Secure your mobile email with Microsoft EMS and Microsoft Outlook for iOS and Android

Chris78 It's about user education. We encourage them to use the Outlook app to manage company Contacts. If the user is using the native Contacts then it is very hard to know where their contacts are saved. If they have iCloud enabled the contacts will end up in their personal iCloud and will not be available in Exchange.

BTW the productivity improvement with Outlook for iOS and Android is much more than 0.05%. If you are the IT person in your company I would encourage you spending time with the Outlook app for iOS and Android. Watch the Ignite keynote sessions, learn about all the investments that are going in and educate your users. See why Outlook is rated so highly by end users and learn from comparisons like this https://www.theverge.com/2018/9/28/17911432/best-email-app-ios-android