WordPress How to Create a List of All Categories and PostsApril 10, 2013 by Pat FortinoIf you want to add some intro text above the category list, enter text in the WordPress editor box.From the Template list in the Page Attributes box, select Category List to assign the Category List template to the new page. Save the new category list page.Go to Appearance > Menus and add the category list page to the menu and the click Save Menu.View the new Category List page. It should look like the following image. You can edit the css if you want to change the formatting on the page. Also see How to Add a Responsive Menu to WordPress Twenty Twelve TemplatePages: Page 1 Page 2 Page 3