The more you tell us the more we can help. I use it to manage multiple email accounts, and it’s wealth of features and integration with other Microsoft software keep me using it. How do I take charge of notifications from chat and email? Can you help us improve? Do nothing, or dismiss the notification.
 
 

OWA web push notifications

 
Sign up for Microsoft Download Notifications and receive a customized monthly email newsletter notifying you of new downloads in the categories you choose. Learn how to manage automatic file downloads from your Windows 10 apps when you use an online storage provider, such as OneDrive Files On-Demand.