Once you become a Messages addict, you often wind up with
multiple chats in progress. These days, Messages contains all your
conversations in a single window, as shown in Figure 12-24.
Tip
You can press Control-Tab to switch from chat to chat in a multi-chat window. Add the Shift key
to move the other way.
Figure 12-24. Messages keeps tabs on your various simultaneous
conversations—literally. Click the different tabs to switch chats.
Double-click one to open it into its own window, without the tabs
taking up space.