Exchange Web Services (EWS) retirement in Exchange Online is entering its final phase. Over the last several years, Microsoft has worked with product teams, independent software vendors (ISVs), and c...
Updated Aug 17, 2026
Version 11.0
Blog Post
7 MIN READ
Introducing EWSAllowedAppIDs: Preparing for the Final Phase of EWS Retirement
Our tenant's most recent message center posted title "Action Required: Update active Exchange Web Services Applications" mentions Entra Application IDs with EWS traffic and recommendations for next steps:
Apple Mail for Mac (f8d98a96-0999-43f5-8af3-69971c7bb423) - Apple Mail for Mac - No action required if risk is acceptable.
Can you advise if this specific App needs to be added to EwsAllowedAppIDs?
Greg Taylor - EXCHANGE
Microsoft
MicrosoftIf you want to be able to keep using the native Mail, Calendar, Contact, Notes and Reminders apps on your Mac, then yes. Until such point as Apple release their updated app, which will not use EWS.