A hrh file extension is related to common header files used in programming.
HRH file extension - Common header for resources and C++
What is hrh file? How to open hrh files?
File type specification:
The hrh file extension is used for common header files used in programming in C++ programming language.
Most likely some old format without support. No further information could be found.
This hrh 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.