check before: 2025-09-15
Product:
Exchange, Outlook
Platform:
Online, Web, World tenant
Status:
Launched
Change type:
New feature, User impact
Links:
Details:
Summary:
Outlook will add a visual indicator on profile cards to identify external email participants, enhancing security and reducing accidental data sharing. This feature, enabled by default, will roll out worldwide from mid to late September 2025. No preparation is needed, but user communication is recommended.
Details:
To enhance user awareness and communication security, the profile card in Outlook will soon include a visual indicator to help users identify external participants in email conversations. This update improves clarity and reduces the risk of sharing sensitive information with unintended recipients.
This message is associated with Microsoft 365 Roadmap ID 498231
When this will happen
General Availability (Worldwide): Rollout will begin in mid-September 2025 and is expected to complete by late September 2025.
Change Category:
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Scope:
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Release Phase:
General Availability
Created:
2025-08-21
updated:
2025-08-21
Task Type
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Docu to Check
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MS How does it affect me
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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**
User Confusion
Users may be confused by the new visual indicator on profile cards, leading to uncertainty in identifying external participants in email conversations.
- roles: End Users, IT Support Staff
- references: https://support.microsoft.com/outlook, https://www.microsoft.com/microsoft-365/roadmap?rtc=1%26filters%3D&searchterms=498231
Accidental Data Sharing
Without prior communication about the change, users may still accidentally share sensitive information with external participants, despite the new indicator.
- roles: End Users, Compliance Officers
- references: https://support.microsoft.com/outlook, https://www.microsoft.com/microsoft-365/roadmap?rtc=1%26filters%3D&searchterms=498231
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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** AI generated content. This information must be reviewed before use.
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Last updated 3 months ago ago
