Look2Skype is an Outlook add-in which integrates
Skype IP Telephony and instant messaging into Microsoft Outlook 2000, XP, and
2003. With Look2Skype installed you can make Skype IP telephony calls, SkypeOut
Skype calls to non-Skype users, and start Skype Instant Messenger chats directly
from your contact list and e-mails in Outlook.