Change your My Account sign-in to a Microsoft® email address

Updated 8/4/2017 5:00:31 PM by Comcast Expert


This article applies to Microsoft® Hosted Exchange customers who have not yet been migrated to Microsoft® Office 365. If you are currently using Office 365, please visit Microsoft’s Set up Office 365 for business support page.

After activating your account, you can easily create a Microsoft® email address so you can access services like Microsoft Outlook and Windows® SharePoint.

Note: Primary Managers and Services Managers have the ability to assign new mailboxes for themselves and for other users on the account. If a Primary Manager creates a new Microsoft email address for himself or herself, that address will automatically become the primary email address and sign-in address for the account. If an existing email address was previously used for billing notifications or account alerts, it will automatically update to the new Microsoft email address once it is successfully created.

Assign an email box

  1. Step 1:

    Sign in to My Account and select Users from the Manage Account menu.

    Note: You must be the Primary Manager or Services Manager to assign email boxes.

  2. Step 2:

    Select Assign Email Box under the user to whom you'd like to assign a Microsoft email address.

  3. Step 3:

    Enter the desired email address in the Create email address field.

    In the example above, a domain has already been registered and appears to the right of the "@" symbol. If multiple domains have been registered, select the desired domain from the dropdown menu.

    If you have not yet registered a domain, you may enter one here. Once the information is entered, a message will appear letting you know if that domain is available.

    Select Continue when you are finished.

  4. Step 4:

    Review mailbox information and select Continue.

  5. Step 5:

    Your mailbox has now been assigned along with a temporary password. If you have created a new email address for another user, be sure to provide them with the temporary password so they can sign in. Select I'm Done.

    Upon signing in for the first time you will be prompted to change your password.

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