@burnout426 Hi! I am talking about this program:
https://outlook.office.com/mail/
Or about this program:
https://outlook.live.com/mail/0/
.
In my previous laptop I also used Windows 10 and the latest version of Opera and I had no problems with this.
Here the image which I have on the Edge (the same have in Chrome):
image_2022-01-21_124045.png
When I click on the message (red arrow) I have the message in separate window below.