Nintendo Account and Nintendo Network ID Link Service Ends Next March

The service that allows users to link the Switch's Nintendo Account with the 3DS and Wii U Nintendo Network ID will cease on March 2024.

The Wii U and Nintendo 3DS eShop will be shutdown next year

Nintendo eShop closing for 3DS, Wii U next year — Here's something you might want to do right now

How to create and link a Nintendo account for Nintendo Switch (2022)

You'll Have One Year To Transfer Funds Once 3DS & Wii U eShops Close, Says Nintendo

Nintendo announces the closure of the Nintendo 3DS and Wii U eShop: date and details - Meristation

Nintendo won't let you buy digital games for Wii U and 3DS after March 2023 - The Verge

How To STILL Make Purchases on the Nintendo 3DS & WiiU

eShop Resources for 3DS and Wii U – Delisted Games

How To Find Nintendo Network ID: In 3 Steps With Photos - History-Computer

Nintendo Will Close Wii U, 3DS Digital Stores on March 27, 2023 - CNET

Nintendo To Shut Down Wii U & 3DS eShop Support In 2023

How to Sign into Nintendo Switch Account on Nintendo Switch Oled

How to find out your email address that you used on a Nintendo Switch account - Quora

How to merge your WiiU and 3DS eShop balances to Nintendo Switch