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How do I setup Office 365 email different from ID in Win10 Mail App
My Office 365 email address is different from my Office 365 user ID. This is because of the user convention in AD. My Use id is {first letter of first name}{last name}@{domain}, while my primary email address is {first name}.{last name)}@{domain}. When I add an account to Windows 10 Mail App, I start with my email address, but it ends up with my user ID. Therefore I am unable to send from my primary email address, emails got sent from my ID (which is also valid email address associated with my mailbox). How do I send from my primary email address?