Learn why the Excel AGGREGATE function fails with arrays and how to fix value errors using helper columns or dynamic LAMBDA and BYROW formulas.

"I'm still not good at Excel functions." There are so many company presidents who confess that to me. But you don't need to relearn functions anymore. In 2026, you just need to tell ChatGPT in ...

Today, I created meeting materials. The deadline was today. Progress was at 10% as of this morning. It was a desperate start. But I finished. At 10:30 PM. In the process, I made full use of Excel ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

The SUBTOTAL function in Excel is a powerful alternative to SUM, AVERAGE, and MIN, particularly when working with filtered data or hidden rows. Unlike SUM, SUBTOTAL adjusts dynamically to display only ...

A workbook is an Excel file that contains one or more worksheets. A worksheet is a single spreadsheet within a workbook where data is entered and analyzed. The VLOOKUP function searches for a value in ...

Q. Traditional PivotTables have always intimidated me. I see there is a new Excel function called PIVOTBY. What is the difference between it and the traditional PivotTable? With the PIVOTBY function, ...

Q. Could you explain how the AGGREGATE function works in Excel? A. AGGREGATE is possibly the most versatile function in Excel. Think of it as an advanced version of the SUBTOTAL function that offers ...