Microsoft recently announced a developer preview release supporting JavaScript to create custom functions directly in Excel. This addition moves beyond the existing Microsoft Office JavaScript API ...

By enabling JavaScript in Excel, Microsoft potentially opens the door to any number of cyberwoes. HOTLITTLEPOTATO All products featured on WIRED are independently selected by our editors.

Microsoft's Excel team takes to Reddit to answer questions and reassure users that yes, you can open up more than one Excel window at the same time.