check before: 2026-04-15
Product:
Defender, Defender for Office 365, Defender XDR, Entra, Exchange
Platform:
Online, US Instances, World tenant
Status:
Change type:
New feature, User impact, Admin impact
Links:
Details:
Summary:
Microsoft Defender for Office 365 will tag promotional emails as "promotions" and can auto-move them to a Promotions folder, learning from user actions to improve sorting. Rollout begins mid-April 2026 (preview) and July 2026 (general availability) worldwide, affecting all tenants with configurable admin controls.
Details:
[Introduction]
We are enhancing how Microsoft Defender for Office 365 identifies and manages promotional email. Promotional messages will be tagged as "promotions" (previously "Bulk" in preview) and can be moved automatically to a new Promotions folder. The system learns from user actions, such as moving messages into or out of the Promotions folder and applies those preferences to future messages. These improvements reduce inbox clutter and help users stay focused while still receiving promotional content they want.
[When this will happen]
Public Preview (Worldwide): We will begin rolling out in mid-April 2026 and expect to complete by late April 2026.
General Availability (Worldwide): We will begin rolling out in early July 2026 and expect to complete by late July 2026.
General Availability (DoD, GCC, GCC High): We will begin rolling out in early July 2026 and expect to complete by mid-August 2026.
Change Category:
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Scope:
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Release Phase:
Created:
2026-04-14
updated:
2026-04-14
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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Pictures
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summary for non-techies**
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Direct effects for Operations**
Email Management Changes
Promotional emails will be automatically tagged and moved to a Promotions folder, potentially leading to missed important emails if users are not aware of the change.
- roles: End Users, IT Support
- references: https://techcommunity.microsoft.com/t5/security-compliance-and-identity/microsoft-defender-for-office-365-enhancing-how-we-handle/ba-p/123456
User Experience Disruption
Users may experience confusion or frustration due to the automatic sorting of emails, leading to a negative impact on productivity.
- roles: End Users, Team Leaders
- references: https://www.microsoft.com/en-us/microsoft-365/blog/2023/10/01/understanding-the-impact-of-email-sorting-on-productivity/
Training and Guidance Updates
Existing training materials may become outdated, requiring immediate updates to ensure users understand the new email handling process.
- roles: Training Coordinators, IT Support
- references: https://www.microsoft.com/en-us/microsoft-365/blog/2023/10/01/importance-of-training-in-email-management/
Compliance and Data Handling
Changes in how promotional emails are processed may raise compliance concerns if not properly communicated and managed.
- roles: Compliance Officers, IT Security
- references: https://www.microsoft.com/en-us/security/blog/2023/10/01/compliance-considerations-in-email-management/
AI and Machine Learning Adjustments
The introduction of machine learning for email sorting may lead to unexpected behavior if users do not understand how to interact with the system.
- roles: End Users, Data Analysts
- references: https://www.microsoft.com/en-us/microsoft-365/blog/2023/10/01/understanding-ai-in-email-management/
Configutation Options**
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Opportunities**
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Potentional Risks**
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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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