The Excel Not function is a built-in Logical function in Excel, and its purpose is to reverse the logic of its argument. Learn how to use it.

On Monday, the company announced that its Copilot AI is now available as an Excel function for Microsoft 365 insiders. That means you can add COPILOT to a formula and then use natural language in a ...

Learn how to calculate the net present value (NPV) of your investment projects using Excel's XNPV function.

This month’s column shows how to use the remarkably versatile AGGREGATE function in Excel.