A hpsign file extension is related to the HP System Software Manager (HP SSM). A hpsign file contains data.
HPSIGN file extension - HP System Software Manager data
What is hpsign file? How to open hpsign files?
File type specification:
The hpsign file extension is associated with the HP System Software Manager, a tool, which allows users to update software, drivers and BIOS on HP computers.
The hpsign file stores some kind of data used by HP SSM.
This hpsign 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.