Formatting the X axis labels
- Click Chart Formatting (the paintbrush icon). The Chart Formatting panel opens.
 - Click the X-Axis tab on the left side. The X-Axis formatting panel opens.
 - At the top of the panel, you can use the X-Axis toggle to turn the X axis on or off. When it is off, it does not show on the chart.
 - Update the font face, font style, font size, font color, or font highlight of the X axis title.
 - Scroll down to the Tickmark Labels section to change the font face, font style, font size, font color, or highlight of the X axis tickmark labels.
 - Scroll down to change the values in the Axis color or Axis thickness fields for the X axis baseline rule, or switch the Axis toggle off. For example, here is a yellow color, XL thickness baseline:

 - If using a date type on the X axis, select a format from the Date Formats options.
 - Click Done.