There are many ways to make a bar graph in Excel. The most common way is to use the bar chart function. To do this, you first need to select the data that you want to use for your graph. Then, you need to go to the insert tab and select the bar chart icon. This will open a new window where you can select the type of bar chart that you want to create. After you have selected the type of bar chart, you will need to select the data range for your graph. Then, you can select the options that you want to use for your graph. Finally, you can click on the insert button to create your graph.