How do we enable Azure AD login for Acumatica Add-In in Outlook?

Hello guys,How do we enable Azure AD login of Acumatica Add-In in Outlook? Our version is Acumatica Cloud ERP 2021 R2 Build 21.204.0055.Thank you in advance.    The Azure AD login is visible in web but not in Acumatica Add-In in Outlook 

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