If above doesn't help, please also have a look at the following article which described a similar issue. Uncheck the option “When displaying hierarchy in Outlook, show only subscribed folders.” at the bottom of the window.
Find Inbox, highlight it and click S ubscribe.ħ. Now, switch to the All tab and click the Query button.Ħ. Find Inbox, highlight it and click Unsubscribe. Click on the Subscribed tab and click the Query button.Ĥ. Go to your IMAP mailbox, click Folder tab on the Ribbon.ģ. Can you see any synchronization errors in the Sync Issues folder on the Folders (Ctrl +6) navigation pane?ĭoes this issue continue if we try to unsubscribe Inbox and then subscribe it again? To do this, please follow:ġ.