Introduction
In Office 365 Outlook, you can open and manage multiple mailboxes in one view, which is useful for accessing shared mailboxes or additional mail accounts. This guide will show you how to open another mailbox in both the web and desktop versions of Outlook.
Steps to Open Another Mailbox in Office 365 Outlook
1. Open Another Mailbox in Outlook Web (Outlook on the Web)
- Open your web browser and go to Outlook on the Web.
- Log in with your Office 365 account credentials.
- In the Outlook interface, click on your profile icon or initials in the top-right corner.
- From the dropdown menu, select Open another mailbox.
- In the pop-up window, enter the name or email address of the mailbox you wish to open and click Open.
- The mailbox will open in a new tab or window.
2. Open Another Mailbox in Outlook Desktop (Windows or Mac)
- Open the Outlook desktop application.
- Click on the File tab in the top-left corner.
- Select Account Settings, then click on Account Settings again from the dropdown.
- In the Email tab, select your account and click on Change.
- Click More Settings in the window that appears.
- Go to the Advanced tab, and under Mailboxes, click Add.
- Enter the email address of the mailbox you want to open and click OK.
- Click Next to save your settings, and then Finish.
- Restart Outlook to see the additional mailbox in the folder list.
3. Access the Additional Mailbox
Once the mailbox has been added, it will appear in your folder pane under your main mailbox. You can expand and collapse it to access emails, folders, and other settings within the additional mailbox.
FAQs
1. Can I access a shared mailbox if I don’t have permission?
No, you must be granted access to the shared mailbox by an administrator or the owner of the mailbox. If you cannot access it, contact your IT administrator to request access.
2. How many mailboxes can I add to my Outlook?
You can add multiple mailboxes in both Outlook Web and Outlook Desktop. However, depending on your account and configuration, performance may vary with a large number of mailboxes.
3. Why can’t I see the new mailbox in my Outlook app?
If you don’t see the new mailbox immediately, try restarting Outlook. Also, ensure that your account has permission to access the shared mailbox.
4. Can I add a calendar from the other mailbox?
Yes, when you add another mailbox, you can also access the calendar and other folders within that mailbox. Simply navigate to the Calendar section and select the shared calendar.
