Thanks for your feedback on the Outlook.com beta! We are considering this and will reply back when we have an update.
We highly appreciate your feedback you’ve given us about this feature. Good news: We’re close to releasing it on Android. You can get a sneak preview here: https://blogs.office.com/2017/06/05/improving-people-in-outlook-for-ios-and-android/
Thanks for your patience as we make the final touches!
All the best
The Outlook Mobile Team
PS: Please use the Help Section of the app for any questions, we are not able to see replies to this address.