.HHK File Extension
- Developer by: Microsoft
- Category: System Files
What are .HHK files and how to open them?
Can't open .HHK file? Are you wondering what it contains? On our site we will explain to you what this file is, what it is used for and what software opens the .HHK file.What is a .HHK file extension?
.HHK file extension is created by Microsoft. .HHK has been classified as System Files.
.HHK is HTML Help Index
Help index file created by Microsoft HTML Help, a program used for creating Windows help documentation; saves an index of keywords that each open a help page when clicked; enables quicker lookups for common terms.
List of all softwares that can open the HTML Help Index
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