Microsoft Excel displays the error "Cannot extend list or database" when your data set is not as continuous, and shows the error message to avoid overwriting existing ...

The "Unpivot" button inside Excel's Get Data feature is a hidden superpower. It can turn a tedious, error-prone task into smooth, automated workflows. No more copy-pasting, no more manual rearranging ...

Inserting a pivot table in a sheet in Excel 2013. Image: Screenshot by Susan Harkins/TechRepublic When is the last time you opened Microsoft Excel to do some data science? If it's been a while, you're ...

How to use Excel’s Data Model to turn related data into meaningful information Your email has been sent Excel's Data Model feature allows you to build relationships between data sets for easier ...

Handle millions of rows by loading queries into Power Pivot, building relationships, and creating measures for fast variance ...

It's time to dump the pie charts and move to donuts or even waterfalls to show off your data in ways people can better grasp. Have you noticed that people groan when you pop open a spreadsheet to ...