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 Increment a Number in Excel. Product IDs, serial numbers and other reference numbers require a unique identifier to avoid confusion when referencing a product or specific data point.

Entering fractions in Microsoft Excel isn’t exactly intuitive, but it is easy. Learn how to enter and display fractions as either fractions or as decimal values.