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The Excel JavaScript Library provides APIs to apply conditional formatting to data ranges in your worksheets. This functionality makes large sets of data easy to visually parse. The formatting also ...

Before we go further, it is important to note that this is just a proof of concept and to even use custom functions in Excel, you first need to be using the Office Insider version of Excel and to ...

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 ...

The Node.js Xlsx CSV Duplicate Remover is a versatile tool designed to efficiently remove duplicate entries from CSV files while offering customizable merge strategies. Clone this repository. Install ...

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 ...

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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 ...

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 custom ...