 You are going to learn how to group rows and column. First select the rows which you are going to group it and right click on it, then select group rows in that option. Now you can see that the rows you have selected is grouped, in similar way you can add as many group you want. As like you did in the rows, you can also group columns by just select the columns which you are going to group it and right click on it, then select group columns. Now you can see that the columns you have selected is grouped.