As a student in the College of Dental Medicine you will have at least 2 different ExamSoft accounts: ColumbiaDental and ColumbiaMed. Make sure you are in the correct school account by going to Menu>Switch Accounts>Add New Account. Both accounts are connected through UNI authentication.
If you have taken a course at another school that uses Examplify you will have to make sure that you are in the correct account: ColumbiaMed. To do this you will go to Menu>Switch Accounts>select ColumbiaMed legacy account.