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Have you tried the scanpst.exe on the pst file in order to see if perhaps that file got corrupted? 
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Have you tried the scanpst.exe on the pst file in order to see if perhaps that file got corrupted?

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I dont think corruption was the problem because it happened also when I tried to move the files from the temp Mailbox folder into a new .PST file. It happened also when I had the .PST file on the C: drive.<br />
<br />
I've managed it now. Instead of moving the files all at once, I moved them in batches of 100 or so. I tried 3 times previously. There were 3000 messages in one folder. It didn't like that at all.<br />
<br />

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I dont think corruption was the problem because it happened also when I tried to move the files from the temp Mailbox folder into a new .PST file. It happened also when I had the .PST file on the C: drive.

I've managed it now. Instead of moving the files all at once, I moved them in batches of 100 or so. I tried 3 times previously. There were 3000 messages in one folder. It didn't like that at all.



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Thanks. I'll accept your last comment soI can close the question<br />
<br />
Ian
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Thanks. I'll accept your last comment soI can close the question

Ian

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This is Outlook 2010 connected to Exchange 2008 on an SBS2008 server<br />
<br />
We upgraded a workstation. Previously it was Vista with Outlook 2007. The user had a 900Meg .PST file with his archived emails.<br />
<br />
Outlook 2010 seemed to be working ok until I attached this .PST file. Then it hung completely. I went back to the old machine and copied the archive emails back into his main mailbox again. Then in Outlook 2010 I created a new .PST file and tried to move the emails into it. It crashed again. <br />
<br />
Is there a known problem with Outlook 2010 and .PST files?
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This is Outlook 2010 connected to Exchange 2008 on an SBS2008 server

We upgraded a workstation. Previously it was Vista with Outlook 2007. The user had a 900Meg .PST file with his archived emails.

Outlook 2010 seemed to be working ok until I attached this .PST file. Then it hung completely. I went back to the old machine and copied the archive emails back into his main mailbox again. Then in Outlook 2010 I created a new .PST file and tried to move the emails into it. It crashed again. 

Is there a known problem with Outlook 2010 and .PST files?

Outlook 2010 and corrupt .PST

Microsoft Outlook is a personal information manager from Microsoft, available as a part of the Microsoft Office suite. Although often used mainly as an email application, it also includes a calendar, task manager, contact manager, note-taker, journal, and web browser.