stands for Wii Backup File System . It was originally designed as a file system for USB hard drives, not as a file container. However, over time, "WBFS" came to refer to the .wbfs file extension—a scrubbed, compressed container that holds the data of a Wii game.
: A standalone file stored on a standard FAT32 or NTFS drive. This is the modern standard. LaunchBox Community Forums 2. Best Practices for Modern Use wii games wbfs