You can make changes to existing content items on your Course Content page. In an item's row, select the three dots to access Edit and Delete.
To edit or replace files, select the three dots on the right-hand side of the item you wish to work with. This opens a panel that allows you to edit:
If you delete a folder or learning module that has content, the content is also removed from the Course Content page. You can hide content from students to preserve the information without removing it from the course.
Select Hidden from students drop down under the folder title. Select Release Conditions to set Date/Time to the day before the semester begins and set the time for 11:59PM est.