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As per this article, in order to export mailbox contents from Exchange 2007, you need to use a 32-bit computer with the following software installed:

  • Exchange 2007 management tools
  • Outlook 2003 or Outlook 2007

The 32-bit requirement comes from Outlook, which until the 2010 release wasn't available as a 64-bit application, so it wasn't able to interact with x64 Exchange management tools.

However, Outlook 2010 has a 64-bit version; thus, my question: if I install Outloook 2010 x64 on an Exchange 2007 (x64) server, will I be able to directly export mailbox contents from there, without the need to deploy a 32-bit computer only for this task?

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up vote 2 down vote accepted


Unless something has changed over the years with some new patch or hotfix to 2007, and I don't think it has, it still won't work. The error will still kick out because it looks at the OS and not the app, looking for a 32bit OS itself. I recall having to go with a 3rd party program because of this issue in the past.

UPDATE: I found this: and it appears to confirm the same issue still holds true:

I confirm, it doesn't work, I try to do it but no success...

When you run the command:

Export-Mailbox -Identity rfederer -PSTFolderPath E:\PST

you obtain:

You are running on a 64-bit computer. To export to or import from a .pst file, you must be running a 32-bit computer that has Outlook 2003 SP2 or later installed. At line:1 char:1

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Agreed: it doesn't work :( – Massimo Sep 30 '13 at 14:38

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