If you can't find a dialog box open, move on to the next step.
If you try to delete or move a large number of messages at once, Outlook can appear to hang, but really, it's working behind the scenes. If Outlook is performing some operation on hundreds or thousands of messages at once, it might appear to be stuck.
To be exact, I have created a new profile and kept it to download but still the problem persists. I can assure there's no issue as other users are able to communicate without any issues. If you feel the issue is not resolving itself I would recommend checking out the Outlook Support and Recovery Assistant Here: https://configure.office.com/sara/Setup Consider changing how much email you are downloading as well to keep offline.
Start low - and you can increase it as you validate it if you need too.
hen using Microsoft Outlook client to access Exchange mailboxes and Inbox, the Outlook does not actually update the all mailboxes and Inbox folder.