Warning: Always follow an up-to-date guide like wii.guide. Outdated tutorials can brick your console.

WBFS () is a file format designed to store and play Wii game backups from USB drives or SD cards . It was originally a partition type but is now primarily used as a file format (.wbfs) to save space by removing "junk data" (padding) from original disc images. 📂 Understanding WBFS Files