These newbie mistakes are uncalled for because Excel placed several number formatting options front and center in the Number section of the Home tab: Click for larger image.

Learn how to format & display Currency in Excel to display numbers as monetary values, by applying Currency or Accounting number format to cells.

Learn how to format numbers in Thousands, Millions, and Billions in Excel and Google Sheets. Use number Formatting to convert numbers.

If you change the format of empty cells, any numbers you type in those cells are converted to percentages automatically.

Conditional formatting highlights key information in a spreadsheet so it’s easy to see at a glance. This beginner’s guide gets you started using conditional formatting.

Open an Excel spreadsheet and select the range of cells into which you'd like to add large numbers. Right-click one of the cells and click "Format Cells" to open the Format Cells dialog window.

The “Format Cells” dialogue box allows advanced customization, including decimal precision, currency symbols, and custom number formats for tailored data presentation.

Excel's conditional formatting lets you formats cells based on the value of those cells or their formulas. Learn the basics of this amazing feature.

Combine an Excel custom format with data validation and remove the pressure for input perfection from personnel by letting Excel do the work.