- Click “New Email”.

- If the From field is not yet visible, on the “Options” tab, in the “Show Fields” group, click “From” to display From field for this and all future emails.

- Click “From” field and then select “Other E-mail Address…”.

- Type the name or email address of the shared mailbox, and then click “OK”.

- The shared mailbox address is displayed. In the future, you can click “From” button and select it to send email from this shared mailbox.
