Here's how to format a cell in Microsoft Excel using your Windows or Mac computer. To format a cell in Microsoft Excel, select the cells. Then, select a new font style, size, color, or background. You can also apply Bold, Italic, Underline, or Alignments. Open a workbook in Microsoft Excel.
When we format cells in Excel, we change the appearance of a number without changing the number itself. We can apply a number format (0.8, $0.80, 80%, etc) or other formatting (alignment, font, border, etc).