When a user changes his/her profile image from SharePoint Online, it is immediately available in Outlook and Lync. But this part can get confusing, so let’s continue…
So, the purpose of this post is to shed some light on how this works today. But, it turns out that they are not and that the rules for how these images are synchronized across the various data stores is a little complicated.
If these images were stored in a single location, this would not be a problem. In O365 there are a plethora of ways to view and configure user profile images. Background of User Photo Sync Behavior in Microsoft 365