There are a number of possible reasons for Outlook to behave this way.
Lessĭid you get an Outlook not responding error? Is Outlook stuck on a screen that simply says 'Processing'? Or does Outlook freeze or stop working when you're opening a file or sending an email message? Outlook for Microsoft 365 Outlook 2021 Outlook 2019 Outlook 2016 Outlook 2013 More.
