Outlook Express is an Internet standards based e-mail client and news reader. To read e-mail with Outlook Express, you must be using a mail system that uses SMTP and POP3, IMAP, or HTTP protocols. If you don't know whether your e-mail system supports Outlook Express, contact your administrator or your Internet service provider and ask if they support POP3, IMAP, or HTTP mail clients. You can use Outlook Express to read newsgroups, or discussion groups, such as the Usenet, by using NNTP-based news servers. Outlook Express also includes Windows Address Book version 5.01, which provides rich contact management capabilities, including the ability to create groups of contacts and folders to help you organize your e-mail and personal addresses.
Internet directories are an easy way to find e-mail or street addresses.
A number of popular Internet directories are pre-configured for easy access. You have the ability to integrate multiple account to the same inbox. You also Can have different users with passwords so the whole family can use the same e-mail client without deleting or reading mail that doesn't belong to them. The Address book can either be global or local. You can send a blind carbon copy and tons of other interesting stuff that you never thought of.