format the selected cells with the Comma style and no decimal places.
1. Select the cells you want to format.
2. Right-click on the selected cells and choose "Format Cells" from the context menu.
3. In the Format Cells dialog box, go to the "Number" tab.
4. Select "Number" from the Category list.
5. In the Decimal places box, enter 0.
6. Under "Symbol", select "None" for both positive and negative numbers.
7. In the "Separator" section, select "Comma" for both "Thousands separator" and "Decimal separator".
8. Click on "OK" to apply the formatting.
The selected cells will now be formatted with the Comma style and no decimal places.