File extension
File type
Developer
File format
HTX
HTML Extension File
Microsoft
N/A
HGL
HP Graphics Language File
Hewlett-Packard
N/A
HPGL
HP Graphics Language Plotter File
Hewlett-Packard
N/A
HHC
HTML Help Table of Contents
Microsoft
N/A
HHK
HTML Help Index
Microsoft
N/A
HMX
Help & Manual 4 Project
EC Software
Text
HUS
Husqvarna Embroidery File
Viking
Binary
HLX
ATI Radeon Video Driver Support File
N/A
N/A
HDL
HotDocs Library File
HotDocs
XML
HIT
The Sims Sound File
N/A
N/A
HOT
The Sims Sound File
Electronic Arts
N/A
HIP
Houdini Project File
Side Effects Software
Text and Binary
HIPNC
Houdini Apprentice File
Side Effects Software
Text and Binary
HKI
WinHKI Archive
N/A
N/A
HKI1
WinHKI HKI1 Archive
N/A
N/A
HKI2
WinHKI HKI2 Archive
N/A
N/A
HKI3
WinHKI HKI3 Archive
N/A
N/A
HS
Haskell Script
N/A
Text
HS
Java HelpSet File
Sun Microsystems
XML
HS
Motorola Flash Flex File
Motorola
N/A
HS
LaserTank High Scores File
JEK Software
Binary
HAS
Haskell Script
N/A
N/A
HMK
Hallmark Card Studio File
Hallmark
N/A
HXS
Help 2 Compiled Help File
Microsoft
Text
HDMP
Windows Heap Dump
Microsoft
N/A