Files with chq extension are used by Microsoft Help.

Detailed description

Software that open chq file

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CHQ file extension - Microsoft Help combined full-text search file

What is chq file? How to open chq files?

File type specification:

Various data file type icon Various data file type

The chq file extension is associated with Microsoft Help. File contains combined full-text search.

Microsoft Compiled HTML Help is a proprietary format for online help files, developed by Microsoft and first released in 1997 as a successor to the Microsoft WinHelp format. It was first introduced with the release of Windows 98, and is still supported and distributed through Windows XP, Vista and Windows 7 platforms.

The default software associated to open chq file:

Microsoft Windows icon

Microsoft Corporation logoMicrosoft Windows  Microsoft Windows software

Company or developer:
Microsoft Corporation

A family of operating systems developed by the Microsoft Corp. The first Windows was released in 1985 as a GUI add-on to MS-DOS. MS-DOS based Windows versions were developed to 2000, when was released the last version called Windows ME. Windows based on NT core started in 1993. Windows NT family are developed to these days, the latest version is called Microsoft Windows 11.

Help how to open:

It is not possible to open files with chq extension.

How to convert:

The chq file extension can't be converted.

List of recommended software applications associated to the .chq file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open chq file, edit chq file, convert chq file, view chq file, play chq file etc. (if exist software for corresponding action in's database).

Unspecified and all other actions for computer programs working with chq file - Microsoft Help combined full-text search file

Click on the software link for more information about Microsoft Windows. Microsoft Windows uses chq file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).

Microsoft Windows:

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