I am not sure why this was ticked in the first place - this was there by default. Untick the box next to 'Run this program in compatibility mode for: Windows 7 Service Pack 1'. Right click on the Outlook 2016 shortcut and select the Compatibility tab.
Completely uninstall and reinstall Office 2016.Run both 'quick' and 'full' repairs of Office 2016.Add registry key to DisableHardwareAcceleration.Delete and re-create the Outlook profile.Windows 7 Pro SP1 (brand new installation) with Office 2016 (brand new installation) connecting to local Exchange 2013 server mailbox. Throughout troubleshooting, other symptoms that occurred were: Outlook would load and error immediately with 'Could not open information store'.