In order to prevent accidental deletion and loss of data, it is not possible to delete a folder that contains assignments, lessons, or courses. Therefore, in order to delete a folder, you must first delete all the assignments, lessons, and courses it contains.
First, open the folder you wish to delete by clicking on it from the home page:
Next, check all the assignments within the folder by clicking the radio button in the top left of the assignments table:
Next, click the "Trash" icon to delete the selected assignments. Please note that this action cannot be reversed and it will also delete all connected submissions:
Next, navigate to the Lessons pane:
Next, check all the lessons within the folder by clicking the radio button in the top left of the lessons table:
Next, click the "Trash" icon to delete the selected lessons:
Next, navigate to the Course page and delete the course (if one exists) by clicking the trash icon in the bottom left corner of the page:
Finally, you can delete the folder by choosing the "Delete" option from the Folder Settings menu: