After the great success of Windows Insider program, Microsoft is now willing to offer a similar program for testing new versions of its software to Office apps users.

As reported by ZDNet, Microsoft has announced that they will launch Office Insider in the United States in the near future,and that is a program that will allow users of Office 365 Home, Office 365 Personal and Office 365 University to test new versions of Office 2016 applications for Windows prior to their official launch.

Test The New Office Options: Microsoft Is Launching Office Insider Program

In addition, the Office Insider will be available for Android versions of Office applications, as well as for users of Windows 10 Mobile devices, which will be accessed through Windows Insider program. And if you’re using Office 365 on a Mac, the possibility of testing the new Office 2016 applications will be offered during the next few months.
One of the first new features that members of the Office Insider program will have the chance to try are Designer and Morph tools for PowerPoint 2016, and all those who do not live in the United States will be happy to hear that participation in the program will be also enabled to international users, though for now it is not known when exactly that will happen.
More details about the program can be found here.