An hht file extension is related to the Microsoft Help and Support Center HHT file format.

Detailed description

Software that open hht file

Add comment

Bookmark & share this page with others:

HHT file extension - Microsoft Help and Support Center HHT data

What is hht file? How to open hht files?

File type specification:

Document file type icon Document file type

hht file icon: hht filetype icon

The hht file extension is associated with the Microsoft Help and Support Center.

The Help and Support Center in the Windows operating system represents a significant milestone in delivering a single resource for Online Help, support, tools, how to articles, and other resources.

The default software associated to open hht 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 Windows 10.

Help how to open:

The *.hht file can be opened by any text editor (Windows Notepad, Notepad++).

How to convert:

Probably cannot be converted to other formats.

Related links:

Using the Help and Support Center

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

Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting hht files.

Software that open hht file - Microsoft Help and Support Center HHT data

Programs supporting the exension hht on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about listed programs for open hht file action.

Apple macOS / Mac OS X:


Previous file extension
HHP file extension > Document file types

Next file extension
file extension HIS


Follow us!

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

RSS feed