One difference between Win 10 and Win 11 (on my computers) is that when I go to All apps and click "Mail" on the Win 10 M/C I can go to "settings" and find "Notifications" but on the Win 11 M/C when I go to "All apps" and click "mail" I get "Welcome to mail" with "add your accounts to keep up to date across devices". Should I have done something there?
Remember, I'm getting the notifications, I'm getting sound but it's not the "proper" sound = "ring 10". What I get is a short tone then half the proper sound.