[herryjohn]

In the event that You are not getting messages in Outlook 365, by then check under notification some standard reasons:- 

1. Not permitting enough stacking time 

2. Issue with Internet Connection 

3. Wrong email address entered by Sender 

4. By Mistake Email saved in Draft 

5. Email Marked as Spam


Read more here:- https://www.datarecovo.com/outlook-not-r...ow-to-fix/