) that allows games to be stored on standard FAT32 or NTFS drives while significantly reducing file size by stripping out "garbage data" (padding) from original ISO images Format Performance Review Storage Efficiency:

Here is an interesting guide to understanding WBFS, the history of Wii backup formats, and how they are managed today.

Always maintain a backup of your original ISO files on an external hard drive. While WBFS is great for playing, converting back to ISO can be tricky if the game uses unique disc structures. Keep your library clean, legal (where you can), and organized.