Canvas Apps provide an awesome way of presenting tailored UIs to customers in order to enable them to solve their problems in the best possible way. However, a lot of users still love their Outlook client and seem to spend most of their time writing mails in it. Power Apps already provides a built-in Outlook Add-in to get Model-Driven Apps running in Outlook, but there is no such way for Canvas Apps.
Original Post https://nckr.de/posts/canvas-in-outlook-overview/