For more information, see the "Inactive mailboxes and auto-expanding archives" section in Overview of inactive mailboxes. If auto-expanding archiving is enabled on an inactive mailbox, the only way to recover data is by using the Content search tool in the Microsoft 365 compliance center to export the data from the mailbox and import to another mailbox. That means if you enable auto-expanding archiving for a mailbox and the mailbox is made inactive at a later date, you won't be able to recover the inactive mailbox (by converting it to an active mailbox) or restore it (by merging the contents to an existing mailbox).
#Online archiver archive#
To enable the archive for a shared mailbox, an Exchange Online Plan 2 license or an Exchange Online Plan 1 license with an Exchange Online Archiving license is required.Īuto-expanding archiving prevents you from recovering or restoring an inactive mailbox. See the More information section for an example of the PowerShell command that you can use to enable archive mailboxes for all users in your organization.Īuto-expanding archiving also supports shared mailboxes. You can also use PowerShell to enable archive mailboxes. If a user is assigned an Exchange Online Plan 1 license, you would have to assign them a separate Exchange Online Archiving license to enable their archive mailbox. A user must be assigned an Exchange Online Plan 2 license to enable the archive mailbox. Alternately, you have to be a member of a role group that's assigned the Mail Recipients role to enable auto-expanding archiving for specific users.Ī user's archive mailbox has to be enabled before you can enable auto-expanding archiving. You must be a global administrator in your organization or a member of the Organization Management role group in your Exchange Online organization to enable auto-expanding archiving for your entire organization or for specific users. Before you enable auto-expanding archiving For more information about auto-expanding archiving, see Overview of auto-expanding archiving. You can turn on auto-expanding archiving for everyone in your organization or just for specific users. When auto-expanding archiving is turned on, additional storage space is automatically added to a user's archive mailbox until it reaches the storage limit of 1.5 TB. You can use the Exchange Online auto-expanding archiving feature to enable additional storage space for archive mailboxes. Enable auto-expanding archiving - Admin Help