Using New Outlook on Windows for personal email, calendar, and contact management
Seriously?
Only method 2 provides the intended result, and you now need twelve steps where previously you only needed two. Actually even some more because afterwards you need to find the msg file in your Explorer and delete it.
Copy & pasting objects has been a standard feature of any application for decades, and you are stripping it off ... Please bring back this feature!
(Not personal, it's not your fault - just want to express my strong disappointment about Microsoft)