I migrated Minecraft to the wrong Microsoft account, followed the FAQ - Microsoft Community

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Cannot play Minecraft Java Edition after migration - Microsoft Community

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Mojang Issues Warning to Players with Legacy Minecraft Accounts

Minecraft - Today's the day! As part of making Minecraft: Java Edition even more secure, we're beginning to roll out mandatory migration for some players. Check out our FAQs for all the

Feed The Beast on X: It's nearly time everyone! Make sure to migrate your Minecraft Java account over to Microsoft. Don't panic if it's not working, you can contact their support team

CANCEL Minecraft Java Edition Account Migration – Minecraft Feedback

Minecraft's last call to migrate: How not to lose your account after the Microsoft acquisition - Meristation

You won't be able to play Minecraft Java Edition after THIS date; find out why