共有メールボックス取得

Get-Mailbox -ResultSize Unlimited -RecipientTypeDetails SharedMailbox | Select DisplayName,PrimarySmtpAddress  | Export-CSV -Encoding UTF8 -Path "C:\Script\PrimarySmtpAddress.CSV"

共有メールボックス

Get-Mailbox -ResultSize Unlimited -RecipientTypeDetails SharedMailbox | Select DisplayName,PrimarySmtpAddress | Export-CSV -NoTypeInformation -Encoding UTF8 -Path "C:\Temp\PrimarySmtpAddress.CSV"