The settings will automatically save, and the next time you delete an email, it will not show up the message. Make sure to test it out. Read: Email notification sound is not working. Cache is one of ...

Are your Outlook notifications not working at this time? This problem can be caused by a number of things so if you don’t know where to start looking for an answer, this troubleshooting guide can help ...

Is the Outlook (new) app not sending notifications on your desktop? Several users have reported that they are not receiving notifications for new emails, despite having enabled notification settings.