How to open HHP files

Did your computer fail to open a HHP file? We explain what HHP files are and recommend software that we know can open or convert your files.

What is a HHP file?

The HHP file extension indicates to your device which app can open the file. However, different programs may use the HHP file type for different types of data.

We are aware of 1 different use of the HHP extension, which you can read more about below.

Microsoft HTML Help Project

Through our analysis of HHP files, we know that one use of the format is Microsoft HTML Help Project. We have not yet described in detail what these files contain and what they are used for, but our team is working tiredlessly through thousands of file formats. We'd love hearing from you if you have information about the format.

We have not verified any programs yet that works with this specific format. If you know any, please use the 'Suggest a program' link below. Thanks!

Software that will open, convert or fix HHP files

These apps are known to open certain types of HHP files. Since many different programs may use HHP files for different purposes, you may need to try a few of the apps to open your specific HHP file.

HTML Help WorkshopHTML Help WorkshopUser submitted
HTML HelpHTML HelpUser submitted
HTML HelpHTML HelpUser submitted
RoboHelp HTMLRoboHelp HTMLUser submitted
Help EditorHelp EditorUser submitted
FAR by http://www.HelpwareGroup.comFAR by http://www.HelpwareGroup.comUser submitted
FAR by http://www.Helpware.netFAR by http://www.Helpware.netUser submitted
Happy HarvesterHappy HarvesterUser submitted
We have not verified any programs that we know for certain can work with HHP-files on Mac. If you know one, please use the Suggest link below and tell us about it!
We have not verified any online services that we know for certain can work with HHP-files. If you know one, please use the Suggest link below and tell us about it!