WBFS used the Linux system to operate in the early days and cannot be identified under the Windows system. The purpose of WBFS file system is mainly to improve the operating efficiency of USB storage devices. WBFS is a game backup mode produced during the research of running backup games on Nintendo home machine Wii.The inventor is the hacker Kwiirk. What is WBFS? It is originally a file system and its full name is Wii Backup File System. This post from MiniTool Partition Wizard offers you 2 tools to do that.
In this case, you need to convert WBFS to ISO. However, some game emulators like Dolphin only support ISO file format. WBFS is an image file format used for Wii games.