Email is a fast, convenient, and cheap way to exchange written messages and files over the internet. Windows Live Mail (formerly Outlook Express) lets you send and receive email, as well as manage your contacts and calendar. You can communicate with anyone who has an email account. Your recipient doesn’t have to have Windows Live Mail, or even Windows, to read and reply to your messages; any email program can talk to any other one.
The bigger brother of Windows Live Mail is Outlook, in the Microsoft Office suite. Outlook is a complex program that manages your email, schedule, meetings, contacts, and more.