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How to Enable Auto-Expanding Archive for Large Exchange Online Mailboxes
Question details
The user needs to enable auto-expanding archiving for an Exchange Online mailbox to support the migration of a large amount of existing archive data.
- Product
- Exchange Online
- Device & OS
- not provided
- Scenario
- Migrating substantial existing archive data to Exchange Online requiring an immediate, large archive capacity.
- Observed behavior
- The standard archive capacity is insufficient for the data migration, necessitating the activation of the auto-expanding archive feature to accommodate up to 1.5 TB of data.
Ensure you have the necessary Exchange administrator privileges and are securely connected to Exchange Online PowerShell before attempting to modify organization configurations.
Enable Auto-Expanding Archiving via Exchange Online PowerShell
Use standard PowerShell commands to enable the auto-expanding archive feature for your organization's Exchange Online mailboxes.
Auto-expanding archives can grow up to approximately 1.5 TB to accommodate large amounts of historical email data.
Please note that the expansion process is incremental. It may take up to 30 days after the initial archive quota is reached for extra space to be provisioned. Microsoft does not provide a supported method to force immediate provisioning of large capacities (like 200 GB).
Open PowerShell on your machine as an administrator and connect to Exchange Online by authenticating with your administrator credentials.
Execute the command `Set-OrganizationConfig -AutoExpandingArchive` to turn on the auto-expanding archiving feature for your entire organization.
Check that the setting has been applied successfully by running the command `Get-OrganizationConfig | Format-List AutoExpandingArchiveEnabled`.
Manage Your Documentation and Migration Plans with WPS Office
While Exchange Online handles your organization's email archiving needs, WPS Office serves as a highly compatible, free, and lightweight Microsoft Office alternative for drafting your migration plans, analyzing deployment data, and managing daily workflows with a familiar interface.
- 1. Download the Installer: Visit the official WPS Office website and download the free installation package for your operating system.
- 2. Install WPS Office: Run the downloaded installer and follow the quick on-screen instructions to set up the suite on your computer.
- 3. Draft Migration Plans: Launch WPS Writer or Spreadsheet to begin documenting your Exchange Online archiving strategy and timelines.
Frequently Asked Questions
How long does it take for the auto-expanding archive to provision extra space?
Expansion occurs incrementally based on usage. It can take up to 30 days for additional storage space to be fully provisioned after your mailbox reaches its initial archive quota.
Can I force an immediate increase in my Exchange Online archive capacity?
No, Microsoft does not provide a supported method to force immediate provisioning of large archive capacities (such as an instant 200 GB allocation). The process is fully automated and incremental.
What is the maximum capacity of an auto-expanding archive in Exchange Online?
Once the auto-expanding archiving feature is enabled, a user's archive can incrementally grow to a maximum capacity of approximately 1.5 TB per mailbox.
