Padding Numbers In the previous example you saw that we can format numbers and force then to display a fixed number of decimal places. The 0.00 part of the custom format makes this happen. For example ...

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

When you type a seven-or-ten-digit phone number into an Excel cell that uses the phone number format, Excel will automatically change the way the number looks so that it appears as a phone number.

How to Format Fractions to Percentages in Excel. The cells in a Microsoft Excel spreadsheet can hold various types of numerical data, including fractions and percentages.