Cindy Kwan has posted how to manage the contact list in Ofice Communicator 2007 .
The contact list in Office Communicator (OC) 2007 has a very similar look and feel to lists in other instant messaging clients. However there are some fundamental contact list differences between Office Communicator and other IM clients. I would like take this chance to talk about the structure of the OC contact list and provide some tips for organizing it.
Read more at source: http://communicatorteam.com/archive/2008/03/13/122.aspx