>> HHP file

HHP file format description

Many people share .hhp files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .hhp file can be edited, converted or printed with. On this page, we try to provide assistance for handling .hhp files.

1 filename extension(s) found in our database.

.hhp - HTML Help Project

The HHP project files are related to Microsoft HTML Help. HHP file is a HTML Help Project. An HTML help project (HHP) file is a text file that brings together all the elements of a help project. It contains the data HTML Help Workshop needs to combine topic (.html, .htm), image (.jpeg, .gif, .png), index (.hhk), and contents (.hhc) files into a single compiled help (.chm) file.

Microsoft HTML Help
Project files
- / -
HTML Help Project related extensions:
Visual FoxPro Project
Balsamiq Mockups Project
Dewesoft 7 Project
Samsung Theme Designer Project
Apple Project Builder Xcode Project
Xcode Project

Naturally, other applications may also use the .hhp file extension. Even harmful programs can create .hhp files. Be especially cautious with .hhp files coming from an unknown source!

Can't open a .hhp file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows can't open this file:


To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

The .hhp file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

htp, bhp, thp, mhp, hup, hph, hhl, hgp, ghp, nhp, hyp, hmp, hh, hbp

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

htp Source File
BHP Survey Tool Data
HyperLynx BoardSim PCB Layout
Designer Graphics System 2 Data
GitHub Software Package
Maths Helper Plus Data

Operating systems

DataTypes.net currently supports the following operating systems:

Windows XP/Vista, Windows 7/8, Windows 10, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, Mac OS X, iOS, Android

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If you have useful information about the .hhp file format, then write to us!

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