{
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  "description": "Outlook for iOS will enhance PDF preview by supporting Microsoft Information Protection-labeled PDFs and adding a controls toolbar for zoom, navigation, and search. The update rolls out from July to September 2026, is enabled by default, requires no admin action, and maintains existing workflows.",
  "path": "/m365-message-center/message/mc1384419/",
  "publishedAt": "2026-06-09T00:00:05.000Z",
  "site": "https://blog.tophhie.cloud",
  "tags": [
    "564970"
  ],
  "textContent": "🚨\n\n**Major Update:** This post contains a significant change that may impact your organisation.\n\n**[What and Why:]**\n\nWe’re updating the PDF preview experience in Outlook for iOS. This change adds support for **Microsoft Information Protection (MIP)** –labeled PDFs and introduces a built-in controls toolbar to improve navigation and search when viewing PDF attachments.\n\nThis message is associated with Roadmap ID 564970.\n\n**[Rollout Schedule:]**\n\nGeneral Availability (Worldwide, GCC, GCC High, DoD): Rollout begins in **early July 2026** and is expected to complete by **early September 2026**.\n\n**[Impact on Your Organization:]**\n\n**Who is affected:** All users who view PDF attachments in Outlook for iOS.\n\n**Platforms/Services:**\n\n  * Outlook for iOS (mobile)\n  * PDF attachment preview\n\n\n\n**What will happen:**\n\n  * Users can preview **MIP-labeled (protected) PDF files** directly in Outlook for iOS.\n  * A **controls toolbar** appears at the bottom of the PDF preview, enabling:\n    * Zoom in and out\n    * Page navigation\n    * Keyword search within the PDF\n  * The **Open in Copilot** button has moved to the **More (…) menu** in the upper-right corner.\n  * The feature is **enabled by default**.\n  * No changes are made to current admin configurations or user workflows beyond the enhanced preview experience.\n\n\n\n**[Action Required / Recommendations:]**\n\n  * **No action is required.** This feature is enabled automatically.\n  * Consider notifying end users about the improved PDF preview and new toolbar controls to reduce help desk inquiries.\n  * Update internal documentation or training materials if you reference Outlook mobile PDF behavior.\n\n\n\n**[Compliance considerations:]**\n\nNo compliance considerations identified, review as appropriate for your organization.",
  "title": "MC1384419: Improved PDF preview in Outlook for iOS",
  "updatedAt": "2026-06-09T00:00:05.617Z"
}