A u98 file extension is related to the USA 98 Streets & Destinations tour data format.
U98 file extension - USA 98 Streets & Destinations tour data
What is u98 file? How to open u98 files?
File type specification:
The u98 file extension is used in older USA 98 Streets & Destinations a multimedia application created by Sierra, which was later acquired by Activision.
The u98 file stores tour data.
This u98 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.