Nintendo Switch Manual page 82

If you'd like to manage all of your screenshots at
once, go to System Settings ⇒ Data Management
⇒ Save Data/Screenshots ⇒ Manage Screenshots.
There you can delete all of your screenshots or
copy data between the microSD card and the
system memory.
Save data
All of your save data will be saved in the system
memory.
You can delete save data for each individual
software via System Settings ⇒ Data Management
⇒ Save Data/Screenshots ⇒ Delete Save Data.