| H |
Program header (C) |
| HA |
Compressed archive (HA) |
| HAM |
Driver file (Novell Netware) |
| HAM |
Vector graphics saved file (Amiga) |
| HAP |
Compressed archive (HA) |
| HBK |
Handbook (MathCad) |
| HBK |
Accounting data file (Humanic Software) |
| HCM |
Configuration file (IBM HCM) |
| HCOM |
Sound Tools file (HCOM) |
| HCR |
Production configuration file (IBM HCD/HCM) |
| HDF |
National Center for Supercomputing Applications (NCSA) Geospatial Hierarchical Data |
| HDF |
Help file (Help development kit) |
| HDL |
Alternate download listing (ProComm Plus) |
| HDR |
Database header (Pc-File+) |
| HDR |
Datafile (Egret) |
| HDR |
Message header text (ProComm Plus) |
| HDR |
Message header text (1st Reader) |
| HDW |
Vector graphics (Harvard Draw) |
| HDX |
Help index (AutoCAD) |
| HDX |
Help index (Zortech C++) |
| HED |
Document (HighEdit) |
| HEL |
Hellbender saved game (Microsoft) |
| HEX |
Macintosh BinHex 2.0 file |
| HFI |
HP font info (GEM) |
| HGL |
Drawing file (HP Graphics Language) |
| HH |
Help system map (Generic) |
| HH |
Header file (C++) |
| HHH |
Precompiled header (Power C) |
| HHP |
Help information for remote users (ProComm Plus) |
| HIT |
Audio file (HitPlayer) |
| HLB |
Help library (VAX) |
| HLP |
Help file (Generic) |
| HLP |
Windows Help file (DataCAD) |
| HMI |
Human machine interfaces MIDI music file (Descent) |
| HMM |
Alternate mail read option menu (ProComm Plus) |
| HMP |
Human machine interfaces MIDI music file (Descent) |
| HNC |
Program files (CNC) |
| HOG |
Lucas Arts Dark Forces WAD file |
| HOG |
Mission file (Descent 1-2) |
| HOG |
Main data package file (Descent3) |
| HOT |
Document file (HotSend) |
| HP8 |
Ascii text Roman8 character set (NewWave Write) |
| HPC |
Font language file (Hewlett-Packard) |
| HPF |
HP LaserJet font (Adobe Pagemaker) |
| HPF |
Partial download file (HotLine) |
| HPG |
HPGL Plotter vector graphics (AutoCAD) |
| HPG |
HPGL Plotter vector graphics (Harvard Graphics) |
| HPI |
Font information (GEM) |
| HPJ |
Help Project file (Visual Basic) |
| HPK |
Compressed archive (HPACK) |
| HPM |
Emm text (HP NewWave) |
| HPM |
Alternative menu for privileged users (ProComm Plus) |
| HPP |
Program header (C++) |
| HPP |
Header file (Zortech C++) |
| HQX |
BinHex (Macintosh 4.0) |
| HRF |
Rastor graphic (Hitachi) |
| HRM |
Alternate menu for limited users (ProComm Plus) |
| HS2 |
Monochrome image (Postering) |
| HSC |
FM synthesized music file (Used by many old games, e.g.:FINTRIS, ROL) |
| HSI |
Graphic (Handmade Software, Inc.) |
| HST |
History file (Generic) |
| HST |
History file (ProComm Plus) |
| HT |
HyperTerminal file |
| HTA |
A HTML file that has been used to by viruses to update the system registry |
| HTM |
A Web page (a file containing Hypertext Markup Language - HTML - markup) |
| HTML |
A Web page (a file containing Hypertext Markup Language - HTML - markup) |
| HTT |
Hypertext template (Microsoft) |
| HTX |
Template (Extended HTML) |
| HWD |
Presentation (Hollywood) |
| HWP |
Korean word processor document format (HanGul) |
| HXM |
HAM extension (Descent2) |
| HXM |
Alternate protocal selection menu (ProComm Plus) |
| HXX |
Header file (C++) |
| HY1 |
Hyphenation algorythm (Ventura Publisher) |
| HY2 |
Hyphenation algorythm (Ventura Publisher) |
| HYC |
Datafile (WordPerfect for Windows) |
| HYD |
Hyphenation dictionary (WordPerfect for Windows) |
| HYM |
3D Image binary file (Hymarc Scandata Scanner) |
| HYP |
Compressed archive (HYPER) |
| H! |
On-line Help (Flambeaux Help!) |
| H++ |
Header file (C++) |
| H-- |
Header file (Sphinx C--) |
