1. Accessing a Shared Mailbox in New Outlook
  2. Enabling the “From” Field to Send Email from a Shared Mailbox

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These instructions explain how to add and use a departmental shared mailbox in the New Outlook 365 client on a Windows computer.

Before you can access a shared mailbox, permission must be granted by the ITS Service Desk. Once access is provided, the mailbox contents can be viewed and managed in Outlook.


Accessing a Shared Mailbox in New Outlook

To check whether a shared mailbox is already available to you:

  1. Open New Outlook.
  2. Right click your address and select Manage Account.
  3. Open Shared with Me to see what mailboxes you have access to.
  4. Expand the folder and look for the shared mailbox.

If the shared mailbox is not listed:

  1. Right‑click your account.
  2. Select Add shared folder or mailbox.
  3. Enter the email address of the shared mailbox you wish to add.
  4. Select Continue.

The shared mailbox will appear in the left‑hand navigation pane once added.

Note: At this time, shared mailboxes cannot be added to Favorites in New Outlook.


Enabling the “From” Field to Send Email from a Shared Mailbox

To send email from the shared mailbox address, you must enable the From field:

  1. Select New to compose a new email.
  2. Once the message window opens, the menu bar will change.
  3. Select the Options tab.
  4. Under Show fields, select Show From.

The From field will now appear at the top of the email message, allowing you to choose the shared mailbox as the sender.