Hi Federico,

To create a bubble chart with names in the X and Y axis instead of numbers, you can follow these steps:

1. Enter your data in a table with the following columns: X-axis name, Y-axis name, and bubble size. For example:
   
   
   Formula:

   | X-axis name | Y-axis name | Bubble size |
|-------------|-------------|-------------|
| a           | b           | 23          |
| a           | c           | 34          |
| a           | d           | 12          |
| b           | a           | 12          |
| b           | c           | 111         |
| b           | d           | 15          | 

2. Select the entire table, including the column headers.
   
3. Click on the "Insert" tab in the ribbon.
   
4. Click on the "Insert Scatter (X, Y) or Bubble Chart" button.
   
5. Select the "Bubble" chart type.
   
6. Your chart should now be created with the X-axis and Y-axis labels showing the names you entered in the table.
   
7. To format the chart, you can use the "Chart Design" and "Chart Format" tabs in the ribbon. For example, you can add a chart title, change the axis labels, and adjust the bubble sizes.