How to Add a Shared Mailbox in Outlook Online (OWA)

Follow the steps below to add a shared mailbox to your Outlook account when using Outlook in a web browser.

1. Sign in to Outlook Online

Go to: https://outlook.office.com  Sign in with your work email and password.

2. Open the Settings Menu

• Click the gear icon in the top‑right corner

• At the bottom of the panel, click View all Outlook settings

3. Go to Mail → Accounts

In the Settings window:

• Select Mail

• Select Accounts

• Click Shared mailboxes

4. Add the Shared Mailbox

Click Add a shared mailbox:

•  Enter the shared mailbox email address or name of the email account that is being shared

If you have permission (Full Access), Outlook will automatically add it to your mailbox list.

5. Refresh Outlook

• Close the settings window

• Refresh your browser

• The shared mailbox will appear on the left side under your folders

⭐ How to Send Email From the Shared Mailbox

When composing a new email:

1. Click New message

2. Click From

3. Choose the shared mailbox address (If you don’t see it, click From → Other email address)

⭐ Important Notes

• You must already have Full Access permission to the shared mailbox

• If you need to send email from it, you must also have Send As permission

• If the mailbox does not appear after adding it, sign out and sign back in