In Outlook for the desktop you can add additional email accounts that you can use as an alias.Â
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To add an email account to Outlook for the desktop, see Add an email account to Outlook.Â
In Outlook for the web, you can create up to 10 aliases in Microsoft account and use them with Outlook.com and logging into Microsoft account.Â
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To create or add an email account for Outlook.com and Microsoft account, see  Change the email address or phone number for your Microsoft account.
