check before: 2025-04-01
Product:
Copilot, Purview, Purview Communication Compliance, Purview compliance portal, Teams
Platform:
Android, iOS, Mac, Online, Web, World tenant
Status:
Launched
Change type:
Admin impact, New feature, Updated message, User impact
Details:
Summary:
Microsoft Purview Data Security Investigations (DSI) is an AI-powered solution launching in public preview April–May 2025 and general availability October 2025–January 2026. It helps security teams identify, analyze, and mitigate data risks across Microsoft 365 with deep content analysis and collaboration tools.
Details:
Updated November 14, 2025: We have updated the timeline. Thank you for your patience.
Microsoft Purview Data Security Investigations (DSI) is a new AI-powered solution that enables data security teams to identify incident-related data, conduct deep content analysis, and mitigate risk within one unified solution.
This message is associated with Microsoft 365 Roadmap ID 485707.
[When this will happen:]
Public Preview: We will begin rolling out early April 2025 and expect to complete by mid-May 2025.
General Availability (Worldwide): We will begin rolling out early October 2025 (previously early August) and expect to complete by early January 2026 (previously late October 2025).
Change Category:
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Scope:
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Release Phase:
General Availability, Preview
Created:
2025-04-04
updated:
2025-11-15
Public Preview Start Date
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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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Pictures
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summary for non-techies**
Microsoft Purview Data Security Investigations (DSI) is a new tool that uses AI to analyze emails, messages, and documents to identify potential data security risks, facilitate secure collaboration among teams to address these issues, and improve security policies based on investigation insights.
Direct effects for Operations**
Data Security Risk Identification
Without proper preparation, the implementation of DSI may lead to incomplete identification of data security risks, resulting in potential data breaches or compliance violations.
- roles: Data Security Admin, Compliance Officer
- references: https://learn.microsoft.com/purview/data-security-investigations" target="_blank" rel="nofollow noopener noreferrer">https://learn.microsoft.com/purview/data-security-investigations, https://techcommunity.microsoft.com/blog/microsoft-security-blog/accelerate-data-security-investigations-with-ai-powered-deep-content-analysis/4396099
User Experience Disruption
If DSI is deployed without adequate training and communication, users may experience confusion or disruption in their workflows, leading to decreased productivity and potential frustration.
- roles: End User, IT Support Staff
- references: https://www.microsoft.com/microsoft-365/roadmap?filters=&searchterms=485707, https://learn.microsoft.com/purview/data-security-investigations" target="_blank" rel="nofollow noopener noreferrer">https://learn.microsoft.com/purview/data-security-investigations
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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change history
| Date | Property | old | new |
| 2025-11-15 | MC Last Updated | 08/15/2025 18:12:13 | 2025-11-14T22:54:06Z |
| 2025-11-15 | MC Messages | Updated August 14, 2025: We have updated the timeline. Thank you for your patience.
Microsoft Purview Data Security Investigations (DSI) is a new AI-powered solution that enables data security teams to identify incident-related data, conduct deep content analysis, and mitigate risk within one unified solution. This message is associated with Microsoft 365 Roadmap ID 485707. [When this will happen:] Public Preview: We will begin rolling out early April 2025 and expect to complete by mid-May 2025. General Availability (Worldwide): We will begin rolling out early October 2025 (previously early August) and expect to complete by late October 2025 (previously late August). | Updated November 14, 2025: We have updated the timeline. Thank you for your patience.
