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 ...

Microsoft's Excel program, widely used in business, comes with many built-in functions that perform mathematical and logical operations on spreadsheet data. In Excel, functions are simple formulas you ...

If you need to calculate dates in your spreadsheets, Excel uses its own unique system, which it calls Serial Numbers. Every date (month, day, year) and time (hour, minute, and second) has an ...