Sign in with the same student account you used to start the lesson.
Open the class and course that contain the lesson.
Find the lesson with draft status.
Select Resume.
Continue the lesson and submit it when you are finished.
Troubleshooting
If you do not see the draft, confirm that you signed in with the same account you used earlier.
If the lesson is no longer visible or available, ask your teacher whether the lesson is still assigned to your class.
Do not use the browser back button or close the page while a recording, upload, or submission is still saving. For recording help, see audio and video responses.