The Drop Box feature allows instructors and students to share documents within a private folder for each student. The Drop Box works like Resources to allow you to upload many types of files and many files at a time. The Drop Box also allows nested folders (folders within folders).
Progress reports: Instructors can use the Drop Box tool to provide private progress reports to each student in the class.
Adding participants: When you add participants or students to a worksite, either automatically or manually, they will have Drop Box folders by default (if the Drop Box tool was specified when the site was first created).