By default, monthly calendars appear at the top of the To-Do Bar. These calendars are known as the Date Navigator.
You can use the arrows on the Date Navigator to move to and display the next or previous month. Also, from any view in Outlook where the To-Do Bar appears, you can open the calendar to a specific date by clicking that date on the Date Navigator.
To turn on or off the Date Navigator, do the following:
On the View tab, in the Layout group, click To-Do-Bar.
Click Date Navigator.
By default, one calendar appears in the Date navigator. You can change the number of calendars that appear horizontally in one row by increasing the width of the To-Do Bar.
Point to the edge of the To-Do Bar. When the pointer changes to , drag left or right to increase or decrease the width of the To-Do Bar.
When you release the mouse button, the number of calendars increases or decreases to fill the available space.
By default, only one row of calendar months appears in the Date Navigator. To change the number of calendars that appear vertically, do the following:
In any Outlook folder, on the View tab, in the Layout group, click To-Do Bar and then click Options.
Under Show Date Navigator, in the Number of month rows text box, type a number from 0 to 9.