You can make a bar graph in Excel by first selecting the range you want to depict, and then using the dropdown menu to select the desired chart.

Two-sided graphs start with a normal, one-sided graph. By selecting all three columns of data, you can select the type of chart from Excel's Insert tab. The most useful selection is a bar chart ...

Click the sheet tab in Excel for Mac 2011 that contains the chart you need to format. Double-click any bar in the column chart to open the Options panel.