You can choose how you want to be notified when people ask to be your friend, leave you comments, tag you in photos, and more. And you can choose where the notifications are sent.
Go to the notifications settings webpage.
You might need to sign in with your Microsoft account.
Under Social update notifications, check the boxes to choose whether or not to receive email or Messenger pop-up notifications.
If you want to receive only certain types of notifications, tap or click Show update types to see the full list of notifications. Check the boxes to choose which types you want to receive.
Tap or click Save.
Email Microsoft support
Chat with Microsoft support