An sel file extension is related to the Nintendo Wii a video gaming console and used for its debugging symbols.
SEL file extension - Nintendo Wii debugging symbols
What is sel file? How to open sel files?
File type specification:
The sel file extension is associated with the Nintendo Wii a video gaming console introduced in 2006.
The sel file stores debugging symbols used with programming of games and other software for Nintendo Wii.
This sel 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.