{
  "id": 11170641,
  "title": "PSA: Apple Mail on Mac May Stop Syncing Microsoft 365 Accounts Today",
  "url": "https://urgent.news/2026/10/01/psa-apple-mail-on-mac-may-stop-syncing-microsoft-365-accounts-today",
  "topic": "tech",
  "section": "Tech",
  "published": "2026-10-01T10:17:27.000Z",
  "source": {
    "name": "MacRumors",
    "slug": "macrumors",
    "url": "https://www.macrumors.com/2026/10/01/apple-mail-mac-stop-sync-microsoft-365/"
  },
  "original_language": "en",
  "account": "Microsoft will begin disabling the Exchange Web Services (EWS) protocol by default in Exchange Online, affecting Apple's Mail and Calendar apps on Mac. This update has been anticipated as Microsoft discontinued adding new features to EWS in 2018. In a phased rollout, some Mac users may lose access to their Microsoft 365 work accounts sooner than others. Apple is aware of the situation and is actively working with Microsoft to transition its apps to the newer Microsoft Graph API in an upcoming macOS 27 update. Organizations can either continue using EWS or move their Mac users to a Graph-compatible client, like Microsoft's Outlook app. This change will not impact iPhone and iPad users, as they use Exchange ActiveSync, not EWS.",
  "summary": "Microsoft today began disabling Exchange Web Services (EWS) by default in Exchange Online, which will cut off the protocol that Apple's Mail and Calendar apps on Mac still rely on to sync Microsoft 365 work accounts. The cutoff has been on the cards for a fairly long time, as Microsoft stopped adding new features to EWS back in 2018, while in 2023 it announced that it would start disabling the…",
  "key_points": [],
  "editors_take": null,
  "illustration": null,
  "coverage": {
    "outlets": 1,
    "also_reported_by": []
  },
  "ai_generated": true,
  "disclaimer": "Summaries, key points and the editor’s take are written by software from other outlets’ reporting and may contain errors — always check the linked original."
}