Microsoft has confirmed the issue with Office 365 and they are working to implement a fix.
Posted 18 days ago. Jan 29, 2019 - 17:00 EST
We are continuing to investigate this issue.
Posted 18 days ago. Jan 29, 2019 - 16:33 EST
At 4:27:42 PM on 1/29/2019, ITS detected a problem with Office365. Members of the ITS staff are working to resolve the issue and to identify the root cause of the service interruption. Updates will be communicated as they become available.