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Mail lost all accounts and mails after Big Sur Upgrade

After the upgrade from Catalina to Big Sur, launching Mail starts with asking you to set up an account. This means all settings and the accounts with mails have not been transferred to this new upgrade. How can I get things in order again?

iMac 21.5″, OS X 10.11

Posted on Mar 31, 2021 5:15 PM

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Posted on Mar 31, 2021 5:27 PM

as long as you haven't made any changes in your mail on the provider's web page, you can remove and then re-add the account to the mail app. it will reload everything from there. it will bring folders from the web page, but you may need to reorganize them once they are back in the mail app.

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Mail lost all accounts and mails after Big Sur Upgrade

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