Yes, Can you unlink Nintendo Account from switch at any time. To do so, go to the Settings menu on your Switch and select Accounts.
Then, select the account you wish to unlink and select Unlink. You will be prompted to confirm this action; once you do, your account will be successfully unlinked from your Switch.
Keep in mind that if you have any content downloaded to your Switch linked to that Nintendo account (e.g. digital games, DLC, saved data), those items will no longer be accessible once the account is unlinked.
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Table of Contents
How Do I Unlink a Device From My Nintendo Account?
First, you’ll need to log in to your Nintendo account. Once you’re logged in, click on “Settings” and then select “Linked Devices.” From there, you’ll be able to see all devices that are currently linked to your Nintendo account.
To unlink a device, simply click on the “X” next to the device’s name and it will be disconnected from your account.
Source: https://en-americas-support.nintendo.com/app/answers/detail/a_id/15990/~/how-to-link-or-unlink-a-nintendo-network-id-to-a-nintendo-account
What Happens if I Delete a User on Switch?
If you delete a user on Nintendo Switch, that user’s save data will be deleted as well.
Your Nintendo Switch saves are associated with your account, not your console. This means that if you log into a friend’s console with your account, you’ll be able to access your saves.
It also means that if you delete your account, your saves will be deleted as well.
What Does Linking a Nintendo Account Do?
When you link your Nintendo Account to your Nintendo Switch, it enables you to purchase digital games and other content from the Nintendo eShop, register and manage your friends, access game history and progress across devices, back up save data for select games, and more.
Linking a Nintendo Account also allows you to access the My Nintendo rewards program. With My Nintendo, you can earn points by completing missions or purchasing products from the Nintendo eShop.
You can then redeem those points for discounts on digital games and other content from the Nintendo eShop, as well as a variety of other rewards.
Finally, linking a Nintendo Account also gives you access to exclusive deals and offers that are available only to MyNintendo members.
What Happens if I Delete My Nintendo Account?
If you delete your Nintendo account, any content that you have purchased through the account will be inaccessible. This includes games, DLC, and in-game items.
In addition, any references to your account will be removed from Nintendo’s systems, and any data associated with your account will be deleted.
Keep in mind that once an account is deleted, it cannot be recovered.
