CmdID / PowerShell / Cmdlets / Get
Get-MailboxRegionalConfiguration
Use the Get-MailboxRegionalConfiguration cmdlet to view the regional settings of a mailbox. Exchange PowerShell reference
From the Exchange PowerShell reference 6 parameters Its page in the reference
Parameters
-IdentityThe Identity parameter specifies the mailbox that you want to view.-Archive-DomainControllerThe DomainController parameter specifies the domain controller that's used by this cmdlet to read data from or write data to Active Directory.-MailboxLocation-UseCustomRouting-VerifyDefaultFolderNameLanguageThe VerifyDefaultFolderNameLanguage switch verifies that the default folder names are localized in the language that's specified for the mailbox (the Language property value).