Table of Contents
Summary
- New feature allows admins to preview email attachments flagged for sensitive data directly in Activity explorer.
- No need to download emails for investigations, improving efficiency.
- The feature is enabled by default with no configuration changes required.
- Existing data loss prevention and Information Protection policies remain unchanged.
- Admins should communicate this update to their security and compliance teams.
Admin Impact: Low
User Impact: Low
Release Start: 15 Jan 2026
Release End: 31 Jan 2026
Services: M365, Purview
Category: Stay informed
Tags: New Feature, Admin Action
History
12/3/2025 Item Added to Message Center
Microsoft Message
Introduction
We’re enhancing Microsoft Purview | Information Protection by adding the ability to preview email attachments directly in Activity explorer for Exchange Online. Previously, only the message body was viewable, limiting visibility into flagged sensitive content. This update helps admins quickly investigate incidents without downloading emails, improving efficiency and security.
This message is associated with Roadmap ID 527834.
When this will happen
- Public Preview: Rollout begins early December 2025 and completes by mid-December 2025.
- General Availability (Worldwide): Rollout begins mid-January 2026 and completes by late January 2026.
How this affects your organization
Who is affected: Admins managing Exchange Online and using Activity explorer in Microsoft Purview.
What will happen:
- Admins can preview email attachments flagged for sensitive data directly in Activity explorer.
- No need to download emails for investigation.
- Feature is enabled by default; no configuration changes required.
- Existing DLP (data loss prevention) and Information Protection policies remain unchanged.
What you can do to prepare
- No action is required; the feature will be available automatically after rollout.
- Optional: Communicate this update to your security and compliance teams.
Compliance considerations
No compliance considerations identified; review as appropriate for your organization.