By default, clicking the People button in the _____ displays the contacts in the Microsoft Outlook window.

A) Navigation bar
B) Account Settings pane
C) People pane
D) Reading pane

The Navigation Bar is the bar on the left-hand side of the Outlook window that includes buttons for Mail, Calendar, People, and Tasks. Clicking the People button will display the contacts in the Navigation Bar, not the People pane, which is a separate feature. The Account Settings pane and Reading pane are also separate features that are not directly related to the display of contacts.