If you have Microsoft Project 2007, you can apply Cell Background Formatting
by doing the following:
1. Click the row ID number of the task you want to format.
2. Click Format - Font.
3. Set the Background Color and Background Pattern values, as desired.
4. Click the OK button.
If you have any version of Microsoft Project previous to the 2007 version,
such as 2000, 2002, or 2003, you can only change the color of the font.
Hope this helps.