- Accessing a Shared Mailbox in New Outlook
- 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:
- Open New Outlook.
- Right click your address and select Manage Account.
- Open Shared with Me to see what mailboxes you have access to.

- Expand the folder and look for the shared mailbox.
If the shared mailbox is not listed:
- Right‑click your account.
- Select Add shared folder or mailbox.

- Enter the email address of the shared mailbox you wish to add.

- 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:
- Select New to compose a new email.
- Once the message window opens, the menu bar will change.
- Select the Options tab.
- 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.