How to Enable Online Mode for Outlook 2016

This process is useful if you are unable to delegate access to your mail or calendar, and if you are unable to connect to someone else's mail or calendar after they delegate access to you.

From Outlook:

Step One: Click File.


Step Two: Click Account Settings and then Account Settings again.


Step Three: Select your account and then Change...


Step Four: Uncheck Use Cached Exchange Mode.