in the
top panel and choose User Options.These steps will override the application settings for planning formats that have been defined by your administrator. If you want to return to using application settings for planning formats, deselect the checkbox during step 2 below.
1. Right-click
the Settings button in the
top panel and choose User Options.
2. Select the Override Planning Format Update checkbox in the User Options window:
Click the Browse button
to open the Select
Format window.
Deselect the Viewer Default checkbox for the formatting property(ies) that you want to customize, then make changes using the applicable controls for the property. You can customize the Background Color, Font Color, Font Style, Font Weight, and Font Effect. Controls for changing are enabled only when their Viewer Default checkbox is disabled.
To return any property to the Viewer Default, select its Viewer Default checkbox.
3. Save 
the
changes.