1. Go to Start > Control Panel > Mail > Show Profiles and click Add. You will see the New Profile window. Type a profile name and click OK.
2. Type your name, primary email address, and your mailbox password twice, then click Next.
Read the Knowledge Base article on What is my username and primary email address for my Exchange 2007/2010/2013 mailbox? for more information.
3. You’ll then might be prompted for your user name and password. Enter your primary email address in the User namebox and type your mailbox password.
4. Outlook 2007/2010/2013 will now discover your email server settings and configure itself to connect to your mailbox. Once it’s completed, you can click Finish. Now you can open your new profile in Outlook 2007/2010/2013.