MC1326509 – Microsoft Purview: Information Protection- File Labeler and File Viewer for MacOS

Product:

Entra, Purview, Purview Communication Compliance, Purview Information Protection, Windows

Platform:

Mac, Online, Web, World tenant

Status:

In development

Change type:

New feature, User impact, Admin impact

Links:

561327

Details:

Summary:
Microsoft Purview is launching File Labeler and File Viewer apps for macOS to enable sensitivity labeling and protected file viewing, aligning with Windows capabilities. Public preview starts May 29, 2026, with general availability on September 30, 2026. Advanced label-based protection is not supported initially.

Details:
[What and Why]
Microsoft Purview Information Protection is introducing File Labeler and File Viewer applications for macOS. These clients will bring sensitivity labeling and protected file viewing capabilities to Mac users, aligning with the experience already available on Windows.
This update will help organizations consistently apply and enforce protection policies across platforms, supporting enterprise-grade security and compliance for sensitive content across devices.
This message is associated with Microsoft 365 Roadmap ID 561327.
[Rollout Schedule]
Public Preview: The macOS client will be made available for download on or around May 29, 2026.
General Availability (Worldwide): The macOS client will be made available for download on or around September 30, 2026.
[Impact on Your Organization]
Who is affected
Users on macOS who work with labeled and protected files
Admins managing Microsoft Purview Information Protection
Platforms/Services
macOS
Microsoft Purview Information Protection
What will happen
The macOS client will be made available to download via the Microsoft Purview Information Protection page.
Users will be able to apply, change, and remove sensitivity labels on supported files, including Office documents, PDFs, images, text files, and other file types.
Users will be able to apply labels and protection to single files, or multiple files
Labels and protection will remain applied when files are shared or moved.
Users will be able to open and view protected files (including .pfile-based formats) that are not supported by their originating applications.
The macOS client will provide parity with the Windows File Labeler and File Viewer, with the following exceptions:
Advanced label-based protection will not be supported in this release.
Need to work with files, selecting a folder will not show the option.
The client will not be pre-installed and will need to be downloaded separately.
Existing sensitivity labeling policies will continue to apply; no changes will be required.
[Action Required/Recommendations]
No immediate action is required.
Admins may consider the following:
Review your current sensitivity labeling policies to ensure they meet cross-platform needs.
Inform macOS users about the availability of labeling and protected file viewing capabilities.
Download the macOS client from the Microsoft Purview Information Protection page when it becomes available.
Learn more:
Learn about Advanced label-based protection for all files on devices | Microsoft Purview | Microsoft Support
Learn about sensitivity labels | Microsoft Purview | Microsoft Learn
Label and protect files in File Explorer in Windows | Microsoft Support
View protected files with Microsoft Purview Information Protection viewer | Microsoft Support
[Compliance considerations]
QuestionAnswer
Does the change alter how existing customer data is processed, stored, or accessed?Yes. Files can now be labeled and accessed on macOS, extending existing sensitivity labeling and protection workflows to another platform.
Does the change modify Information Protection labels or encryption capabilities?Yes. Labeling capabilities are extended to macOS; however, advanced label-based protection is not supported in this release.
Does the change include an admin control and can it be controlled via Entra ID groups?Yes. Existing Purview labeling policies and controls continue to govern behavior across platforms.

Change Category:
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Scope:
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Release Phase:
General Availability, Preview

Created:
2026-05-30

updated:
2026-05-30

Public Preview Start Date

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Task Type

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Docu to Check

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MS Preperations

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MS Urgency

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MS workload name

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linked item details

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summary for non-techies**

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Direct effects for Operations**

Lack of Advanced Label-Based Protection
The initial release of the macOS client will not support advanced label-based protection, potentially leading to security gaps for sensitive files compared to Windows users.
   - roles: Users on macOS, Admins managing Microsoft Purview Information Protection
   - references: https://learn.microsoft.com/purview/dlp-learn-about-advanced-label-protection, https://learn.microsoft.com/purview/sensitivity-labels

User Experience Disruption
Users will need to download the macOS client separately, which may lead to confusion and delays in accessing labeling and protected file viewing capabilities.
   - roles: Users on macOS, Admins managing Microsoft Purview Information Protection
   - references: https://support.microsoft.com/topic/label-and-protect-files-in-file-explorer-in-windows-67829155-2d0e-4122-9677-7c53c8cba18a, https://support.microsoft.com/topic/view-protected-files-with-microsoft-purview-information-protection-viewer-9fb56fae-7989-48b0-850f-f446e057cf73

Configutation Options**

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Data Protection**

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IT Security**

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explanation for non-techies**

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