For how to convert PST emails to PST 2007 format,
apply the Outlook PST Upgrade tool and increase PST
file size from 2GB to 20GB. The PST Upgrade tool
allows users to convert PST contact list to PST (means
ANSI to Unicode or Unicode to ANSI PST file format)
and upgrade Outlook personal folder at ease. By using
PST conversion utility you will be able to upgrade
your PST folders with all email metadata information
(to, from, cc, BCC, sent and received date/time,
attachments etc.) but the Outlook upgrade software can
not convert corrupt PST file (already exceed 2 GB).
Demo version is available at cost free that allows you
to convert only first 15 emails per Outlook folder of
the current PST file and you will be able to test
their conversion capabilities. But if you want to
upgrade your all ANSI PST then get full featured
software at reasonable cost just at $49 (cost is
applicable for only single user). Read more:
http://www.pstupgrade.com/increase-pst-size-limit-
20gb.html

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