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10 creative uses for Excel's conditional formatting feature

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This rule compares each value in column A to its counterpart in column B. If they're not the same, Excel highlights the value in column A. To highlight the values in column B instead, select the values in column B and update the rule formula to reference the values in column A.

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Susan Sales Harkins is an IT consultant, specializing in desktop solutions. Previously, she was editor in chief for The Cobb Group, the world's largest publisher of technical journals.