Mail on mac stuck 'moving messages'

I use Mac Mail for emails, synced with an Exchange account. Ever since the Catalina upgrade, when I move an email from the inbox to other folders, or when I try to delete them, the Mail app gets stuck in 'moving messages' and so I would see the movement or deletion of the message locally, but it will not make the change in the server and the change will not sync to my other devices.


I tried restarting with no success. Also deleting the account from the app and adding it again. This did solve the issue for a day and then the problem returned.


This is a recurring issue. Please help.

Posted on Jan 7, 2020 7:21 AM

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Posted on Jul 14, 2020 8:37 AM

I had this very same problem. I was ultimately successful by deleting the "Envelope index" files described here on Computerworld.


After deleting these files, upon the next time you start Mail, you will see a dialog that says the mailboxes need to be rebuilt. After that finishes, all was back to normal for me. Note that I did lose the "stuck" emails that were being moved at the time. In my case, I was moving emails from a non-iCloud account into an iCloud email folder.


One last thing...the article for that link is from 2014, and specifies version "V2" in the path to get to the Envelope Index. This should be "V7" for the latest version of Mail as I write this. Hope it helps.

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Mail on mac stuck 'moving messages'

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