format was brilliant—it stripped away the "junk" data and compressed the game perfectly for modern emulators—but the Library’s main backup system only accepted the raw, unadulterated
You will also see options for "GCZ" and "RVZ" here. Make sure you pick ISO. Keep the "Block Size" at the default (2 MiB for Wii, 32 KiB for GC). convert rvz to iso free
Launch Dolphin. Do not double-click a game to play it. Instead, look at the top menu bar. Click on Tools > Convert Game... format was brilliant—it stripped away the "junk" data