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Microsoft disables EWS for Mac Mail, affecting 365 accounts

Microsoft has started turning off Exchange Web Services (EWS) in Exchange Online, which Mac Mail and Calendar apps use to sync with Microsoft 365 work accounts. The change, part of a phased shutdown, could cause syncing failures for many users. This does not affect organizations that kept EWS enabled, nor does it impact on-premise Exchange or iOS devices. Apple is working on a software update for future compatibility.

Why it mattersMany Mac users may lose Microsoft 365 email and calendar syncing. Organizations must switch to alternative clients or await Apple's macOS update.

Sources covering this

MacRumorsPSA: Apple Mail on Mac May Stop Syncing Microsoft 365 Accounts Today10:17 AM →AppleInsiderHeadline onlyApple plans fix as Microsoft's Exchange shutdown disrupts Mac email4:24 PM →

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