A tni file extension is related to the Sega Virtua Tennis a video game for Windows, Dreamcast and Nintendo GBA.
TNI file extension - Sega Virtua Tennis menufiles common data
What is tni file? How to open tni files?
File type specification:
The tni file extension is associated with the Virtua Tennis arcade tennis simulation game for Windows, Dreamcast and Nintendo GBA, developed by Sega.
The tni file stores various game data used for internal purposes of the Virtua Tennis.
This tni 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.