Whole-column references in Excel are silent performance killers, often forcing the program to manage a range of over a ...

Some of Excel’s most powerful modern features simply do not work inside tables. Dynamic array formulas, often called spill ...

iPhone and Apple Watch users can now add their passports to their devices and use them at select airports, thanks to this new feature. Blake has over a decade of experience writing for the web, with a ...

Daniel Jassy, CFA, is an Investopedia Academy instructor and the founder of SPYderCRusher Research. He contributes to Excel and Algorithmic Trading. Robert Kelly is managing director of XTS Energy LLC ...