Dec 7, 13:31 UTC
Resolved - This incident has been resolved.
Dec 7, 13:26 UTC
Monitoring - We backfilled all the concerned channels back online.
Dec 7, 12:46 UTC
Identified - We've received multiple reports of customers having Office365 channels in an offline status.
To put the channel back online you can manually re-auth.
In the meantime, we are working on a script to return all Office365 channels online.