Starting January 31, 2019, the classic version of Yahoo Mail will no longer be available. At that time, you'll be upgraded to the latest version of Yahoo Mail or basic Mail, depending on your browser's compatibility. Learn more about the latest version of Yahoo Mail.

Turn off Facebook notifications

If your inbox is drowning in too many Facebook notifications, Facebook allows you to choose which ones to turn on or off. Go to Facebook's help page and search for the notification settings to learn how to turn off the notices coming into your Yahoo inbox.