This scope lets an app "Add, edit, and delete files and file comments"
This OAuth permission scope works with these Web API methods and Events API events.
files.comments.add - Add a comment to an existing file.files.comments.delete - Deletes an existing comment on a file.files.comments.edit - Edit an existing file comment.files.delete - Deletes a file.files.revokePublicURL - Revokes public/external sharing access for a filefiles.sharedPublicURL - Enables a file for public/external sharing.files.upload - Uploads or creates a file.