No, deleting a Nintendo Account will not delete save data from games.
If you change your Nintendo Network ID, all of the data associated with that account will be deleted. This includes games, game saves, and any other data you have saved on your system.
No, you cannot delete Nintendo Network ID.
If you delete a user on Switch, the account will be deleted from all of Nintendo’s systems. If you have purchased any content from the Nintendo eShop or redeemed a code for a download, this content will no longer be available to you.
Nintendo Network ID and Nintendo Account are two different things. Nintendo Network ID is a username that you can use to sign into your Nintendo Account, but it’s not the same thing as a Nintendo Account.
My Nintendo Network ID is “Mario”
You can change your Nintendo Network ID by going to the Nintendo eShop on your Wii U or Nintendo 3DS and selecting “Change Network ID”.
Yes, deleting your Nintendo Network ID will delete all of your games.
Nintendo does not delete inactive accounts.
No, deleting Switch user does not delete games.
