Add/Remove a user from a shared mailbox

Shared mailboxes allow multiple users to send and receive emails from a common mailbox—ideal for teams managing customer support, HR inquiries, or general info accounts. This guide walks you through how to add or remove users from a shared mailbox using the Exchange Admin Center (EAC).

Accessing the Shared Mailbox

1. Sign in to the Exchange Admin Center.
2. Navigate to Recipients > Shared.
3. Select the shared mailbox you want to manage.
4. Click Edit (pencil icon).

Add a User

1. Go to the Mailbox Delegation section.
2. Under Full Access, click + Add.
3. Search for the user and select their name.
4. Repeat under Send As if needed.
5. Click Save.

Troubleshooting Tips

• Changes not taking effect? Wait up to 60 minutes or restart Outlook.
• User can't send as mailbox? Ensure both Full Access and Send As permissions are granted.
• Still not working? Try removing and re-adding the user.