Changing between digital and physical games on Switch is easyBest answer: Yep. If you own the physical or digital copy of a Nintendo Switch game, the game save data for the Switch is in the system's memory. So, if you're on the physical version and want to switch to digital instead, you should be able to do that without a hitch.
Go digital, go green: Nintendo eShop Gift Card ($20 at Amazon)
Your data is stored on the console
Unlike other Nintendo systems, your game save data for the Switch is stored on the console's system memory, not on the cartridge. Even if you buy the digital version and later archive or delete the game from your console, your game saves will be preserved.
The save data is also generally associated with the individual account, so as long as you're signing in as the same user, you should have access to the save data. In other words, if a user account is deleted, all the save data is deleted too — and can't be recovered.
Perks of physical games
If you're into building a credible bookshelf of video games, then you...
Source:
Changing between digital and physical games on Switch is easy
