Microsoft Outlook 2010 lets you keep track of your social contacts right from your inbox. The pane in which you keep track of your social network sites and contacts is called the People Pane and it is located under the main reading pane.
Here is what the People Pane looks like:
You might have noticed that it does take up a large amount of the screen, so your preference may be to minimize or completely disable this functionality. Here are the steps to disable this Pane.
Go to the View tab on the main menu and locate the People Pane.
Now click the People Pane drop down button and choose the Minimized option or the Off option depending on your requirement.