Are you fed up with your corrupt Outlook PST data due to oversized limit? No need to worry because SysTools has an advanced Outlook data upgrade tool which can successfully upgrade outlook data file. Upgrade Outlook data tool easily maintain all of its email metadata information (to, cc, bcc, from, sent/received date and time, attachments etc.).Upgrade Outlook data tool is an easy-user-interface and able to upgrade Outlook to window 7 & other Outlook versions and extend PST data size. By default, .PST files are in the Unicode format in Outlook 2007 and in Outlook 2003. The overall size of the ANSI .PST files is 2 GB but, the limit for a Unicode .PST file in Outlook 2003 and 2007 is configured to be 20 GB. So, don't waste your important time to upgrade your MS Outlook environment and avoid corruption of corrupt PST file due to oversized limit. PST data upgrade tool is a comprehensive implement that encourage the people to upgrade their Outlook environment. PST data upgrade software supports to convert all the mail folders like Inbox, Outbox, Drafts, Deleted Items, and Contact etc. By using upgrade Outlook data converter you can easily upgrade and degrade your Microsoft Outlook. This utility efficiently converts ANSI PST (Microsoft Outlook 2000, 2002 & XP) to Unicode PST (Microsoft Outlook 2003 & 2007). Demo version of SysTools PST Upgrade will allow users to convert only first 10 contacts to other version of Outlook. Demo version (with limited features) of PST upgrade tool is available at free of cost. Try it to evaluate its efficiency and conversion capabilities and purchase full version of this utility at $49 (personal license) and $129 (business license).