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 ...

Block bad data, duplicates, and incorrect dates with these custom rules.

Formulas are powerful tools for performing calculations and analyzing data in Excel. In this beginner’s guide, you’ll learn how to use formulas and explore some popular built-in functions. One of the ...

Have you ever stared at a sprawling Excel spreadsheet, wondering how to make sense of the chaos? For many, Excel formulas feel like a secret language, powerful yet elusive. But here’s the truth: ...

Choose the best way to extract and rearrange your data in Excel.

Many of us fell in love with Excel as we delved into its deep and sophisticated formula features. Because there are multiple ways to get results, you can decide which method works best for you. For ...

Excel workbooks are the next step after you’ve mastered the single Excel spreadsheet. Going back to the ledger idea we used in our Excel spreadsheets guide, think of the workbook as the ledger (or ...