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

We collected the information you should know about the .chq filename on this page. If you were sent a(n) .chq 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

.chq - Help Combined Full-text Search

The CHQ file is a Data file, which is connected to the Help Combined Full-text Search according to our registry. With the adequate settings, the Help Combined Full-text Search (.chq) files can be opened or converted with the help of WinHelp.

Format description:
CHQ format
Magic string:
- / -
Related links:
Related extensions:
Windows Help Annotations
Windows Help File

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

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

If the program necessary for opening the .chq file is installed properly on your computer, then the quickest and simplest way to open the .chq 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 .chq file, you may receive an error message from the associated application, this can be caused by the following:

Incorrectly given .chq extension

The .chq 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 .chq files.

ch, hq, cnq, cq

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

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

CQUAL Configuration
Apple ProRes 422 HQ Video
Scitex Continuous Tone

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.

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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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