A diva file extension is related to the Hatsune Miku: Project DIVA video game.
DIVA file extension - Hatsune Miku: Project DIVA data
What is diva file? How to open diva files?
File type specification:
The diva file extension is associated with the Hatsune Miku: Project DIVA a series of rhythm games created by Sega for various video gaming consoles and iOS operating system.
The diva file stores some kind of game data.
This diva 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.