How to use Windows Live Mail and Import Outlook Contacts, windows 7 and Vista

 If you need a mail client, install Windows Live Mail which supports messages and contacts from Outlook Express, you can import them into Windows Live Mail. 

Importing your e-mail, contacts, and calendar into Windows Live Mail:
http://www.sevenforums.com/tutorials/3798-windows-live-mail-import-windows-mail-messages.html

Windows Live Mail - Import Windows Mail Messages


How to Import Vista Contacts and Contact Groups into Windows Live Mail
http://www.sevenforums.com/tutorials/3818-windows-live-mail-import-vista-contacts-contact-groups.html

How to Identify Your Windows Mail, Live Mail or Outlook Express Store Folder
http://email.about.com/od/outlookexpresstips/ss/wt101202.htm

The links might reference Windows Vista, but the same principles apply to Windows 7 too.