Import and export .PST files in Exchange Server 2007
Is there a way to import or export my users'.PST files using a batch file in Exchange Server 2007?
There are two ways to achieve this. The easiest way is to use an older copy of ExMerge, although there is a limitation with mailboxes over 2GB. Unicode .PSTs are not supported and Microsoft has stopped developing it. Otherwise, ExMerge gives you a nice graphical user interface for the export and import of .PSTs.
The second approach is using PowerShell, which is more Microsoft-friendly. Exchange 2007 SP 1 supports both the import-mailbox and export-mailbox commandlets in PowerShell. Use and syntax are described here:
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This was first published in June 2009