› blog › gantt-chart-excelFree Gantt Charts in Excel: Templates, Tutorial & Video ... Mar 04, 2019 · 11. You can further customize the chart by adding gridlines, labels, and bar colors with the formatting tools in Excel. 12. To add elements to your chart (like axis title, date labels, gridlines, and legends), click the chart area and on the Chart Design tab at the top of the navigation bar. Select Add Chart Element, located on the far left ...