Fix the Use Temporary Mailbox Issue - Minnesota State University, Mankato
https://www.mnsu.edu/office-365/transition-support/fix-the-use-temporary-mailbox-problem/
Fix the "Use Temporary Mailbox" Issue Click Cancel each time you receive the prompt, and close Outlook. When your computer has restarted and you are logged back in, open the Control Panel. The Control Panel can be found... Open Outlook.
Click Cancel each time you receive the prompt, and close Outlook.
When your computer has restarted and you are logged back in, open the Control Panel. The Control Panel can be found...
Open Outlook.
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