At the Build 2018 developer conference that's taking place these days in Seattle, USA, Microsoft announced support for custom JavaScript functions in Excel.

In the well-established Office Ready-Fire-Aim tradition, Microsoft adds two new “features” that beg to be abused. Details appeared at Build, and the bad guys already have their keyboards primed.

Enabling JavaScript should make Excel more powerful, but increasing access points makes it even more of a web security nightmare than it already is.

At its Ignite conference, Microsoft today announced an update to Excel that brings a new JavaScript API to the venerable spreadsheet app. With this new API, developers will be able to create ...

The OnlyOffice Spreadsheet Editor feature list compares favorably with Excel, including pivot tables, formulas, JavaScript macros, visualization tools, in addition to the collaborative benefits of ...

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.

an Excel function to make it all happen. First, to be clear, in these examples, I made no changes to the formula. It was always =sum(A1:B1). All I changed was the contents of cell A1.