Adding a Shared Mailbox - Outlook online

To open another mailbox in Outlook Online (Outlook on the Web), follow these steps:

✅ Method 1: Open another mailbox directly

1. Log in to your Outlook Online account.
2. In the top-right corner, click on your profile picture or initials.
3. Select "Open another mailbox..." from the dropdown.
4. Type the email address of the mailbox you want to open.
5. Click Open.

This will open the mailbox in a new tab.

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✅ Method 2: Add shared mailbox to your folder list

If you have permission to a shared mailbox and want it to appear in your folder pane:

1. In Outlook Online, right-click your email address in the left pane.

1. Select "Add shared folder or mailbox".
2. Enter the name or email address of the shared mailbox.
3. Click Add.

The shared mailbox will now appear in your folder list and stay there for easy access.