The horizontal bars you would create in a Gantt chart Excel are of varying lengths, but they still represent the timelines of the project. Generally, you would create your Gantt chart Excel template as a chart with horizontal bars. On the Gantt chart template, you would define the order of tasks which require completion. Gantt chart template 10 (34.09 KB) How does a Gantt chart work?Ī Gantt chart is commonly used for project management and its value comes into play when planning your project.