Microsoft Purview compliance portal: Information Protection – Email attachment preview in Activity Explorer
From Microsoft 365 Message Center Archive by Merill Fernando · Microsoft may not have sent this notice to your tenant.Rollout
- Roadmap
- 543969
Rollout dates are often only in the text. When Microsoft moves them, the change shows under "What changed".
Schedule dates changed in the text
Date phrases in schedule sentences differ between the versions this installation saw- Seen 17 Feb 2026 end of February 2026
Read from date phrases in Microsoft's text, not from notice metadata. A changed phrase can be a moved rollout, a new milestone or just rewording; "What changed" below shows which.
What the notice says
Microsoft’s text, safely structuredUpdated February 17, 2026: We have updated the timeline. Thank you for your patience.
Introduction
We’re enhancing Activity Explorer in the Microsoft Purview compliance portal to provide better visibility into sensitive data detected in Exchange Online. Today, admins can only view email message bodies when investigating Data Loss Prevention (DLP) or Information Protection events. With this update, admins will be able to preview flagged email attachments directly within Activity Explorer—without downloading the email—simplifying investigations and reducing risk exposure.
This message is associated with Microsoft Roadmap ID 543969.
When this will happen
General Availability (Worldwide) rollout will begin in early February 2026 and complete by end of February 2026 (previously early February).
How this affects your organization
Who is affected: Admins who use Microsoft Purview Activity Explorer to investigate Data Loss Prevention (DLP) or Information Protection events in Exchange Online.
What will happen:
- Admins will be able to preview email attachments flagged for sensitive data directly within Activity Explorer:
- A preview pane will appear for supported file types.
- Email downloads will no longer be required for most investigations.
- The feature will be enabled by default; no configuration changes will be required.
- Existing DLP and Information Protection policies will remain unchanged.
What you can do to prepare
- No action is required. This update will take effect automatically after rollout.
- (Optional) Communicate this improvement to your security and compliance teams.
- (Optional) Update internal investigation workflows or documentation.
Compliance considerations
No compliance considerations identified. Review as appropriate for your organization.
What changed
Between archive captures, newest first- Tags
New feature, User impact, Admin impact→ Updated message, New feature, User impact, Admin impact
Updated February 17, 2026: We have updated the timeline. Thank you for your patience. Introduction We’re enhancing Activity Explorer in the Microsoft Purview compliance portal to … Availability (Worldwide) rollout will begin in early February 2026 and complete by
earlyend of February2026.2026 (previously early February). How this affects your organization Who is affected: Admins who use Microsoft …- Tags
- · first version seen
Learn more
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