How to Add Axis Labels in Excel Charts - Step-by-Step (2022) - Spreadsheeto Left-click the Excel chart. 2. Click the plus button in the upper right corner of the chart. 3. Click Axis Titles to put a checkmark in the axis title checkbox. This will display axis titles. 4. Click the added axis title text box to write your axis label. Or you can go to the 'Chart Design' tab, and click the 'Add Chart Element' button ...