check before: 2026-07-01
Product:
Purview
Platform:
Web, World tenant
Status:
In development
Change type:
Links:
Details:
Previously, auto expanding archive mailbox expansion was supported only up to 1.5 TB, after which mailboxes would become inoperative. Archive mailboxes can now automatically expand beyond the 1.5 TB limit, ensuring uninterrupted retention and enabling scalable archive growth as storage thresholds are reached. This capability will be offered as a consumption‑based feature for auto expanding archive beyond 1.5 TB and will be billed at $0.25 per GB per month (or $0.0082 per GB per day).
Change Category:
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Scope:
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Release Phase:
General Availability
Created:
2026-04-24
updated:
2026-04-24
Docu to Check
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MS workload name
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summary for non-techies**
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Direct effects for Operations**
Auto Expanding Archive Limit Increase
Without proper preparation, users may experience disruptions in email access if their archive mailboxes exceed the previous limit of 1.5TB, leading to potential data loss or inaccessibility of important emails.
- roles: IT Administrator, End User
- references: https://techcommunity.microsoft.com/t5/security-compliance-identity/microsoft-purview-data-lifecycle-management/ba-p/3651230
Cost Implications of New Feature
The introduction of a consumption-based billing model for auto expanding archives may lead to unexpected costs for the organization if not monitored, impacting budget planning and resource allocation.
- roles: Finance Manager, IT Administrator
- references: https://techcommunity.microsoft.com/t5/security-compliance-identity/microsoft-purview-data-lifecycle-management/ba-p/3651230
Configutation Options**
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Data Protection**
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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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Last updated 3 weeks ago ago
