There were two migrations: 1. Minecraft account to Mojang account 2. Mojang account to Microsoft account Both had a 3-year deadline. If you failed to do eith

There were two migrations: 1. Minecraft account to Mojang account 2. Mojang account to Microsoft account Both had a 3-year deadline. If you failed to do either before their deadline, then your "lifetime" Minecraft account is completely dead with no possibility of recovery.