Office 365 Planned Service Changes - May 2018 Updates

A post outlining the recent updates to the Office 365 Planned Service Changes series:

Moved Retirement of Access Services in SharePoint Online to Archive
Moved Retirement of Office Mix Preview service to Archive
Moved Retirement of Outlook Groups app to Archive
Moved Retirement of OWA mobile apps to Archive
Added Retirement of Windows Phone apps for Skype for Business, Microsoft Teams and Yammer - effective May 20, 2018
Added Changes to the SMTP Authenticated Submission client protocol - action required by June 1, 2018
Moved Discontinuation of support for Session Border Controllers in Exchange Online Unified Messaging to Office 365 Planned Service Changes for 2019

Added Discontinuation of support for Session Border Controllers in Exchange Online Unified Messaging - action required by April 30, 2019

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