i have developed office 365 outlook add-in web. it's automatically supported in desktop also. want disable app desktop. guess need change in manifest file couldn't clue. can me achieve this??
the office add-in aim cross-platform developing office solution. @ present, doesn't support limit platform. here specification of “host“ element used specify office host application reference: 
you can refer here more detail of host specifying in manifest. , if want office add-in support feature, can try submit feedback here.
