Microsoft has big plans for its mobile apps: more sharing, more collaboration

Something's happening to the Outlook apps for iOS and Android. Quietly, they’ve begun to take on more and more responsibility—not just email, but calendaring and file information as well. 
It's no accident. Smartphone apps began life as focused, single-purpose products, but Microsoft's betting we'll want more interconnectivity moving forward. Just as cosmic dust collected into stars and planets, then began rotating about one another, colliding and sometimes gobbling e