Live (MSN, Hotmail) contacts importing in c#

Also it's simple to make Live Contacts importing .NET class.

Microsoft provides public REST API to user contacts.
You should get TicketAcquirer class from http://msdn2.microsoft.com/en-us/library/bb447721.aspx

Read details and sample:
http://msdn2.microsoft.com/en-us/library/bb463989.aspx

Main developer page for Live Contacts: http://dev.live.com/contacts/

Thanks for reading,
Gnilly