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Informations about the HHP filename extension and the file formats associated with it

We collected the information you should know about the .hhp filename on this page. If you were sent a(n) .hhp file in an e-mail, but you don’t know what to do with it, then you can find help here. We strive to suggest free, open-source applications that are available to everyone for the file formats.

1 filename extension(s) are in our database

.hhp - HTML Help Project

The HHP file is a Project file, which is connected to the HTML Help Project according to our registry. With the adequate settings, the HTML Help Project (.hhp) files can be opened or converted with the help of Microsoft HTML Help.

Format description:
HHP format
Category:
Project
Application:
Microsoft HTML Help
Mime-type:
application/octet-stream
Magic string:
- / -
Aliases:
-
Related links:
-
Related extensions:
.hhc
HTML Help Table of Contents
.hhk
HTML Help Index
.stp
HTML Help Stop Words

Important! Programs other than the ones listed above may also use the .hhp file extension. Even harmful programs can create files with the .hhp extension to store data in them. Always be careful with .hhp files coming from unknown sources. Don’t open executable files that arrived in mails, even if you know the sender.

The .hhp file can’t be opened on your computer?

If the program necessary for opening the .hhp file is installed properly on your computer, then the quickest and simplest way to open the .hhp file is to double-click on the file’s name. If that doesn’t work, then the right software probably isn’t installed on your computer.

While opening the .hhp file, you may receive an error message from the associated application, this can be caused by the following:

Incorrectly given .hhp extension

The .hhp filename extension can be given incorrectly sometimes. The cause of the error could be a mistake or a simple typo. We found the following incorrectly given filename extensions that are the most frequent in the case of .hhp files.

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

Maybe you’re not even looking for the .hhp file extension?

It’s possible the the file’s extension was given incorrectly. Below, we list some filename extensions that are similar to the .hhp extension. It’s possible that the one you’re looking for is among them.

.ghp
GitHub Software Package
.thp
Intuit TurboTax Tax Line Description
.hup
Haihaisoft Universal Player Media
.hbp
HBPredicT Output
.hh
C++ Header File
.hyp
Adobe Acrobat Spelling Dictionary

Associated applications

The Windows operating system stores information about the applications associated to the file extensions in the registry database. The associations can be queried or modified in the Command Prompt window with the "assoc" command.

Help us

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We gladly accept application suggestions, but our primary goal is to suggest reliable, open-source applications that can be freely distributed to the users.

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