OneDrive Notification and Setting
By default, users receive notifications about file activity in OneDrive and SharePoint. These notifications appear across apps and devices. For example, the service sends notifications through the Firebase Cloud Messaging service to the Office mobile app for Android or the Apple Push Notification service to the Office mobile app for iOS.
How to Stop OneDrive From Sending You Notifications
However, sometimes OneDrive will bombard you with one too many notifications. So if you wonder how you can make it go silent, we’ll show you how to stop OneDrive from sending you notifications on desktop, web, and Android.