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"description": "Outlook will group email notifications arriving within seconds into a single alert to reduce interruptions, rolling out from late June to mid-September 2026 across Production, GCC, and GCC High. The feature is enabled by default but can be managed in settings. No admin action is needed.",
"path": "/m365-message-center/message/mc1385580/",
"publishedAt": "2026-06-10T00:00:07.000Z",
"site": "https://blog.tophhie.cloud",
"textContent": "**[What and Why:]**\n\nTo help reduce notification fatigue and improve focus, Outlook will automatically group email notifications that arrive within a few seconds into a single alert. This enhancement supports personal and team productivity by minimizing interruptions while ensuring users stay informed of new messages.\n\n**[Rollout Schedule:]**\n\n * General Availability (Production): Rollout will begin in **late June 2026** and is expected to complete by **late-July2026**\n * General Availability (GCC): Rollout will begin in **late July 2026** and is expected to complete by **mid-August 2026**\n * General Availability (GCC High): Rollout will begin in**mid-August 2026** and is expected to complete by **mid-September 2026**\n\n\n\n**Impact on Your Organization:**\n\n**Who is affected:** All users in Production, GCC, and GCC High tenants using new Outlook or Outlook on the web\n\n**Platforms/Services:** Outlook on the web, New Outlook for Windows\n\n**What will happen:**\n\n * Users will receive a **single grouped notification** when multiple emails arrive within a short time window (a few seconds).\n * Selecting the notification will open the **latest email** in the inbox.\n * Additional unread emails included in the group will be visible in the inbox.\n * The feature will be **enabled by default**.\n * Users can manage this behavior in **Settings > General > Notifications > Email > Group notifications.**\n\n\n\n**[Action Required/Recommendations:]**\n\nNo admin action is required\n\n**Recommended steps:**\n\n * Inform users about the updated notification behavior to reduce confusion.\n * Update internal helpdesk documentation if you reference Outlook notification behavior.\n * If desired, guide users on customizing their notification preferences via Outlook settings.\n\n\n\n**[Compliance considerations:]**\n\n * Users can enable or disable grouped notifications in Outlook settings.\n * No other compliance impacts have been identified.\n\n",
"title": "MC1385580: Grouped notifications in Outlook",
"updatedAt": "2026-06-10T00:00:07.244Z"
}