Today, we announced the release of Outlook for iOS and a preview of Outlook for Android. If you have an iPhone, iPad, Android phone or Android tablet, chances are that you’re using the built-in email and calendaring capabilities of your device. Why use the new Outlook app instead? We’re glad you asked!
Read more at source: http://blogs.office.com/2015/01/29/deeper-look-outlook-ios-android/