Data validation in Excel lets you restrict what can be entered into a cell, whether whole numbers, decimals, dates, or a certain number of characters. However, one of the most powerful capabilities of ...

Sometimes when I’m working with an Excel worksheet and I want a cell to look a certain way, I run into what appears to be a limitation in the program. It might be trying to enter product numbers with ...

To create data bars in Excel, select your cells and then choose data bars from Conditional Formatting. Data bars are a kind of conditional formatting, with the bar length based on the value of the ...

All the cells of negative numbers will become red, while the positive numbers will remain the same. You can create your own custom format in Excel to highlight negative numbers. Select the range of ...

Calculate the difference between two values in your Microsoft Excel worksheet. Excel provides one general formula that finds the difference between numbers, dates and times. It also provides some ...

Product IDs, serial numbers and other reference numbers require a unique identifier to avoid confusion when referencing a product or specific data point. Although you can manually enter unique numbers ...