Plus > Preferences > Conversations > Tabbed Chats..untick "Group all my chats in a single tabbed window" (current conversation windows will stay in the tabbed window...new ones won't).
Tabbed messaging how do I get rid? - by Steboyuk on 10-11-2007 at 09:03 PM RE: TABBED MESSAGING HOW DO I GET RID? - by Sunshine on 10-11-2007 at 09:10 PM