subscription, your game progress is automatically backed up to the cloud. To manually download these backups: From the HOME Menu : Highlight the game icon and press the + or – Button Save Data Cloud , choose your user, and then select Download Save Data Through System Settings : Navigate to System Settings Data Management Save Data Cloud
To download and use save files created by others (e.g., 100% unlocked games), you typically need a modded console running Custom Firmware (CFW) like Atmosphere. nintendo switch game saves download high quality