Applies to: Exchange Server 2013

This topic no longer applies to the cloud-based service. It applies only to on-premises Exchange 2013. To see the current version of the topic that applies to the cloud-based service, change the (v=exchg.150) value in the URL to (v=exchg.160).

Use the Get-PublicFolderStatistics cmdlet to retrieve statistical information about public folders, such as folder size and last logon time.

For information about the parameter sets in the Syntax section below, see Syntax.

Get-PublicFolderStatistics [-Identity <PublicFolderIdParameter>] [-DomainController <Fqdn>] [-Mailbox <MailboxIdParameter>] [-Organization <OrganizationIdParameter>] [-ResultSize <Unlimited>]

This example retrieves statistics about the public folder Marketing\2013\Pamphlets. The output of the Get-PublicFolderStatistics command is piped to the Format-List command so that all the available information is displayed in the result.

Get-PublicFolderStatistics -Identity "\Marketing\2013\Pamphlets" | Format-List

You need to be assigned permissions before you can run this cmdlet. Although all parameters for this cmdlet are listed in this topic, you may not have access to some parameters if they're not included in the permissions assigned to you. To see what permissions you need, see the "Public folders" entry in the Sharing and collaboration permissions topic.


Parameter Required Type Description




This parameter is available only in on-premises Exchange 2013.

The DomainController parameter specifies the fully qualified domain name (FQDN) of the domain controller that retrieves data from Active Directory.




The Identity parameter specifies the GUID or public folder name that represents a specific public folder. You can also include the path using the format \TopLevelPublicFolder\PublicFolder.

You can omit the parameter label so that only the public folder name or GUID is supplied.




The Mailbox parameter specifies the identity of the hierarchy public folder mailbox.




The Organization parameter is reserved for internal Microsoft use.




The ResultSize parameter specifies the maximum number of results to return. If you want to return statistics for all public folders that match the query, use unlimited for the value of this parameter. The default value is 100.

To see the input types that this cmdlet accepts, see Cmdlet Input and Output Types. If the Input Type field for a cmdlet is blank, the cmdlet doesn’t accept input data.

To see the return types, which are also known as output types, that this cmdlet accepts, see Cmdlet Input and Output Types. If the Output Type field is blank, the cmdlet doesn’t return data.