windows and Window-based apps, keeping track of all the file extensions employed by your software applications and programs can be quite a challenge. Fortunately, Webopedia’s Complete List of Data File Formats and File Extensions makes it quick and easy to sift through thousands of file extensions and data file formats to find exactly what you need. You can peruse the full list or search for data formats and file extensions based on the letter they start with (H) from the table below.
| Number Symbol A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Full List |
Data File Formats that Begin with the Letter ‘H’ |
|
| .h | Header file |
| .h! | On-line help file (Flambeaux Help! Display Engine) |
| .h++ | Header file (C++) |
| .h– | Header file (Sphinx C–) |
| .ha | Compressed file archive created by HA (ha098.zip) |
| .ham | Image file |
| .hap | Compressed file archive created by HAP (hap303re.zip) |
| .hbk | Handbook (Mathcad) |
| .hbs | eBerry Transparent Animation – compressed bitmap files |
| .hcr | IBM HCD/HCM Production Configuration |
| .hdf | Hierarchical Data File graphics (SDSC Image Tools) |
| Help file (Help Development Kit) | |
| .hdl | Alternate download file listing (Procomm Plus) |
| .hdp | HD Photo File |
| Magix Music/Video | |
| .hdr | InstallShield Setup header |
| Pc-File+ Database header | |
| Datafile (Egret) | |
| Message header text (Procomm Plus – 1st Reader) | |
| .hds | Windows Digital Right Management file |
| .hdw | Vector graphics (Harvard Draw) |
| .hdx | Help index (AutoCAD – Zortech C++) |
| .hed | HighEdit document |
| .hex | Hex dump |
| .hfi | Hp Font Info file (GEM) |
| .hfx | HotFax file |
| US Robotics Rapid Comm Voice Data file | |
| .hgl | Hp Graphics Language graphics |
| .hh | C++ header file |
| .hhc | Table of Contents file |
| TurboTax Contents file | |
| .hhh | Precompiled header file (Power C) |
| .hhk | Help Workshop Index file |
| .hhp | Help information for remote users (Procomm Plus) |
| .hht | MS Messenger file |
| .hin | Molecule (HyperChem) |
| .his | Insight II Dynamics Trajectory History file |
| Spy-CD CD Search Database file | |
| .hlb | Help library (VAX) |
| .hlp | Help information |
| .hlz | Multi-Edit Packed Help file |
| .hm3 | Help & Manual 3 project Format |
| .hmm | Alternate Mail Read option menu (Procomm Plus) |
| .hmt | HighMAT (High Performance Media Access Technologies) media file |
| .hnc | CNC program files Heidenhain (?) dialog |
| .hof | Hall Of Fame (game scores) |
| .hp8 | Ascii text HP Roman8 character set (NewWave Write) |
| .hpf | Hp LaserJet fonts (PageMaker) |
| .hpg | HPGL plotter file vector graphics (AutoCad – Harvard Graphics) |
| .hpi | Font information file (GEM) |
| .hpj | Help project (MS Help Compiler) |
| .hpk | Compressed file archive created by HPACK (hpack75.zip) |
| .hpm | Emm text (HP NewWave) |
| Alternate Main menu for privileged users (Procomm Plus) | |
| .hpp | C++ header file (Zortech C++) |
| .hqx | Compressed Macintosh ASCII archive created by BINHEX (xbin23.zip) |
| .hrf | Graphics (Hitachi Raster Format) |
| .hrm | Alternate Main menu for limited/normal users (Procomm Plus) |
| .hs2 | Monochrome image (Postering) |
| .hsi | Handmade Software Inc. graphics – almost JPEG (Image Alchemy) |
| .hst | Yahoo Messenger History file |
| History file (Procomm Plus) | |
| .hta | Hypertext application |
| .htc | HTML Component (mechanism for implementing Dynamic HTML in script) |
| .htf | WebBase File |
| .hti | WebBase File |
| .htm | HyperText Markup Language document |
| .html | HyperText Markup Language document |
| .htr | Motion Analysis Software Skeletal file |
| .htt | Hypertext template |
| .htx | Hypertext file |
| .hus | Husqvarna Designer I Embroidery Machine Format |
| .hwd | Presentation (Hollywood) |
| .hxm | Alternate Protocol Selection menu for all users (Procomm Plus) |
| .hxx | C++ header file |
| .hy1 | Hyphenation algorithms (Ventura Publisher) |
| .hy2 | Hyphenation algorithms (Ventura Publisher) |
| .hyc | Data (WordPerfect) |
| .hyd | Hyphenation dictionary (WordPerfect for Win) |
| .hyp | Compressed file archive created by HYPER (hyper25.zip) |
| .hyt | VFSMOD Project output file |
Recommended Reading: An Introduction to Data File Formats and Their File Extensions
| Number Symbol A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Full List |
This article was originally published on June 24, 2010
