Backing up your Wii games to an SD card is relatively simple for most gamers. It can be very frustrating to have to redo a level in a game because you did not save your progress. Saving your game also enables you to go back to a specific point in a game with ease. To ensure that you will not lose all of your hard work, simply save your Wii games to an SD card.
Instructions
1
Insert the SD card into the proper location on your Wii console.
2
Go to the Wii save settings after playing your game.
3
Click the game data and select "copy," and the Wii will copy the game data to the SD card.