...
There add a new client: 
| Warning |
|---|
for < v.3.6: Make sure to use the url oc://localhost when adding the client otherwise it will not work! for newer: use http://outlook.localhost when adding the client otherwise it will not work! |
After adding, make note of the Client ID and the Client Secret. These need to be configured in the outlook client (all users use the same id and secret!).
...