[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.
Source: Microsoft
Latest Posts
- Amazon OpenSearch UI supports CMK and increased metadata size

- Microsoft 365 Copilot: Streamline SharePoint list creation with new list agent [MC1208689]
![Microsoft 365 Copilot: Streamline SharePoint list creation with new list agent [MC1208689] 3 pexels minan1398 1006098](data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==)
- Microsoft 365 Copilot: Video Overviews in Copilot Notebook [MC1208690]
![Microsoft 365 Copilot: Video Overviews in Copilot Notebook [MC1208690] 4 pexels alljos 866351](data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==)
- Microsoft Office for the web: Apply sensitivity labels with user-defined permissions [MC1208688]
![Microsoft Office for the web: Apply sensitivity labels with user-defined permissions [MC1208688] 5 pexels freestockpro 1003851](data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==)
![Microsoft Purview: Data Security Investigations – Introduction of cost estimator and transparency report [MC1186360] 1 Microsoft Purview: Data Security Investigations – Introduction of cost estimator and transparency report [MC1186360]](https://mwpro.co.uk/wp-content/uploads/2024/08/pexels-padrinan-1111317-1024x683.webp)

![Microsoft 365 Copilot: Streamline SharePoint list creation with new list agent [MC1208689] 3 pexels minan1398 1006098](https://mwpro.co.uk/wp-content/uploads/2024/08/pexels-minan1398-1006098-150x150.webp)
![Microsoft 365 Copilot: Video Overviews in Copilot Notebook [MC1208690] 4 pexels alljos 866351](https://mwpro.co.uk/wp-content/uploads/2024/08/pexels-alljos-866351-150x150.webp)
![Microsoft Office for the web: Apply sensitivity labels with user-defined permissions [MC1208688] 5 pexels freestockpro 1003851](https://mwpro.co.uk/wp-content/uploads/2025/06/pexels-freestockpro-1003851-150x150.webp)
![Microsoft SharePoint: Update to custom scripting governance in App Catalog site [MC1186368] 9 Microsoft SharePoint: Update to custom scripting governance in App Catalog site [MC1186368]](https://mwpro.co.uk/wp-content/uploads/2024/08/pexels-googledeepmind-25630342-150x150.webp)