I have an excel file with first name and last name listed. I want to use that file (can make it text or csv file) and extract the email alias for each of these and output it to a csv file.

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Hi dcsalsero Do you mean that just get the Email Alias that in a CSV file include a list of "FirstName" and "LastName" ? If yes, you could first Create the CSV file like ------------------------ FirstName LastName Peter Brown Tom Lee ------------------------- And Then use command Import-CSV this file, after that, create a Foreach Loop, in the loop, use Get-User and Where-Object Cmdlet to filter out the User, Finally run Get-Mailbox Cmdlet to get user alias, display name and Export to a new CSV file Cheers Zi FengZi Feng TechNet Community Support

Hi dcsalsero, Please try above suggestion, and make some tests. Or, refer to below: http://social.technet.microsoft.com/Forums/en-US/exchangesvradmin/thread/dbef279c-4f71-4412-aef8-fb06a79fe821 Regards!Gavin TechNet Community Support