Thanks go to Shari on this one.
1 )Visit https://outlook.office.com
2) Log in with your firstname.lastname@example.org address and your VNET password.
3) If asked to "Try the new Outlook", answer yes.
4) Follow the steps outlined in the video below to create a new forwarding rule to copy messages sent to email@example.com to your normal firstname.lastname@example.org address.