[Introduction]
We’re introducing a Data Security Investigations (DSI) lightweight cost estimator to help analysts model and forecast storage and compute unit costs based on specific use cases, enabling more accurate budget planning. In addition, a new usage report provides granular breakdowns of billed storage and compute unit usage, empowering DSI analysts to identify cost-saving opportunities and optimize resource allocation.
This message is associated with Microsoft 365 Roadmap ID 518225.
[When this will happen:]
- Public Preview: Rollout begins early December 2025 and completes by early December 2025.
- General Availability (Worldwide): Rollout begins early February 2026 and completes by late March 2026.
[How this will affect your organization:]
Who is affected: Admins and analysts using Data Security Investigations in Microsoft Purview.
What will happen:
- A new in-product cost estimator will be available to model storage and compute unit costs.
- A usage dashboard report will provide detailed billed storage and compute unit breakdowns.
- These features are designed to support pay-as-you-go billing transparency.
- The rollout will occur automatically; no configuration changes are required.
- Features will be enabled by default for all tenants.
Visual examples:
Screenshot 1: Data Security Investigations cost estimator
Screenshot 2: Data Security Investigations usage dashboard
[What you can do to prepare:]
- No admin action is required before rollout.
- Consider notifying your users about these changes.
- Update any internal documentation that references DSI billing or cost management.
- Learn more:
[Compliance considerations:]
No compliance considerations identified, review as appropriate for your organization.