No Shell de Gerenciamento do Exchange, execute o seguinte:
get-mailbox | %{$_.EmailAddresses} | %{$_.SmtpAddress} | out-file c:\mailboxes.csv
get-distributiongroup | %{$_.EmailAddresses} | %{$_.SmtpAddress} | out-file c:\distributiongroups.csv
get-contact | %{$_.WindowsEmailAddress} | %{$_.Local + "@" + $_.Domain} | out-file c:\contacts.csv
get-mailpublicfolder | %{$_.EmailAddresses} | %{$_.SmtpAddress} | out-file c:\mailpublicfolders.csv