With DigiExam you have the option to reuse questions or sets of questions from past exams.
Create a new exam or edit an existing exam
Create a new exam to add existing questions to or edit an existing exam (see figure 1).
Select the drop-down arrow
Find the exam you want to reuse questions from. Select the drop-down arrow next to the exam title (see figure 2).
Select the questions
Select the questions you would like to be use by ticking off the appropriate boxes (see figure 3).
Add the questions
Select the "Add selected questions" button (see figure 4). These questions will now be added to the end of the exam you are working on.