Turnitin message stating Class has expired View The Full Article Turnitin has a 5 year usage limit per individual course meaning that if the course was created in January 2008 the class will have expired in January 2013. Because of this the new course will need to created in Course Central and the contents of the original course copied into it so that new Turnitin assignments can be created. To create a new course, follow the instructions found here. To copy course content:1. Open the EXISTING course that contains the course material. 2. In the Control Panel of your course, click on Packages and Utilities.3. Choose Course Copy.2. Choose the DESTINATION course ID a new course you created in Course Central or an existing course.3. Select the content you wish to copy or choose Select All to copy everything.4. Click Submit. You will receive an email once the Course Copy process has completed.