Highlight cells that meet specific conditions
Select the cells you want to highlight.
On the Format menu, click Conditional Formatting.
Do one of the following:
To use values in the selected cells as the formatting criteria, click Cell
Value Is, select the comparison phrase, and then type a value in the
appropriate box. You can enter a constant value or a formula. If you enter a
formula, you must start it with an equal sign (=).
You can use colors in the dialog box.
