File Extension HHK

.HHK File

File extension: HHK
File type: Index


Notes about the HHK file extension:



To open this file type, a required software must be installed. Without it you only see a Windows message "The following file cannot be opened" (Windows 7) or "How do you want to open this file?" (Windows 10) if you double-click the file. There click on "More apps" and choose a suitable software to view such files on your PC or from email attachments.

The HHK file type is primarily associated with 'HTML Help' by Microsoft Corporation. These files store the information needed for the index pane and are in the sitemap format.

Detailed information for file extension HHK:


Primary association: HTML Help
Company: Microsoft Corporation
Related links: Unofficial (Preliminary) HTML Help Specification



To change file associations press Windows Key + X and then Apps and Features > Default apps > Choose default apps by file type. Invalid file associations could be the result of underlying issues within your Windows PC.

Technical data

To view technical data on file-extension HHK click this link to expand/hide the additional area.

System Info for File Extension .HHK

The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and information FILExt collected directly from user systems.

ProgramID: Hhk.File, FileType: Index, AppName: Microsoft® HTML Help Workshop
EXEFile: hhw.exe

ProgramID: Hhk.File
EXEFile: %ProgramFiles%\HTML Help Workshop\hhw.exe %1

ProgramID: Hhk.File
EXEFile: D:\Help Tools\HTML Help Workshop\hhw.exe %1

ProgramID: Hhk.File
EXEFile: %ProgramFiles%\Help Workshop\hhw.exe


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