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 ...

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

If the Excel cell format is not changing to a number because the Number formatting is not working, take these steps to fix the issue.

How to Change to Accounting Format in Excel. The accounting format in Microsoft Excel 2010 is very similar to the currency format---both display the currency symbol next to every number.

Similarly, it's easy to forget to type the currency symbol when you're focusing on the numbers that follow, so using Excel's built-in number format converter is the way forward.

When you use Excel's Chart Wizard to create a chart, by default the chart takes on the number formats used in the worksheet that includes the charted data. Mary Ann Richardson shows you a way to ...