Excel offers many different chart types—including column and bar graphs—to present your data. However, you don't have to settle for the preset column and bar layouts. Instead, you can swap ...

In a bar graph, the chart represents the data as horizontal bars along two axes. ... Once you've changed your top toolbar to "Insert," click on the Bar Chart icon.

Click the Bar chart icon and select the option Categories in the reverse order under the subheading Axis Position. Your Gantt Chart is ready. Read : Best Free Online Gantt Chart Maker Tools .