In Outlook choose the menu option
Tools, Email Accounts
Select the radio button "View or change existing e-mail accounts"
Click Next
Click "Change..." button
Click "More Settings..." button
Choose "Advanced" tab
Click the "Add" button to "Add mailbox:"
hal webdev email
Click OK
Click the "Add" button to "Add mailbox:"
hal webtest email
Click OK
Click the "Add" button to "Add mailbox:"
hal webstage email
Click OK
Click OK to finish entering Advanced settings
Click Next for E-mail Accounts "Exchange Server Settings"
Click Finish
You should now see three new mail boxes at the bottom navigation pane.