In this post, we wanted to share a practical walk-through of discovering which Azure AD app registrations are still using Exchange Web Services (EWS), plus what the Kiosk/Frontline license changes me...
Updated Jun 26, 2026
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Notes From the Field: Finding and Remediating EWS App Usage Before Retirement
What are we supposed to do with the Enterprise Applications called "iOS Accounts" and "Apple Internet Accounts"? These aren't custom app registrations created by an administrator in our tenant. They are an Apple-managed enterprise application that appears when users connect Microsoft 365 accounts to Apple's native Mail, Calendar, Contacts, and related account services on iPhone, iPad, and macOS.
We have unique business requirements (as I'm sure many others do) to allow Apple native mail on certain mailboxes. Is the guidance for this to just set EWSEnabled to True and hope that Apple addresses this come April 2027? Outlook mobile is not currently an option due to MAM policies.
Nino_Bilic
Microsoft
MicrosoftIntegrate Apple devices with Microsoft Exchange - Apple Support - I believe "Apple Internet Accounts" is now used for both macOS and iOS devices and yes, you should add Have EWSEnabled and also add this to your AppID allow list come October (we will add it for you if you do not sometime in September). And yes, it is up to Apple to deliver updated macOS clients that do not use EWS.