The Categorize Plus Category Editor can be
docked on the left or the right side of the main Outlook window when using Outlook 2016, 2013 and 2010, and can be
docked in the Outlook Navigator or in the Item List when using either Outlook 2007 or 2003. In addition, when
using Outlook 2007, the Category Editor can also be docked in the To-Do Bar. The flash movie below
demonstrates how to move the Category Editor between the various docking locations in Outlook 2007.