A hhtml file extension is related to the Realmedia adstream html document format.
HHTML file extension - Realmedia adstream html document
What is hhtml file? How to open hhtml files?
File type specification:
The hhtml file extension is associated with the Realmedia and used for its adstream html files.
Most likely some old format without support from the developer. No further information could be found.
This hhtml 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.