Showing in cell bars is not the end of the Data bar technique it has many more techniques in it. This is automatically picked by excels conditional formatting only. The highest value has the largest bar in this group the least value has the short bar. Step 5: Now, we have a beautiful bar inside the cells. Here we have two different categories to highlight select the first one. Select Conditional Formatting and then select Data Bars. Step 3: Select the number range from B2 to B11. Follow the below steps to add data bars in Excel. We will add excel Data bars for this data which shows the bars inside the cell along with the numbers. But wait, we have more interesting graphics which shows the bars inside the respective cell itself I am sure you will be amused at seeing them.