Using Outlook for iOS for personal email and calendar management
Update: Per this Reddit post: https://www.reddit.com/r/Outlook/comments/1493krp/outlook\_for\_ios\_notifications\_cannot\_show\_preview/
Go into Outlook App settings and turn on Face ID at the bottom. Restart App
Go back into Outlook App settings and turn Face ID off at the bottom. Restart App
Go into iPhone settings, scroll down to Outlook, find Face ID setting. Turn it OFF
Open Outlook App.
It's now working for me again. Bug Bug Bug....