How do I add an alias of an existing Microsoft account? - Microsoft Community

microsoft account used set device different microsoft account used set office 365. when try add email used purchase office alias email have used set device, says email exists. should do? also, if renew office subscription email used purchase it, still work on device, device set different email? please me, i've been trying fix days.

hello navya please check link, found how create alias https://support.microsoft.com/en-us/help/12407/microsoft-account-manage-aliases

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