| Erw. | Beschreibung |
| H | Header-File, include-File
|
| H-- | Sphinx C-- header file
|
| H! | Help database (Flambeaux Help/Perfect Database)
|
| H++ | C++ header file
|
| HA | Compressed file archive (HA)
|
| HAL | Data file (Hyper Access Lite OS/2)
|
| HAM | Novell NetWare disk drivers NPA
|
| HAP | Compressed file archive (HAP)
|
| HBK | MathCAD HandBooK
|
| HBM | Hotline BookMark
|
| HC | Header file
|
| HCOM | Sound (Macintosh)
|
| HDB | HD-Bench drive test result file
|
| HDF | Hierarchical Data Format bitmap image (NCSA)
|
| HDF | Help file (Help Development Kit
|
| HDF | Procomm Plus alternate download file listing
|
| HDL | Alternate download file listing
|
| HDR | Pc-File+ database Header
|
| HDR | Egret datafile
|
| HDR | Message HeaDeR (Procomm Plus/1st Reader)
|
| HDS | Hierarchical Data System
|
| HDW | Harvard Draw vector image
|
| HDX | Help index (AutoCAD/Zortech C++)
|
| HED | HighEdit document
|
| HEL | MS Hellbender game data
|
| HEP | Novell NetWare Help Librarian data file
|
| HEX | Macintosh BinHex encoded file archive (ASCII)
|
| HEX | Hexdump
|
| HFI | HP Font Info file (GEM)
|
| HGL | HP Graphics Language vector image
|
| HGL | Highlight groups definitions (DN)
|
| HH | C++ header file
|
| HHC | HTML Help Table Of Contents file, funtional comparable with .cnt
|
| HHH | Power C precompiled header file
|
| HHK | HTML Help index file
|
| HHP | Procomm Plus help information for remote users
|
| HHP | HTML Help project file, funtional comparable with .hpj
|
| HI | HIgh scores (various games)
|
| HIG | HIGh scores (various games)
|
| HIN | HyperChem molecule
|
| HIPS | Bitmap image (HIPS file)
|
| HIS | HIStory of executing/viewing/editing (DN)
|
| HKC | HTML-KIT auto complete short-cuts
|
| HLB | VMS help library
|
| HLP | HeLP file
|
| HLX | MultiEdit help file
|
| HLZ | MultiEdit packed help file
|
| HM | Windows help 'Help Map' file
|
| HMI | MIDI music
|
| HMM | Procomm Plus Alternate Mail Read option menu
|
| HMP | MIDI music
|
| HNC | CNC program files Heidenhain (?) dialog
|
| HOF | 'Hall Of Fame' game data (best scores)
|
| HOG | Descent data file
|
| HP | Primary hash file (THOR database)
|
| HP | Printout file for HP printers/plotters (HP/GL)
|
| HP8 | Text in HP Roman8 character set (NewWave Write)
|
| HPF | PageMaker HP LaserJet fonts
|
| HPG | Vector image (HPGL plotter file) (AutoCad/Harvard Graphics)
|
| HPGL | Vector image (HPGL plotter file) (Hewlett-Packard Graphics Language)
|
| HPI | GEM font information
|
| HPJ | MS Help Compiler Help ProJect file
|
| HPJ | Printed to file (HP LaserJet)
|
| HPK | HPack compressed file archive
|
| HPL | Vector image (Hewlett-Packerd LasetJet)
|
| HPLJ | Vector image (Hewlett-Packerd LasetJet)
|
| HPM | Alternate Main menu for privileged users (Procomm Plus)
|
| HPM | Emm text (HP NewWave)
|
| HPM | Quaestor 1.x High Performance Map
|
| HPP | C++ header (Zortech C++/Watcom C/C++)
|
| HPP | Vector image (Hewlett-Packard Printer Control Language)
|
| HPPCL | Vector image (Hewlett-Packard Printer Control Language)
|
| HQX | BinHex archive format, often used on Macintosh
|
| HRC | SoftImage model 3D file
|
| HRF | CADCore bitmap image (Hitachi Raster Format)
|
| HRH | Common header for resources and C++
|
| HRM | Alternate Main menu for limited/normal users (Procomm Plus)
|
| HRZ | SSTV, Slow Scan TeleVision file
|
| HRZ | Bitmapgrafik mit Echtfarben
|
| HS | Literate Haskell source code file
|
| HS2 | Postering monochrome image
|
| HSC | 2-op FM music file (HSC tracker)
|
| HSC | Highscore-Table
|
| HSI | Handmade Software Inc bitmap image (Image Alchemy)
|
| HSP | HomeSite WWW page project
|
| HST | History file
|
| HST | Handmade Software graphics histogram (HSI raw file)
|
| HST | Plug-in file?
|
| HT | HyperTerminal file
|
| HTM | HyperText Markup Language file (WWW-page)
|
| HTM | Hypertext Markup Language (HTML)
|
| HTMLS | HyperText Markup Language document with server-side include (WWW)
|
| HTT | HyperText Template
|
| HTX | MS FrontPage HTML template
|
| HWD | Hollywood presentation
|
| HX | Cross-reference hash file (THOR database)
|
| HXG | Hexxagon data file
|
| HXM | Alternate Protocol Selection menu for all users (Procomm Plus)
|
| HXX | C++ header
|
| HY1 | Ventura Publisher hyphenation algorithms
|
| HY2 | Ventura Publisher hyphenation algorithms
|
| HYC | WordPerfect data
|
| HYD | WordPerfect for Win hyphenation dictionary
|
| HYP | Hyper compressed file archive
|
| HZ | Chinese text |
