Azure AD user accounts and Exchange Online mailboxes share many properties, including some for a user’s address. When it comes to countries, Azure AD has the Country property while Exchange uses the CountryOrRegion property. Sometimes the two don’t match up. Why does this happen and does it matter in practical terms? What other country or regional settings exist that need to be managed? A simple question sets off a big discussion.
https://office365itpros.com/2023/01/09/azure-ad-user-country-settings/
