Is it possible to get the Primary Email Adress of a user that has a different username as the Primiry email address using Microsoft Graph API?

Question

Hello,
I'm working on an application that has synchronization with Outlook and the subscription is being made with the email address. However, there are cases where a Primary email address is different from the username of the user, in those cases the synchronization is breaking.

Is there a way to get The primary email address of a user that has change his username, as in the image?
Cause i have tried with the different user properties but I have not being able to get the Primary Email Address.

Answer 1

Hello @yeison bernal , the otherMails property can list additional email address for the user, try to get user by primary email address using following API.

https://graph.microsoft.com/v1.0/users?$filter=otherMails/any(c:c eq '{Primary Email Address }')  

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Answer 2

Hello, in this specific case where the primary email address is different from the Username the way that i found to get the Primary Email Address in this call.

https://graph.microsoft.com/v1.0/users/{Id | UserName}/proxyaddresses