Group Bar Style
There are 3 different styles of appearance for the main Group Bar that is docked on the left side of the main window:
Category: The Category style is the default and the style shows in the following picture:
Task List: The Task List style is a little more austere in appearance:
Outlook: This last style is the Microsoft standard and appears as follows:
The outlook style is the most conservative on space usage and will be a good one to use if you don't have lots of screen space on your PC. Whatever style you select will remain persistent through your sessions.