How to access another user’s shared Exchange/Outlook mailbox using OWA For PDA
Here, I will show how you can access another user’s mailbox on your mobile device or cellphone by using OWA For PDA (you will, of course, need to have been given the correct permissions to do so).
Your normal OWA For PDA access URL will be something like
To open another mailbox, you need to go direct to the MSL.aspx page, and supply a querystring parameter named mb0, making it equal to the account name of the other user whose mailbox you wish to open (I have used the name Max Quad in my example), like this:
If all goes well, you should see the other user’s inbox listing.