Here’s a quick synopsis of some of the many advantages Outlook Mobile has over other “native” email clients from iOS or Android:
- End-to-end TLS-secured data connections
- App Protection support
- Native support for Exchange mailbox policy settings
- Enforcement of Conditional Access (through native integration with EMS)
- Single sign-on through Azure AD
- Management of separate personal/work account
- Restriction of content syncing to local device
- Modern Authentication support
- Advanced Threat Protection – Anti-phishing detection
- Native support for Office 365 encryption/rights-protection
- GDPR & FedRAMP Government Cloud compliance
For more details, review the following:
- Outlook for iOS and Android in Exchange Online: FAQ
https://docs.microsoft.com/en-us/exchange/clients-and-mobile-in-exchange-online/outlook-for-ios-and-android/outlook-for-ios-and-android-faq
Also, check out Ross Smith IV’s session from Ignite 2018:
- BRK3145 – Deploying Outlook mobile securely in the enterprise
https://myignite.techcommunity.microsoft.com/sessions/65636?source=sessions#ignite-html-anchor - Presentation Deck
https://mediusproduction.blob.core.windows.net/presentations/Ignite2018/BRK3145.pptx
kurtsh
Kurt Shintaku's Blog 