PSA: Apple Mail on Mac May Stop Syncing Microsoft 365 Accounts Today

Microsoft contiguous began disabling Exchange Web Services (EWS) by default successful Exchange Online, which volition chopped disconnected the protocol that Apple's Mail and Calendar apps connected Mac inactive trust connected to sync Microsoft 365 enactment accounts.


The cutoff has been connected the cards for a reasonably agelong time, arsenic Microsoft stopped adding caller features to EWS backmost successful 2018, portion successful 2023 it announced that it would commencement disabling the protocol successful Exchange Online from October 2026.

As Microsoft explains successful the blog station linked above, organizations that person chosen to support EWS moving aren't affected for now. As for everyone else, the cutoff whitethorn not hap each astatine once. In a recently updated post from June, Microsoft described the alteration arsenic a "phased rollout," truthful immoderate Mac users could suffer entree sooner than others.

It's inactive imaginable for IT administrators to reconstruct access. However, Microsoft plans to unopen down EWS successful Exchange Online permanently connected April 1, 2027, and nary extensions are presently planned.

As you'd expect, Apple is alert of the situation. In an Apple Platform Deployment support document, the institution says it is "actively moving with Microsoft" to determination Mail, Calendar, Contacts, Notes, and Reminders apps connected Mac to the newer Microsoft Graph API successful a aboriginal macOS 27 update.

Except, that update hasn't arrived yet. Apple skipped macOS 27.1 betas entirely, portion merchandise notes for the macOS 27.2 betas person yet to marque immoderate notation of Graph support.

Meanwhile, affected organizations tin conscionable support EWS moving oregon determination Mac users to a Graph-compatible client, specified arsenic Microsoft's Outlook app.

Note that the alteration volition lone impact Microsoft's cloud-hosted email server. In different words, companies that tally their ain Exchange servers aren't affected. Neither volition iPhone and iPad beryllium impacted, since they usage Exchange ActiveSync alternatively than EWS.

(Thanks, Jonathan!)
This article, "PSA: Apple Mail connected Mac May Stop Syncing Microsoft 365 Accounts Today" archetypal appeared connected MacRumors.com

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