Shortly after Microsoft announced support for custom JavaScript functions in Excel, someone demonstrated what could possibly go wrong if this feature is abused for malicious purposes. As promised last ...

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 ...

Javascript custom functions are now supported in the Insider program's Excel (build 9325) so that developers can extend Excel's built-in function set. Security researcher Charles Dirderman immediately ...

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Earlier at the Ignite conference, Microsoft announces plans to release an update to Excel by bringing a new JavaScript API to the spreadsheet app. Microsoft says with the new API addition, developers ...

This is a simple Excel parser in JavaScript that allows you to read and parse data from Excel files. The parser uses a third-party library called xlsx to handle the Excel file processing.

Microsoft has added the ability for users to create custom Javascript functions in Excel spreadsheets, creating concern among security experts. According to Excel program managers Michael Saunders and ...

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. Once ...