PST Upgrade and downgrade from SysInfoTools is a
powerful PST conversion tool to upgrade or degrade MS
Outlook PST files. Using SysIfoTools a user can
convert ANSI PST files created using MS Outlook 2000,
2002, xp to Unicode PST Files of MS Outlook 2003 and
2007 similarly it can convert unicode PST file of MS
Outlook 2003 and 2007 to ANSI PST file of MS Outlook
2000, 2002, xp.
Microsoft Outlook 2000, 2002, XP have overall size
limit of 2GB for personal folder, PST files created
in these version have ANSI File format and if the size
of PST file exceeds then 2GB then PST file gets
corrupted. To avoid and overcome this type of
situation this tool can be very helpful, to avoid
corruption ANSI PST files of earlier version of
Microsoft Outlook can be upgraded into UNICODE PST
file of Microsoft Outlook 2003 and 2oo7 using this
tool. Microsoft Outlook 2003 and Microsoft Outlook
2007 have a larger overall size limit 20 gigabytes
(GB) for the personal folders (.pst) file than
the .pst files that are in the earlier versions of

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