How to open HHK file format? (HTML Help Index)
When during your work you encounter a problem with the HHK file extension, it is mostly the lack of possibility to see its contents. Its full name is HTML Help Index. The HHK file belongs to the System Files category, and its structure has been developed by the Microsoft company. In order to open the HHK file, you must download appropriate software. You will find the applications supporting the HHK file at the following list. If you install one of the programs from the list, your problems with the HHK file should stop. If the information presented here does not resolve your problem, go to another page on the topic: .
| Category | Developer/Producer | Software |
|---|---|---|
| System Files | Microsoft | HTML Help Index |
Programs using this file extension
Windows
Mac OS
Linux