If you downloaded a 100% save file from the internet or you’re restoring a previous backup, follow these steps:

For emulation enthusiasts, few things are as agonizing as losing hundreds of hours of progress. Super Smash Bros. Ultimate is a game defined by its grind—unlocking every fighter, collecting Mii costumes, achieving Elite Smash status, and completing the World of Light adventure mode. If you are playing this flagship Nintendo title on the Yuzu emulator, understanding how your save data works is not just a technical curiosity; it is an essential survival skill.

You must launch Super Smash Bros. Ultimate at least once on Yuzu so the emulator creates the folder structure. Even booting to the title screen works.

Backing up is a simple copy-paste job, but you must ensure Yuzu is .

Before diving into the "how," let’s look at the "why." Super Smash Bros. Ultimate has one of the most tedious unlock systems in modern fighting games. To unlock all characters naturally, you must:

Before diving into file folders, it is important to understand how Yuzu handles save data compared to a physical Nintendo Switch.

On Windows, this usually maps to a path like: %APPDATA%\yuzu\nand\user\save\0000000000000000\[User-ID]\[Game-ID] . How to Import a 100% Save File