A knowledge base article about What can I do with the Box app in bCourses? provided by the UC Berkeley IT Service Hub - Knowledge Portal
If an instructor has enabled the Box app in their bCourses site, you will see a link on the Course Navigation Menu that you can click on to see your own Box account and access any files that are in your Box account. Box will also appear in the Rich Content Editor so that you can link to files in your Box account, and it will appear as an option for students when they are Submitting an Assignment. The images below show where the Box app appears in bCourses.