You can add detail by creating subcategories within a category.You can customize the Category List by creating categories of your own and deleting or hiding categories that you don't need.Select if this is going to be an Income or Expense type, or if it will be a Subcategory of a broader parent category.Type in a Category Name and Description.Choose New Category, which is located at the upper right of the Category List window.From the Quicken Tools menu, choose Category List.