Before you blame Excel, check whether your formulas are scanning a million empty rows.

Excel is everywhere—more than 750 million people open a workbook each year to balance budgets, fine-tune supply chains, and ...

Forbes contributors publish independent expert analyses and insights. Dr. Lance B. Eliot is a world-renowned AI scientist and consultant. A new AI trend, loop engineering, involves instructing AI to ...

While Excel is ubiquitous, I prefer Python for my data analysis. Spreadsheets are great for formatting data, but it's Python that's allowed me to build my own super calculator out of regular Python ...

When I first started writing Excel macros, I always had the impression that "arrays seem difficult." In fact, you can build macros without using arrays, and they are not strictly necessary. However, ...

Q. I get a detailed revenue transaction export from the client, and then I get it again, revised, usually after I’ve already filtered, sorted, and documented my selections. I’m tired of reapplying ...

Q. I work with large spreadsheets. These spreadsheets have hundreds or even thousands of rows and often 10 or more columns. It’s so much to process that I become confused and make mistakes. Does Excel ...

To speed up VBA processing, the technique of reading cell range data into an "array" once and then processing it in memory is extremely powerful. So, how should you efficiently and correctly process ...