When does it have to be done by?
Due dates can be set on a Checklist either when it is first started from the Start Checklist screen or from the open Checklist itself.
Adding a Due date to an existing Checklist
Use the Calendar Icon to access the Calendar to set a new Due Date:
Update or Remove a Due date for an existing Checklist
To update or remove a Due date open the Calendar panel but using the Calendar Icon or by Clicking on the visible Due Date under the Checklist Name.
Use either the Update or Remove buttons to confirm your action.