The Wii Backup File System is commonly used for:
While WBFS was the gold standard for years, it had several drawbacks. The primary issue was that WBFS partitions are prone to corruption and are "invisible" to standard operating systems. If a drive became corrupted, recovering data was nearly impossible for the average user. wii backup file system
Wii Backup Manager: The modern choice. It handles conversions between ISO and .wbfs files and supports FAT32/NTFS drives. The Wii Backup File System is commonly used
Use (Windows) or wit (command line) to convert ISO images to .wbfs files. wii backup file system