2] Using custom formatting You can create your own custom format in Excel to highlight negative numbers. Select the range of cells containing the numbers. On the Home tab in the Numbers group ...

To ignore all numbers stored as text, you need to open the Data tab and select the Text to Columns option. Then, select the Delimited option from the Convert Text to Columns wizard.

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 ...