Installation Administration -> Global Categories
Global categories are available in all address books within the installation.
To create categories only in a particular address book visit the
under that address book's administration page.
From this page you can add a new global category, rename existing global
categories, or delete existing global categories. To create a new global
category type in the new category name and press the "Add New Category" button.
Category names must be between 1 and 15 characters long, and can consist of any
character except a comma.
To rename a category, edit the displayed category name(s) and press the
"Save" button. To delete a category select the "Delete" option next to
that category, and press the "Save" button.