Files with oxr file extension could be, especially in past, found as Virus Safe Web Drivers.
OXR file extension - Virus Safe Web Driver data
What is oxr file? How to open oxr files?
File type specification:
The oxr file extension was in the past used for some sort of Virus Safe Web Driver file type.
Most likely some old format without support. No further information could be found.
This oxr 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.