HDZ-Amiga-hard-disk-image
HDZ-Compressed-Poser-Hand-Pose-File
HE0-Unknown-file-extension
HE5-Hierarchical-Data-Format-Release-5
HEA-Fifa-2001-Data-Feart-Legal-Screeen
HEARTSSAVE-MS-Hearts-Saved-Game-Microsoft-Corporation
HEB-DEcomp-3D-Scene-Data-H-H-G-Family-of-Corporations
HED-Document-HighEdit
HEH-Scarlett-Expert-System-Compiler-Facts-File
HEL-Hellbender-saved-game-Microsoft
HELI-RealFlight-Radio-Control-Airplane-Description-Knife-Edge-Software
HELP-Apple-Guide
HELP-Microsoft-Help-File
HELP-Unix-help-file
HEP-HostExplorer-Telnet-Session-Profile-Hummingbird-Ltd
HEP-Novell-NetWare-Help-Librarian-data-file
HES-Hudson-Entertainment-Sound
HESSIAN-Insight-II-Hessian-File-Accelrys-Software-Inc
HESSIANX-Insight-II-Hessian-File-Accelrys-Software-Inc
HET-WinSQL-HTML-export-template-file
HEU-Adobe-FlashPlayer-Adobe-FlashPlayer-Cache-MetaData-File-Adobe-Systems-Inc
HEX-Macintosh-BinHex-2-0-file
HFA-ERDAS-IMAGINE-Hierarchical-File-Architecture-Leica-Geosystems-LLC
HFB-Hell-Fighter-Battle-File-David-Peterson
HFB-Ralcgm-File
HFC-Unknown-file-extension
HFD-HotDocs-Form-Document
HF-HF-Image
HF-HF-image-format
HFI-HP-font-info-GEM
HFO-Hollywood-FX-Object-File-Pinnacle-Systems-Inc
HFP-Harry-s-Filters-Filter-Preset-Harald-Heim-The-Plugin-Site
HFS-Macintosh-disk-image-file
HFT-HaftiX-Cross-Stitch-Pattern-GRZELA-Grzegorz-Zochowski
HFT-HotDocs-Form-Template
HFV-Simulated-Macintosh-Volumes-on-PC-Hard-Drive
HFX-Harvard-Graphics-F-X-File-Harvard-Graphics
HFX-Hollywood-FX-Special-Effects-File-Pinnacle-Systems-Inc
HFX-HotFax-data
HFX-Pinnacle-Hollywood-FX-special-effects-file
HFX-US-Robotics-Rapid-Comm-voice-data-file
HFZ-HollywoodFX-Plug-In-Header
HG1-Hellgate-London-save-game-Header
HGC-PC-Fold-Molecule-Secondary-Structure
HGH-PDP-10-high-segment-file
HG-HP-Graphics-Language-file-plotter
HGH-Star-Wars-Tie-Fighter-High-Score
HGL-Drawing-file-HP-Graphics-Language
HGP-HighGrow-Plant-File
HGS-Harvard-Graphics-Graphics
TechTarget file types