CmdID / PowerShell / Cmdlets / Get
Get-PublicFolderStatistics
Use the Get-PublicFolderStatistics cmdlet to retrieve statistical information about public folders, such as folder size and last logon time. Exchange PowerShell reference
From the Exchange PowerShell reference 5 parameters Its page in the reference
Parameters
-IdentityThe Identity parameter specifies the GUID or public folder name that represents a specific public folder.-DomainControllerThe DomainController parameter specifies the domain controller that's used by this cmdlet to read data from or write data to Active Directory.-MailboxThe Mailbox parameter specifies the identity of the hierarchy public folder mailbox.-ResultSizeThe ResultSize parameter specifies the maximum number of results to return.-ServerThe Server parameter filters the results by the specified Exchange server.