How to Add a Shared Mailbox in Microsoft 365 Admin Center

How to Add a Shared Mailbox in Microsoft 365 Admin Center

TABLE OF CONTENTS


Follow these steps to create a shared mailbox that multiple users can access and use:


Step 1: Sign in to Microsoft 365 Admin Center

        Go to https://admin.microsoft.com.

        Sign in with your administrator account.


Step 2: Navigate to Shared Mailboxes

        In the left-hand menu, select Teams & groups.

        Click on Shared mailboxes.


Step 3: Create a New Shared Mailbox

        Click + Add a shared mailbox at the top of the page.


Step 4: Enter Shared Mailbox Details

        Name: Enter a display name for the shared mailbox (e.g., “Legal Department”).

        Email: Enter the email address you want for the shared mailbox (e.g., legal@yourcompany.com).

        Click Save changes.


Step 5: Assign Members to the Shared Mailbox

        After saving, click on the new shared mailbox in the list.

        Click Edit under the Members section.

        Click + Add members.

        Select the users who should have access to this shared mailbox.

        Click Save.


Step 6: Inform Users How to Access

        Users with access will see the shared mailbox automatically in Outlook (if auto-mapping is enabled).

        Alternatively, users can add the shared mailbox manually in Outlook if it doesn’t appear.



Notes:

        Shared mailboxes do not require a license unless the mailbox size exceeds 50 GB or you enable an archive.

        Members can send email as the shared mailbox or on behalf of it if permissions are properly configured.

        Assign Send As or Send on Behalf permissions via Exchange Admin Center or PowerShell if needed.


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