REDUCE allows you to iterate through your data, building your result step-by-step, in the same way a loop operates in a ...

Microsoft Excel is a powerful database management tool with all sorts of in-depth problem-solving functions and dynamic formatting. To make the most of it, though, you need to know the basics. Using ...

Columns organize data in Excel, and are often used as categories with headers to sort cells. You can simply right-click on an existing column to add another column immediately before it. To add ...

How to use Excel formulas to compare multi-column lists Your email has been sent Duplicates in the same column are easy to find by sorting, filtering, and using conditional formatting. When none of ...