1 - Close Outlook

2 - Click Start followed by Control Panel


3 - At the top right type in search - Mail then click on Mail (32-bit)


4 - Click on E-mail Accounts


5 - Click on New…


6 - Select Manually configure server settings or additional server types followed by Next


7 - Click on Microsoft Exchange or compatible server followed by Next


8 - Type in casarray.hdexchange.local then put in the email address to be added and click Check Name


9 - Put in the email address and password of the account that you are adding to your mailbox PLEASE NOTE double check the credentials as it may try to use the existing email address


10 - Once authenticated, a line will appear underneath. Now press Next


11 - Click Finish


12 - Open up Outlook as you would normally and you will see the new mailbox. Remember to click the black triangle to expand the mailbox to see the folders.