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 ...

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 ...

Learn which Excel JavaScript APIs you can call from your custom function. Call Excel JavaScript APIs from your custom functions to get range data and obtain more context for your calculations. Calling ...

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 ...

Microsoft announced at its Build 2018 conference this week -- and in a blog post -- that it was going to add custom functionality locally in Excel spreadsheets through JavaScript. The idea here, ...

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 ...

The questions plaguing users of Microsoft Excel—JavaScript support, slow Mac development cycles, the lack of Easter eggs—all apparently come down to one thing: prioritizing developer resources. The ...