1. Before you start, you need to be as the teacher role of the specific course.
  2. Go the View all assignment page of the specific assignment.

  3. If the assignment is set with a Cut-off date which expires, you need to grant time extension to those students on behalf of whom you want to upload submissions. Otherwise, skip this step.

  4. Go to Edit submission page to upload submission on behalf of the students.

  5. If you want to prevent re-submission from the students, remember to Prevent submission changes or disable the extension you did in the previous step.