Files with hxh extension are associated with Microsoft Help, this file format was used for online help files.

Detailed description

Software that open hxh file

Add comment

HXH file extension - Microsoft Help merged hierarchy file

What is hxh file? How to open hxh files?

File type specification:

Various data file type icon Various data file type

The hxh file extension is related to Microsoft Help and used for one of its proprietary formats for online help files, developed by Microsoft and first released in 2001 as a help system for Visual Studio .NET (2002) and MSDN Library. Create by Help 2.0 Workshop (Visual Studio Help Integration Kit).

Updated: June 27, 2024

The default software associated to open hxh 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:

The hxh extension file is not meant to be opened manually by the user.

How to convert:

Files with hxh extension are unconvertable.

List of recommended software applications associated to the .hxh 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 hxh file, edit hxh file, convert hxh file, view hxh file, play hxh file etc. (if exist software for corresponding action in's database).

Unspecified and all other actions for computer programs working with hxh file - Microsoft Help merged hierarchy file

Click on the software link(s) for more information. Suggested software applications use hxh file type for internal purposes and/or also by different way than common edit or open hxh file actions.

Microsoft Windows:

Previous file extension
HXF file extension > Various data file types

Next file extension
file extension HXK


Enter any file extension without dot (e.g. pdf)
Search for file extension details and associated application(s)

RSS feed