Microsoft Excel's Data Validation tool lets you add a drop-down list to a cell based on existing data in a column. However, how this works depends on whether the source data is part of a formatted ...

Use Excel data validation to prevent duplicate values in a column Your email has been sent Prevent duplicates before they happen by combining a simple function with data validation. Excel has built-in ...

Quit the data-search struggle by organizing your raw data into a Microsoft Excel spreadsheet. Rather than manually scrolling through a list of disorganized records, use Excel's built-in tools to find ...

Data is rarely properly formatted and structured when you import it. Try these eight tips for fast data cleanup in Microsoft Excel. Data comes in from an increasing number of sources these days. For ...