A problem has occurred after updating Office / Office 365 on Mac, staff computers. As a result, Outlook does not sync and other Office programs do not work properly. Error message is that license is missing and Office needs to be activated.
To fix the error on a computer where the problem is located, you need to activate Office, by pressing "Activate" and then enter your firstname.lastname@example.org in the box for s e-mail address and your password for your staff account.
If the error persists after activation, you also need to restart your computer.