To access outlook web access in your web browser go to you mail server address \exchange
e.g. http:\\mail.Mycompanyname.com.au\exchange
If you do not have an SSL certificate installed (normally the case) you will get this message:
Select “Continue to this website (not recommended)”
This will take you through to the Outlook Web access login page
Enter your network username and password (what you login with on the computer at work)
This will then open your mailbox in your web browser!