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Welcome to Microsoft 365 Defender!
Published Jun 10 2021 11:56 AM 31.4K Views

Last month, we announced the general availability of Microsoft Defender for Endpoint and Microsoft Defender for Office 365 capabilities in Microsoft 365 Defender. Security teams can now manage all endpoint, email and collaboration, cross-product investigation, configuration, and remediation activities within a single unified XDR dashboard. Our efforts to bring these solutions together are part of our commitment to deliver world class SecOps capabilities that empower security teams to respond to threats more rapidly and effectively.


We are excited by the reception you have given us on Microsoft 365 Defender and many customers have already made the transition to the new experience. Starting July 6, 2021, the default experience for Microsoft Defender for Endpoint will shift to Microsoft 365 Defender. This change will take some time to roll out across all geographies and will be completed automatically by Microsoft. Once transitioned, you can continue to use your existing portal URL and it will redirect to the new experience.


For Microsoft Defender for Endpoint customers, all existing capabilities are already available in Microsoft 365 Defender. To learn more about the integrated experience and features, please refer to our recent blog and instructional video.



Figure 1: Endpoint features integrated into Microsoft 365 Defender. 


For those who have not yet tried out the unified experience in Microsoft 365 Defender, we recommend that you navigate to today and explore it.  To help you get up to speed quickly please refer to this quick reference to guide you through the changes you can expect in the new portal.


Moving forward, we are focusing our engineering efforts on the unified experience in Microsoft 365 Defender. We recognize that some customers need more time to transition. The legacy portal will still be available and if you need more time to transition you can opt-out of the automatic redirection in your portal settings.


We’d like to hear your feedback as you move to the new experience, and we are here to help you with a smooth transition. Send us feedback directly through the portal. If you wish to opt-out of the preview migration you can contact us at

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