Ten Things You Can Do after You're Comfortable with Outlook 2013
Select dates as a group.
When you're viewing a range of dates, you don't have to limit yourself to fixed days, weeks, or months. Suppose that you want to look at a range of dates from September 25 to October 5. On the To-Do bar, click September 25 and then (while pressing the Shift key) click October 5. All the dates in between are selected and appear in the Information Viewer.