The Excel Services REST and SOAP APIs introduced in SharePoint 2010 are SharePoint only, but with the Excel Services JavaScript API you can work with embedded workbooks on a host web page — from ...

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

“For maybe 98% of the times that you type a formula in Excel web, we’re able to do the calc right there client side using the local JavaScript calc engine, as opposed to having to go to the ...

However, you don’t need to be familiar with JavaScript to use Office Scripts. As an Excel for the web user, you’ll want to use Office Scripts anytime you often repeat the same task.

This is shown in the image below where we see Microsoft Excel Web Content, which is the hidden browser with CoinHive loaded, utilizing 206% of the computer's 4 cores.

The web-based Excel add-ins run inside a browser container that is embedded within the Office application on desktop-based platforms such as Office for Windows and runs inside an HTML iFrame in ...

What's new for Excel for Windows, Mac, and web Copilot is currently one of Microsoft's major focus areas. Not only is the company adding new features to the Copilot app across devices, but it is ...

Excel's JavaScript leverages the same Chakra JavaScript engine used by the Microsoft Edge web browser. This addition brings some parity to Google Sheets which already supports JavaScript within ...

The problem, the Excel team said, is that Microsoft now has to support several platforms—Windows desktop, Windows mobile, Mac, iOS, Android, and the Web, among others—which implicitly prevents ...