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mediumExchangeauto-expanding archivingnew featurelearn_purview · Jun 25, 2026

Enable auto-expanding archiving

Administrators can now enable auto-expanding archiving in Exchange Online to provide additional storage for user mailboxes. This feature allows for organization-wide or targeted user deployment to manage mailbox storage needs.

For administrators: Learn how to enable auto-expanding archiving, which provides your users with additional storage for their Exchange Online mailboxes. You can enable auto-expanding archiving for your entire organization or just for specific users.
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Audience
admin
Environment
cloud
Ontology Topics
AZ-500
Classification confidence: 95%
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Enable auto-expanding archiving | 365Forge