An hb file extension is related to the Harwell Boeing Sparse Matrix format.
There is one other file type using
the HB file extension!
.hb - HotBasic data
HB file extension - Harwell Boeing Sparse Matrix format
What is hb file? How to open hb files?
File type specification:
The hb file extension is related to the Harwell Boeing Sparse Matrix, a file format used to describe sparse matrices.
May be used by some computing applications. Seems to be obsolete file format.
This hb 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.