Knowing how to transfer system data onto the Switch 2 is incredibly helpful if you want to port all of your old Switch data onto Nintendo's new console. Below you'll find what system data can be ...

If you have purchased a Nintendo Switch 2 and wish to transfer all of your data from a Nintendo Switch 1 console, you can simultaneously transfer all of your user and save data to the new console, ...

So, you've just got your hands on a Nintendo Switch 2, and you want to get the data from your old Switch to the new one. With various games and save data you've built up over the last eight years, one ...

TL;DR: There are multiple reports from those migrating from the Nintendo Switch to Switch 2 complaining that they've lost save data, and in one highlighted case, the losses are heavy to say the least.