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.

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.

Instead, you might want Excel to display negative values in red, or with parentheses, or both. Microsoft Excel provides two ways to do so: a format and a conditional format.