Microsoft Purview Data Security Investigations (DSI) is a new AI-powered solution that enables data security teams to identify incident-related data, conduct deep content analysis, and mitigate risk within one unified solution. This message is associated with Microsoft 365 Roadmap ID 485707. [When this will happen:] Public Preview: We will begin rolling out early April 2025 and expect to complete by mid-May 2025. General Availability (Worldwide): We will begin rolling out early October 2025 (previously early August) and expect to complete by early January 2026 (previously late October 2025). |
| 2025-11-15 | MC End Time | 12/08/2025 09:00:00 | 2026-02-02T09:00:00Z |
| 2025-11-15 | MC Summary | Microsoft Purview Data Security Investigations (DSI) is an AI-powered solution launching in public preview April-May 2025 and general availability October 2025. It helps security teams identify, analyze, and mitigate data risks across Microsoft 365 with deep content analysis, investigation insights, and secure collaboration. | Microsoft Purview Data Security Investigations (DSI) is an AI-powered solution launching in public preview April–May 2025 and general availability October 2025–January 2026. It helps security teams identify, analyze, and mitigate data risks across Microsoft 365 with deep content analysis and collaboration tools. |
| 2025-08-16 | MC Last Updated | 06/24/2025 23:11:22 | 2025-08-15T18:12:13Z |
| 2025-08-16 | MC Messages | Updated June 24, 2025: We have updated the timeline below. Thank you for your patience.
Microsoft Purview Data Security Investigations (DSI) is a new AI-powered solution that enables data security teams to identify incident-related data, conduct deep content analysis, and mitigate risk within one unified solution. This message is associated with Microsoft 365 Roadmap ID 485707. [When this will happen:] Public Preview: We will begin rolling out early April 2025 and expect to complete by mid-May 2025. General Availability (Worldwide): We will begin rolling out early August 2025 (previously mid-June) and expect to complete by late August 2025 (previously late July). | Updated August 14, 2025: We have updated the timeline. Thank you for your patience.
Microsoft Purview Data Security Investigations (DSI) is a new AI-powered solution that enables data security teams to identify incident-related data, conduct deep content analysis, and mitigate risk within one unified solution. This message is associated with Microsoft 365 Roadmap ID 485707. [When this will happen:] Public Preview: We will begin rolling out early April 2025 and expect to complete by mid-May 2025. General Availability (Worldwide): We will begin rolling out early October 2025 (previously early August) and expect to complete by late October 2025 (previously late August). |
| 2025-08-16 | MC Summary | Microsoft Purview Data Security Investigations (DSI) is an AI-powered solution for data security teams to identify, analyze, and mitigate risks. Public Preview starts in April 2025, with General Availability in August 2025. DSI helps locate and analyze data, visualize correlations, and refine security policies. Learn more [here](https://techcommunity.microsoft.com/blog/microsoft-security-blog/accelerate-data-security-investigations-with-ai-powered-deep-content-analysis/4396099). | Microsoft Purview Data Security Investigations (DSI) is an AI-powered solution launching in public preview April-May 2025 and general availability October 2025. It helps security teams identify, analyze, and mitigate data risks across Microsoft 365 with deep content analysis, investigation insights, and secure collaboration. |
| 2025-08-16 | MC End Time | 11/28/2025 09:00:00 | 2025-12-08T09:00:00Z |
| 2025-08-16 | MC prepare | Learn more: Accelerate data security investigations with AI-powered deep content analysis | Microsoft Community Hub
Public Preview documentation: Learn about Data Security Investigations (preview) | Microsoft Learn Get started on the Purview DSI overview page (coming soon) to complete setup and get oriented in a few simple steps: Enable access in Microsoft Purview > Permission for DSI admins, DSI investigators and DSI reviewers in your organization. Complete the DSI first-run experience including: Enrolling your Purview subscription for non-AI storage and processing meter Enrolling for AI consumption using security compute units Get started with your first investigation. https://learn.microsoft.com/purview/data-security-investigations https://www.microsoft.com/microsoft-365/roadmap?filters=&searchterms=485707 | Learn more: Accelerate data security investigations with AI-powered deep content analysis | Microsoft Community Hub
