Cross-listing allows you to move section enrollments from individual courses and combine them into one course. In Blackboard this process was called course stacking. This feature is helpful for instructors who teach several sections of the same course and only want to manage course data in one location.
Cross-listing should be done while courses are
unpublished. Coursework is retained with the course, not with the section enrollments, so if a published course is cross-listed, all cross-listed enrollments will lose any associated assignment submissions and grades.
For more information regarding cross-listing in Canvas, please see
this Canvas Community page.