Enable instructors to turn off Address Book in courses Enable the following form elements:CourseInfo > Address BookCourseOfferingInfo > Address BookCreateCourse > Address Book In the Roles and Permissions section, for the Email tool, give applicable instructors the Can Enable the Course's Address Book permission at the course offering level. Disable your Address Book Do one of the following:In the course that you want to make changes to, click Course Admin > Course Offering Information.From the Admin Tools menu, click the Course Management link to search for the course that you want. Click the Offering Name. Clear the Show course address book check box.