Once it’s highlighted, you can also hit the Ctrl + C keys on Windows or the cmd + C keys on a Mac to copy the folder. Highlight the “Nintendo” folder, then drag and drop it to your desktop.Within the drive, there should be a folder named Nintendo. You should see the mounted USB device as a form of external storage (its name depends on your hardware). Once the microSD card is recognized, head to File Explorer on Windows or Finder on a Mac. (If you don’t already have an adapter, you can try something like the SanDisk MobileMate USB 3.0 PCard Reader because it also doubles as an SD card adapter). Insert the microSD card into your computer’s slot or into an adapter connected to your system.Eject your old microSD card (located underneath the kickstand on the right-hand side) by gently pressing down on it it should pop out easily. Turn off your Nintendo Switch by holding the power button, selecting Power Options, and then selecting Turn Off.Future purchases and downloads will correctly route to the microSD card instead of the internal storage.
Finally, confirm your selection by hitting Archive from within the pop-up. There’s an alternative method for game archiving: Instead, highlight the game in question on your home screen, hit the “+” button on the right Joy-Con, scroll down to Manage Software, then select Archive Software.Confirm your selection by hitting Archive. A confirmation pop-up should appear warning that the game data will be archived however, your saved data and game icon will remain on the Switch’s home screen.
From the game data information screen, scroll down to Archive Software and select it.Once you’ve decided which game(s) you want to migrate, highlight and select the first one from the list.There is no straightforward transfer tool between the Switch’s internal storage and the microSD card, so you have to archive your game(s) first - one game at a time. From here, you can peruse the list and figure out which games / apps are stored locally and which are stored on the microSD card.Navigate to and select Manage Software, right beneath Quick Archive.Your cursor will transition to the storage management screen. Scroll down (using the touchscreen or Joy-Con controller) to select Data Management.Navigate to the System Settings gear icon on the bottom right and press the “A” button (or double-tap with your finger). You should hear a slight click once it’s securely docked. Insert your new microSD card into the slot.Underneath the plastic stand, you’ll find a microSD card slot. Turn the handheld over, then lift the kickstand next to the right Joy-Con controller.Turn off your Switch by holding down the power button, scrolling down to Power Options, and then selecting Turn Off.