If outlook displays Not connected or this folder was last updated at 09:58 Working offline 

Below are a few toubleshooting steps

Solution 1) 

On the Send / Recieve tab un select Work offline

    When work offline is disabled it would look like this

Solution 2)

Close and reopen outlook 

Solution 3)

Do you use any 3rd Party Firewall software? if so refer to their guides on how to check what programs are allowed through.

Solution 4) 

Check the space left on your computer if you have less than 10GB, look over your files and see what you can remove.