Exchange 2010 – Create Contacts from CSV
Create a CSV file that contains the following columns: ExternalEmailAddress Name Alias FirstName LastName OrganizationalUnit Then from the Exchange Management Shell run the following command: Import-CSV C:scriptsMyCSV.csv | ForEach-Object{New-MailContact -ExternalEmailAddress $_.ExternalEmailAddress -Name $_.Name -Alias $_.Alias -FirstName $_.FirstName -LastName $_.LastName -OrganizationalUnit $_.OrganizationalUnit}