*For this entry exists the more relevant or more recent entry MC1191923
check before: 2026-01-01
Product:
Exchange, Purview, Purview Communication Compliance, Purview compliance portal
Platform:
Online, Web, World tenant
Status:
In development
Change type:
Links:
Details:
A new capability called Auto-Archiving for Exchange Online will enter public preview in November 2025 (currently under private preview for selected customers). When a user's mailbox utilization exceeds 95% of its quota and archive mailbox is present, this feature automatically moves the oldest items excluding those tagged with “Never Move to Archive” from the primary mailbox to the archive mailbox to prevent mail flow disruptions by keeping usage below the safe threshold of 95% of mailbox quota.
Change Category:
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Scope:
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Release Phase:
General Availability, Preview
Created:
2025-10-24
updated:
2025-10-24
Public Preview Start Date
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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**
Please, look at the most relevant linked item for details
explanation for non-techies**
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** AI generated content. This information must be reviewed before use.
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Last updated 2 days ago ago
