Using data from Excel Web with JavaScript; explanations from the new Excel Mashup site The desktop Office apps have been connecting to Office servers for years now, from the original Project ...

The ability to automate tasks in Excel for the web has been a long wait—but it’s finally here, and it was worth the wait.

Microsoft recently announced a developer preview release supporting JavaScript to create custom functions directly in Excel. This addition moves beyond the existing Microsoft Office JavaScript API ...

Microsoft has announced support for JavaScript custom functions in Excel, researchers show concern over security.

Handle criteria more like Excel The functions that take a criteria -- like COUNTIF and COUNTIFS -- were evaluating the criteria expression as javascript, but it's not. Excel evaluates it using a much ...

Excel Formula Utilities for JavaScript Excel Formula Utilities for JavaScript is a library that can be used to pretty print excel formulas or convert excel formulas into JavaScript. The JavaScript ...

Microsoft has brought in Office Scripts for Excel on the web and pushed out the XLOOKUP function, a replacement for the well-used VLOOKUP, to both web and desktop versions of the spreadsheet program.

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

If you haven't tried Excel on the web in a while, you might be surprised by how many of your demanding spreadsheets will now run on any device with a browser.