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When your old email address or phone number doesn't suit you anymore—but you want to retain your contacts, online storage, subscriptions, and settings—you can add a new email address or phone number as an alias to your existing Microsoft account. An alias is another email address or phone number that works with the same Microsoft account.

When you change your email address, you have the choice of creating a new Outlook.com email address or using an email address from a different email provider (for example, gmail.com or yahoo.com.)

Tip: Creating an Outlook.com email address gives you a brand-new email address that is attached to your existing Microsoft account. This makes several benefits and features available to you within the Microsoft suite of products, particularly within Outlook. You might want to do this if your Microsoft account is not currently tied to an Outlook.com email address. Even after adding an Outlook email address as an alias, you can still use any of your aliases to log into your Microsoft account. For more, see Add or remove an email alias in Outlook.com.

  1. Sign in to Manage how you sign in to Microsoft. If you’re having issues signing in to your Microsoft account, see Microsoft account help for more info.

  2. Select Add email or Add phone number.

  3. Follow the instructions to add a new email address or phone number to your Microsoft account aliases.

Find out how to change or remove an email address or phone number from your Microsoft account.

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