While Microsoft has previously added new ways to extend Office for developers, the software maker says it's not touching add-ins or macro abilities in Office 2016, leaving things the same way for existing documents. Microsoft is improving Outlook 2016 search, storage footprint, and email delivery performance, alongside some improvements to image insertion in Word 2016 and Excel 2016. 'This early build doesn’t yet contain all the features we’re planning to ship in the final product,' explains Microsoft's Kirk Koenigsbauer, but you'll get a close look at what's coming alongside monthly updates until Office 2016 ships later this year.īoth previews available to download today Starting today, the software maker is launching an Office 2016 preview aimed at IT professionals and developers. A leaked version of Office 2016 gave us an early look at a new colorful theme early today, and now Microsoft is ready to let anyone test its upcoming Office client.