What if you wanted to add
Categories that described your clients or job? There are two pathways to edit the master list in the Color Categories. From
the Inbox, go to Actions ->Categorize ->All Categories.
If you open a new appointment, the Categorize button will be
on the Appointment Ribbon.
Try it: You can rename the default categories that came with Outlook and add
your own. Make it useful.
Microsoft Outlook 2007 Exam 77-604 Topic: 5. Organizing Information
5.1. Categorize Office Outlook 2007 items by color
5.1.1. Categorize messages, appointments, meetings, contacts and tasks by color:
Create a custom color category