How to add or move data labels in Excel chart? - ExtendOffice In Excel 2013 or 2016. 1. Click the chart to show the Chart Elements button . 2. Then click the Chart Elements, and check Data Labels, then you can click the arrow to choose an option about the data labels in the sub menu. See screenshot: In Excel 2010 or 2007. 1. click on the chart to show the Layout tab in the Chart Tools group. See ...