An nsb file extension is related to the NS Basic/CE development software.
NSB file extension - NS Basic/CE data
What is nsb file? How to open nsb files?
File type specification:
The nsb file extension is associated with the NS Basic/CE an integrated development tool that allows users to create software for Windows CE and Windows Mobile.
The nsb file stores some kind of data used by NS Basic/CE.
This nsb 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.