If you want to add labels to the bubbles in an Excel bubble chart, you have to do it after you create the chart. Mary Ann Richardson explains what you need to do to add a data label to each bubble.

To change all data labels, click anywhere in the chart. To modify all labels on either the x or y-axis, click anywhere within the data series. To modify a single data label, click on the data label.

Excel Ideas helps you extract the key information from a spreadsheet, but there's currently a limited range of insights available and some data formatting may be required.