.5br is Fivebar geometry data
Key Features: .5BR File Extension
What is an .5BR file?
The 5br file extension is associated with the Fivebar, a modeling software.
The 5br file stores geometry data.
The Fivebar software seems to be obsolete product without support from developer, or distributor.
This 5br 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.