They've gotten better in recent years, at least supporting OS X, iOS, and Android. I've used Office 2011 for Mac for a couple years now, and OneDrive works ever

They've gotten better in recent years, at least supporting OS X, iOS, and Android. I've used Office 2011 for Mac for a couple years now, and OneDrive works every bit as well as Dropbox or other cross-platform cloud document programs.