How do I remove the Microsoft Office Update reminder notice?
When you finish updating to Office 2016 you may start seeing a reminder notice asking you to install the newest updates. This is due to Microsoft Office 2016 being set to automatically update. You can change this with a few simple steps.
Open one of the Microsoft Office 2016 applications. From the application menubar choose the Help menu and choose Check for Updates.
Check the Manually box. Close window. This will remove the reminder notice from appearing in your Office 2016 applications.