Sign into your Admin account
From the Navigation menu at the Left side
Press on Focus insights > Courses

Press on the Number of Teachers assigned to the required Course to View the Teachers names
Press on the Teacher name

Now you are redirected to the interface of the Teacher

Press on Content
Choose the Topic, subtopics and lesson
Press on Lesson name

Now, you have the content :
Under the Details tab
You will find all the files sent to the students
Beside the file name, Two icons are found :
- Edit icon , from which you can make changes to the file
- Delete icon , from which you can Delete the file it self
Note: Creating, Editing and Deleting Content is done from Course Level (Not from Class Level)