How To Change Email In Nintendo Account

Linking to a Nintendo Account, Nintendo Switch Support

Nintendo Account Breach Is Far Worse Than Originally Thought

How to Create a Nintendo Account and Link It to a Nintendo Switch

How to permanently delete your Nintendo account

All the Nintendo accounts you need for your Switch - Polygon

Nintendo now supports passkeys for account security

Nintendo Accounts to 'Help Ease Transition' to the Switch Successor

Nintendo Switch's transition to its successor has already started through the online account system - Meristation

Using One Nintendo Account On 2 Switches Is Tricky, So Here's The Best Way To Do It

It's the same device and I have to do this every time I want to log into the account. What's the problem here? : r/Switch