As far as I can tell, what they're doing is this: Edge recently released a sidebar, one app in the sidebar is Outlook. The idea is that if you click on a link i

As far as I can tell, what they're doing is this: Edge recently released a sidebar, one app in the sidebar is Outlook. The idea is that if you click on a link in Outlook, the link opens in the full Edge browser, opens the Outlook sidebar and opens the email the link was from so you have context. It's not a bad feature at all, the problem is the dark pattern forcing it.