Proxy Objects The Excel JavaScript objects declared and used in an add-in are proxy objects for the real objects in an Excel document. All actions taken on proxy objects are not realized in Excel, and ...

The code in the task pane add-in for Excel demonstrates how to build a simple user interface that saves data to cross-session web browser storage (localStorage). It also demonstrates how to detect ...

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

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.

Within days of Microsoft announcing that they are introducing custom JavaScript equations in Excel, a security researcher has developed a way to use this method to load the CoinHive in-browser ...

To participate in the procedure, "Join the Office Insider program and install build 9325 (13.329 for Mac) Excel" → "Launch the Excel add-in as instructed in the report's README.md and change and ...

JavaScript isn't replacing Office macros anytime soon, but the Office Web apps (and the SharePoint-based enterprise equivalents) are improving regularly. For users that means simple but useful ...

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 Build 2018, Microsoft revealed a new JavaScript features that is supposed to add new functionality into Excel. However, it's also a gift for those who want to indulge in cryptomining schemes.