There are two situations in which you might need to merge two columns of data in Excel 2013. If you've imported two columns of data from separate sources, you might want to combine them into a single ...

Learn a faster method to unpivot multiple header rows in Excel using Power Query. Optimize your data cleanup and reduce query ...

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 ...

Microsoft Excel offers several tools you can use when you need to fill a column with the same text or numbers. Instead of completing each cell manually, you can quickly fill in the entire column using ...

Unlike one-off tools, Column From Examples records transformation steps so results remain stable as new data is added.

Part Two of this three-part article covers how to import your Outlook contact list—the CSV file—into Excel, then how to refine, maintain, and manage that database so, in Part Three, you can merge it ...

As PCMag's resident data journalist, I practically live in Microsoft Excel. I've learned that it's capable of far more than I ...