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. If ...

How to force a consistent phone number format in Microsoft Excel Your email has been sent Combine an Excel custom format with data validation and remove the pressure ...

on a worksheet, but the same values may look awkward in an Excel chart. By default, charts use the same number format as the worksheet’s original data series. The good news is you do not have to ...