Please follow the link below to add an additional email address to an existing Office 365 account
http://office.microsoft.com/en-au/office365-suite-help/add-an-email-alias-to-a-user-account-HA104072264.aspx
Add an additional email address to an existing Office 365 account Print
Modified on: Wed, 16 Sep, 2015 at 3:53 PM
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