...
Get the latest Evolution-EWS client for your Linux distro.
When configuring Evolution, select Exchange Web Services as the Server Type.
Under Configuration, use Userid@mailuse your WVU Login username followed by your domain (@mail.wvu.edu or @hsc.wvu.edu) as your Usernameusername.
Important: The Host URL will come up with something local. You must change it to https://outlook.office365.com/EWS/Exchange.asmx
Authentication: you can "check for supported types" and it should pick NTML.
When you click Fetch URL it will ask you for your password, which you need to provide.
Autodiscover will populate the OAB URL field.
At this point, you should be able to click the Finish button on the bottom and be able to connect.
...