You can select different themes to change how the windows appear. The borders, colors, highlighting, and shadowing of standard buttons, dialogs, and windows are controlled by which theme is selected.
 Office 2007 Blue |
 Office 2007 (Blue Style) |
 Office 2007 (Black Style) |
 Office 2007 (Silver Style) |
 Office 2007 (Aqua Style) |
 Windows 7 |