Outlook (Web App) - How to Add a Shared Mailbox
This guide explains how users who have been granted access to a shared mailbox can add it to their Outlook Web App for easy access and management.
Note: You must already have been granted access to the shared mailbox by an administrator before you can add it to your Outlook Web App.
Steps to Add a Shared Mailbox
- Log into your Outlook Web App at https://outlook.office365.com
- Click on the Settings gear icon in the upper-right corner of the window.

- In the Settings panel, select Accounts from the left navigation menu.
- Click Shared with me.
- Click the +Add button.

- In the text field, type the email address of the shared mailbox you want to add.
- Click the Continue button.

- Wait for the process to complete. The shared mailbox will appear in your folder list.
- Click Close to finish.

Accessing Your Shared Mailbox
After adding the shared mailbox, you will see it listed in your folder pane on the left side of Outlook Web App, below your personal mailbox folders. Click on the shared mailbox name to view its contents and manage emails.
Need Additional Support?
If you have any questions or need further assistance, please contact the ITS Help Desk:
- Call: (618) 650-5500
- Email: help@siue.edu
- Visit: Lovejoy Library Room 0005 during regular business hours.
This guide aims to provide useful information, but as technology changes, interfaces or steps might vary. Please use the Comment button to let us know if anything differs from your experience. Your feedback helps us keep this information accurate. Thank you!
