This function retrieves the regional configuration settings (language, time zone, date format, time format)
for Exchange Online mailboxes.
It can filter mailboxes by identity or by domain.
This cmdlet supports the common parameters: -Debug, -ErrorAction, -ErrorVariable, -InformationAction, -InformationVariable, -OutVariable, -OutBuffer, -PipelineVariable, -Verbose, -WarningAction, and -WarningVariable. For more information, see about_CommonParameters.