Change the color of cells in one column when they don't match cells in another column
I want to check if the values in one column are the same as values in another column. Whenever the values are not the same, I would like to change the color of these cells. For example: Column I, Column AA both have the value of a the first month in years from 1318 till 1500 "Arabic Calender" but I want to check which of these values doesn't match and color them with yellow for example. In this case, both cells in row 3 should have a different color after the checking operation. Is there a way to do this? Select your range from cell A (or the whole columns by first selecting column A). Make