Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. It seems like there is a disconnect between O365 and exchange which is super weird to me... Create your account and connect with a world of communities. How to fix sync issues in Outlook 365? How to resolve the issue of Outlook not syncing in Windows?Method 1: Check your internet connection. ...Method 2: Close and restart Microsoft Outlook. ...Method 3: Force Outlook to sync...