Items in the Files & Discussions tab can be deleted and sent to the Trash from the folder view or when viewing a single file. Once a file has been sent to the Trash, it can either be deleted permanently or restored back to file.
To delete a file from a folder list view, select a file and click on the Trash.
To delete a file from the file preview mode, click on More > Trash.
Once a File has been moved to the Trash, it can be permanently deleted to free up storage space. You can permanently delete a file by selecting the file and clicking on the Trash icon or selecting Empty Trash. Empty Trash will delete all items in the Trash.
To recover a file from the Trash, select the file you want to restore, then click on the restore button. The Files will be restore back to their original location.