Merhaba aşağıdaki komutu düzenleyerekte alabilirdiniz

MailBox List

Get-mailbox | ft alias > e:\users.txt

Start-Transcript -path C:\output2.txt –append


Export All MailBox List

$userDNList = Get-Content d:\users.txt
foreach ($userDN in $userDNList)
{

$FilePath = ("\\KCEXFET2\MailboxExport01" + $userDN + ".pst")
New-MailboxExportRequest -Mailbox $userDN -FilePath $FilePath

}