Steps:
1. Launch Microsoft Outlook
2. Click the File tab (top left corner)
3. Click the Info tab (Top left)
4. Click the Account Settings button select Account Settings
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5. In Account Settings, select your current mailbox and click Change
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6. Click the More Settings button (lower right corner)
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7. Select the Advanced tab and click the Add button
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8. Type in the name of the mailbox then click OK
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9. Once the name of your mailbox is populated, click Apply
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10. Finish out the wizard by clicking Next, and then Finish on the remaining windows.
11. Close out of the any remaining wizard windows & close Outlook
12. Launch Outlook and begin browsing the new mailbox.
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