A WBFS (Wii Backup File System) file is a specialized game disc image format used primarily for playing Nintendo Wii backups on modded consoles. Unlike a standard ISO file, which is a sector-by-sector copy of the entire disc (typically 4.7 GB), WBFS removes "junk" data and encrypted padding, significantly reducing the file size. GitHub +2 Key Software & Management Wii Backup Manager
WBFS was a stepping stone. Today, the preferred method is on standard FAT32 or NTFS drives. wbfs wii game