This will be useful info for IT admins only, others might find it uninteresting. You have been warned. ;-) Today, we have made a few changes in ADX (Accudemia’s import tool) and in Accudemia. The most important change is that the CRN and Class Name no longer have to be unique across semesters. Those 2 fields still need to be unique only within the same semester. That means that you can import a class with the same name, the same postfix, the same Registration Number and the same schedule in 2 different semesters. Please note the following things: The Class Short Name still must be unique for the semester. That means that you cannot have 2 classes named “MAT-101 - Intro to Math”. This is mainly to allow users who don’t have a CRN to import only the class names. ADX will be updated the next time you open it. If you want to import data for a semester that has not started yet, then you need to a “Semester” column with the name of the semester you want to import the data to.