A new configuration window will appear. Locate the dropdown menu and change it from RVZ to ISO .
If you want alternative options, the emulation community has created helpful scripts that leverage dolphin-tool to automate the process. For example, a GitHub project called WiiBackupCliTools provides Python scripts to convert a whole folder of RVZ files into a format ready to be placed on a USB drive for a real Wii console. Similarly, the ElektroStudios collection of conversion scripts offers a robust way to manage large libraries. convert rvz to iso