The Office 365 Connection is used in the following places:
•Office Tasks
•Microsoft Teams Trigger
•Microsoft Teams Task


Application Id
The application Id is the id you get from when you setup your application in Azure:

Application password
Setup app
Needed API permissions:

Authenticate
You setup the password/client secret here:



Redirect Url
You need to match the existing one in the Azure portal:

Troubleshooting
Token null / empty
Possible reasons for this error:
1.The Extra settings redirect uri is not matching the O365 redirect uri
2.There is a software already listening on the given url in extra settings (for example http://localhost is normally taken by a local web server as default port is 80)
3.There is a firewall on the VC server blocking the incoming redirect from the web browser
4.The authentication goes wrong – wrong password, aborted auth window, crash in O365 web page