Keeping our Outlook Personal Email Users Safe: Reinforcing Our Commitment to Security

Understand the move to OAuth 2.0 proper.

In line with this, I hope Microsoft will actively try to fix OAuth integration problems. The issue below has broken Android phone integration using the default mail client (Gmail App) to do exchange sync for email, calendar and contacts. Six months and no closer to a fix. Thousands of users affected if you search online.

https://answers.microsoft.com/en-us/outlook_com/forum/all/gmail-app-keeps-asking-for-microsoft-account/61e31a44-51ec-4091-aa87-212c535c91f3 
https://answers.microsoft.com/en-us/outlook_com/forum/all/unable-to-setup-exchange-account-on-android/4d3b571f-2bf3-4919-9e01-f27fcec1afb4

https://answers.microsoft.com/en-us/outlook_com/forum/all/android-gmail-app-stopped-working-with-outlook/ec0dc5e9-f813-423b-a89b-07e73e08a6b3

https://www.reddit.com/r/GMail/comments/17fbp22/push_sync_hotmail_into_gmail_app/

Anyone from Microsoft able to comment on root cause analysis?