40000 emails hidden ("no items to show in this view") after moving HUGE pst from Outlook 2003 to Outlook 2010

Outlook 2003 on an XP pro CPU had a 16 gig OldPST.pst with this structure
    40000 entries at root level
    \folder1 has another 100 emails
    \folder2 has another 50 emails
    \folder20 has another 150 emails

I moved the PST to a new windows 7 pro running Outlook 2010 which already had a NewerPST with a week of activity. Now the structure is

    300 emails from last week of activity

   "no items to show in this view" instead of  40000 entries at root level
    \folder1 has another 100 emails which are visible
    \folder2 has another 50 emails which are visible
    \folder20 has another 150 emails which are visible

Nonetheless,  I am sure the 40000 emails are still there because I have a 3rd party indexing tool from x1.com.  When I enter search criteria that says "show me everything in oldpst  it shows me all 40000, and I can double click on anyone of them to open the email.  I can ever reply to the emails.

How can I "unhide" those entries.

I tried running SCANPST.  It ran for about 3 hours then told me in had found some errors. I told it to proceed and 2 hours later it completed normally.  

When I reopened outlook, and went to the OldPST\Inbox, Outlook displayed "preparing view", followed by a 10 minute stall, followed by "no items to show in this view".

Any ideas?

Who is Participating?
Ben HartConnect With a Mentor Commented:
Have you tried resetting the view in Outlook?
rberkeConsultantAuthor Commented:
Ben HartCommented:
Open Outlook 2010, along the top edge click on View, then Reset View on the left.
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rberkeConsultantAuthor Commented:
Outlook.exe /cleanviews  did not help
rberkeConsultantAuthor Commented:
oops, I must have had a typo. I tried it again and it solved my problem.

Thanks a ton, that was much easier than I expected.
rberkeConsultantAuthor Commented:
I wish I could give an A+++ grade. That really saved me a LOT of trouble.
John HurstBusiness Consultant (Owner)Commented:
I assume that old PST did not wind up in an Archive PST file.

Consider trying the following: Make a new PST in Outlook (different than your main one and also back up your main one before you start). Then Import the old PST file into the new PST file. This will take some long time so set up the test when the computer will not be otherwise engaged.

.... Thinkpads_User
rberkeConsultantAuthor Commented:
For future researchers -- Post #39176321 contained good advice, but the advice was NOT needed to solve my problem.  Thinkpad only posted the advice because I erroneously said that /cleanviews didn't work.
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