Diarmuid Early won first place in the 2025 Microsoft Excel World Championship. He has some pointers for using Excel at work.

Microsoft Windows may get all the press coverage, but when you want to get real work done, you turn your attention to the applications that run on it. And if you use spreadsheets, that generally means ...

Excel macros let you automate repetitive tasks for substantial time savings. Here’s how to put them to work for you. If you regularly work with Excel spreadsheets, you probably find yourself repeating ...

Microsoft Excel spreadsheets hold more than a million rows of data and automate number crunching, but they can do so much more. Excel’s simple interface lends itself to uses well beyond those that its ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Amy is an ACA and the CEO and founder of ...