Exchange 2010 Export mailboxes to PST files.

I've recently taken over exchange admin on an Exchange 2010 server which hasn't been properly maintained in years.  I have approximately 200 users that are no longer with the company and I would like to export their mailboxes to PST files for archival purposes.  I've hidden all these users from the GAL so now I at least have a criteria to filter on.   Can someone recommend a tool or a script to export these mailboxes only to PST.
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Mal OsborneAlpha GeekCommented:
Two options.

1. The Old Skool way is to use a Microsoft Utility called Exmerge. It is designed for export and import of multiple mailboxes to .PSTs. Can be obtained here: 

2. The newer way is to just do it from Powershell. Export-mailbox is the command to use. You can script it to do a list.
Kamal KhaleefaInformation Security SpecialistCommented:
use this script
but you v to fill all users in the csv file first which u need to export them

  #import exchange session

$Session = New-PSSession -ConfigurationName Microsoft.Exchange -ConnectionUri -Authentication Kerberos #check your powershell url
Import-PSSession $Session
#$mailboxes= (get-mailbox |select samaccountname)
#$mailboxessam= (get-mailbox |select samaccountname >> \\ip\shared\sam.csv)  # save this file to import pst using it
$mailboxessam =(get-conetent \\ip\shared\sam.csv) #  read users sam account "the file must be filled manually
   ForEach ($exportuser in $mailboxessam)
    $path="\\\sharedfolder\"+ $mailboxowner+".pst"    #choose shared path to save all exported mailboxes
   New-MailboxExportRequest -Mailbox $mailboxowner -FilePath $path
  Write-Output "Mailbox Export request for mailbox" + $mailboxowner + "were created"

  Write-Output "all mailboxes export request created"
Kim HartCommented:
Check the below given blogs for script:

How to Export Mailboxes with Exchange Server 2010 SP:

For Bulk – Export Mailboxes to PST in Exchange 2010:

Hope it helps you!

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