Outlook 2010 and 2013 was configured with IMAP connection

Root Folder

Outlook 2010 and 2013 was configured with IMAP connection and did not allow for synchronization bringing down the provider's email server.  Solution:

 

1) Navigate to File >> Options >> Advanced >> scroll down to the send/receive heading >> click on thesend/receive button on the right

2) On the right hand side of the send/receive groups window that opens click on the Edit button

3) Un-check the "Get folder unread count for subscribed folders"

4) Under Received mail items, check the option "User the custom behavior defined below"

 

Restart Outlook.