The Outlook 2016 failed to sync IMAP email service, the error code as the following:
Error Synchronizing Folder
Solution:
Under the Internet email settings pane gets opened. You have to click on Advanced tab and then, in Root Folder path box, Type : Inbox. After this, click on OK to update all the changes.
Then click “Next”
Then click “Finish”
Close the outlook and re-open it.
Reference:
https://blog.systoolsgroup.com/outlook-error-800ccc0e-0-0-560-synchronizing-folder/
