Assuming you've installed Outlook, you must create a profile for it to use.
Use the mail applet in the control panel to do this.
You must also have an ISP that connects you to the internet and an email
account.
Set up the email account as per the instructions you'll find on your ISP's
website.
Once you're connected to the internet, you should be able to open Outlook to
send and receive emails.
If you have further questions, please don't hesitate to post back.