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

Many Microsoft Excel sheets store date and time values. Sometimes the two values appear in the same cell, and sometimes they do not. If you work with dates and/or times, you need a good understanding ...

Q. I often create agendas and schedules with a certain amount of time allotted for each agenda item — for example, 10 minutes for introductions, six minutes for each team to propose their ideas, etc.

Tables, named ranges, line breaks, modern functions, and helper columns make Excel formulas easier to read, audit, and fix.

Have you ever stared at a sprawling Excel spreadsheet, wondering how to make sense of the chaos? For many, Excel formulas feel like a secret language, powerful yet elusive. But here’s the truth: ...

Formulas are powerful tools for performing calculations and analyzing data in Excel. In this beginner’s guide, you’ll learn how to use formulas and explore some popular built-in functions. One of the ...

A new COPILOT function in Excel lets you use AI in a formula. The new skill is now available to Microsoft 365 insiders. Reduces some of the complexity involved in creating formulas. Get more in-depth ...

Constants: This is the fastest way to audit a spreadsheet for errors. It finds every cell that contains a manually typed ...

Daniel Jassy, CFA, is an Investopedia Academy instructor and the founder of SPYderCRusher Research. He contributes to Excel and Algorithmic Trading. Return on investment (ROI) measures the amount of ...