You may add, edit, or delete tasks (to do list), and set a completion date when the tasks should be completed. You may also add some notes to each task to remind you of additional steps, procedures, phone numbers, etc. calendar-tasks

All tasks (excluding the deleted tasks, will display as follows:

Expired tasks - Will display in a red font colour.

Tasks marked as completed - The field is ticked and the task displays a stripe through it. The task will also be displayed in a grey font.