Public Preview documentation: Learn about Data Security Investigations (preview) | Microsoft Learn Get started on the Purview DSI overview page (coming soon) to complete setup and get oriented in a few simple steps: Enable access in Microsoft Purview > Permission for DSI admins, DSI investigators and DSI reviewers in your organization. Complete the DSI first-run experience including: Enrolling your Purview subscription for non-AI storage and processing meter Enrolling for AI consumption using security compute units Get started with your first investigation. https://learn.microsoft.com/purview/data-security-investigations https://techcommunity.microsoft.com/blog/microsoft-security-blog/accelerate-data-security-investigations-with-ai-powered-deep-content-analysis/4396099 https://www.microsoft.com/microsoft-365/roadmap?filters=&searchterms=485707 |
| 2025-06-25 | MC prepare | Learn more: Accelerate data security investigations with AI-powered deep content analysis | Microsoft Community Hub
When the Public Preview begins, we will update this post with new documentation. Get started on the Purview DSI overview page (coming soon) to complete setup and get oriented in a few simple steps: Enable access in Microsoft Purview > Permission for DSI admins, DSI investigators and DSI reviewers in your organization. Complete the DSI first-run experience including: Enrolling your Purview subscription for non-AI storage and processing meter Enrolling for AI consumption using security compute units Get started with your first investigation. https://techcommunity.microsoft.com/blog/microsoft-security-blog/accelerate-data-security-investigations-with-ai-powered-deep-content-analysis/4396099 https://www.microsoft.com/microsoft-365/roadmap?filters=&searchterms=485707 | Learn more: Accelerate data security investigations with AI-powered deep content analysis | Microsoft Community Hub
Public Preview documentation: Learn about Data Security Investigations (preview) | Microsoft Learn Get started on the Purview DSI overview page (coming soon) to complete setup and get oriented in a few simple steps: Enable access in Microsoft Purview > Permission for DSI admins, DSI investigators and DSI reviewers in your organization. Complete the DSI first-run experience including: Enrolling your Purview subscription for non-AI storage and processing meter Enrolling for AI consumption using security compute units Get started with your first investigation. https://learn.microsoft.com/purview/data-security-investigations https://www.microsoft.com/microsoft-365/roadmap?filters=&searchterms=485707 |
| 2025-06-25 | MC Summary | Microsoft Purview Data Security Investigations (DSI) is an AI-powered solution for data security teams to identify, analyze, and mitigate risks. Public Preview starts in April 2025, with General Availability in August 2025. DSI helps locate and analyze data, visualize correlations, and refine security policies. Learn more [here](https://techcommunity.microsoft.com/blog/microsoft-security-blog/accelerate-data-security-investigations-with-ai-powered-deep-content-analysis/4396099). | |
| 2025-06-25 | MC Last Updated | 04/04/2025 04:26:53 | 2025-06-24T23:11:22Z |
| 2025-06-25 | MC Messages | Microsoft Purview Data Security Investigations (DSI) is a new AI-powered solution that enables data security teams to identify incident-related data, conduct deep content analysis, and mitigate risk within one unified solution.
This message is associated with Microsoft 365 Roadmap ID 485707. [When this will happen:] Public Preview: We will begin rolling out early April 2025 and expect to complete by mid-May 2025. General Availability (Worldwide): We will begin rolling out mid-June 2025 and expect to complete by late July 2025. | Updated June 24, 2025: We have updated the timeline below. Thank you for your patience.
Microsoft Purview Data Security Investigations (DSI) is a new AI-powered solution that enables data security teams to identify incident-related data, conduct deep content analysis, and mitigate risk within one unified solution. This message is associated with Microsoft 365 Roadmap ID 485707. [When this will happen:] Public Preview: We will begin rolling out early April 2025 and expect to complete by mid-May 2025. General Availability (Worldwide): We will begin rolling out early August 2025 (previously mid-June) and expect to complete by late August 2025 (previously late July). |
| 2025-06-25 | MC Title | Microsoft Purview: New Purview Data Security Investigations (DSI) solution | (Updated) Microsoft Purview: New Purview Data Security Investigations (DSI) solution |
| 2025-06-25 | MC MessageTagNames | New feature, User impact, Admin impact | Updated message, New feature, User impact, Admin impact |
Last updated 2 weeks ago ago
