This article was written by MysticGeek, a tech blogger at the How-To Geek Blogs.
you could also right-opt for To-Do bar to choose which options you want to show.
I wanted to show the calendar and task list, but didn’t want to see the appointments.
I find this feature alone incredibly useful.
The task will then appear under the Today column.
Marking Tasks Complete
To mark a task complete, simply left-grab the red flag.
You could also right-click to quickly change the due date or add a reminder.
To customize the category list, you might right-smack the categories and then choose All Categories from the menu.
Hovering your mouse over a to-do list entry will show you all the most important information for a task.