Office 365 users often ask about user profiles in various Office 365 services and where to change what. Since the Office 365 products do have a history, there are different places where user profile data is stored and how specific properties are synchronized. So, we at atwork thought that it makes sense to inform about the current user profile status in Office 365 with this article.
AAD Basics The basis of all Office 365 services is the central Azure Active Directory (AAD) that stores all users, groups, licenses and relations of an Office 365 tenant (*.onmicrosoft.com). Entities can be managed in the Office-Portal, with scripts (PowerShell, etc.) or custom code (accessing the Microsoft API’s), or in a hybrid scenario with AAD Connect or ADFS. Once a user is created in AAD, there are a bunch of user properties available, as the User Principal Name (UPN, which is the login name), the person’s name and address data, Office 365 licenses, and more. All Office 365 products require such a user identity for sign-in. Once logged in, users benefit from Single-Sign-On (SSO) experience with one single identity.
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