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 Enter a Subscript in Excel. Properly formatting expressions such as "H2O" in your Excel spreadsheet requires the use of subscripts. Subscript formatting makes a letter or number appear ...