.HT3 File

The ht3 file extension is occasionally used for HTML documents.

Hypertext Markup Language (HTML) is the standard markup language for creating web pages and web applications.

Very rare used file extension.

This ht3 file type entry was marked as obsolete and no longer supported file format.

This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.

How to open:

Use compatible tools to work with *.ht3 files.

How to convert:

Possibly can be exported to other formats.