How to Fix Outlook not Connecting to Your Email Server ...
Power Cycling your Computer. Before we start implementing proper workarounds, we will first try to restart your computer and router completely so this eradicates any error configurations they are in.
Checking internet connection: Another thing to check before we start technical workarounds is that there is a valid internet connection.
Turning Off Work Offline. Outlook has a feature of working offline.
Checking for Updates. Before we repair your Outlook account and reset the data files, we will first check whether there are any updates which might be available for Outlook and Windows both