Microsoft today announced several new features for its Office suite of productivity apps. First and foremost, third-party cloud providers can now integrate their own services into the "locations picker" in the iOS Office apps. This means mobile device users can open, edit, and save their documents to any cloud service. Apple's iCloud is the first to receive this support, so iPhone and iPad users can store their mobile Office documents in iCloud. Microsoft said it plans to bring this feature to the Windows and Android versions of Office soon. Further, Microsoft is making it possible for cloud storage providers to weave Office Online into their own mobile applications. Microsoft's vision here is to let people open, view, and edit their online documents from any browser on any device. Microsoft said Box, Citrix, and Salesforce are already working on this level of integration. Microsoft has dramatically increased the availability of Office to mobile devices in recent months with the hopes that people and businesses will continue to use its productivity suite rather than competing products from Apple and Google.