Microsoft is retiring Outlook on the Web (OWA) mobile apps for iPhone, iPad and Android on May 15, 2018. You should begin using the Outlook app for iOS and Android.
Mobile device requirements
- Windows: Office Mobile applications (Word, Excel, PowerPoint, OneNote, Outlook Mail, and Outlook Calendar) require Windows 10.
- iOS: Office for iPad and iPhone requires iOS 10.0 or later. Office for iPad Pro requires iOS 10.0 or later.
Android: Office for Android can be installed on tablets and phones that meet the following criteria: running Android KitKat 4.4 or later version and have an ARM-based or Intel x86 processor.
Mobile browsers: Any mobile browser supported by Microsoft may be used.
