Will old Mojang accounts be deleted?

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Migration failed : Ohhh no! something went wrong : r/Minecraft

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Is there any way i can save my account? : r/Minecraft

How to Recover Deleted Minecraft Worlds [2023 Solved]

Petition · Remove Minecraft Java Edition's Report System ·

If all unmigrated accounts get deleted September 19, wouldn't you just be able to claim a lot of OG usernames? : r/PhoenixSC