.HHP file extension

This is the basic program to work with .HHP extension

HTML Help Workshop

HTML Help WorkshopHHP File

With Microsoft HTML Help Workshop you can create help files for Windows applications and web pages. It includes advanced text search capabilities and a 'favorites' tab to save the more often searched topics, themes and/or terms. The created help files (*.HLP) can be included to distribution packages and complete instalable Windows based applications... (more)

The program works with the following extensions: log, hhc, hhk and hhp