Purchase reasonable Outlook PST Upgrade tool to upgrade Outlook XP to 2007 instantly and easily. Upgrade PST software upgrades Outlook PST version and extends the size limit of Outlook PST from 2GB to 20GB. This utility provides you an easy way to upgrade Outlook PST version and to upgrade Outlook personal folder with all of its email metadata information. Due to the corruption of PST file many users want to increase Outlook PST file size. But now you can increase of PST size limit up to 20GB and upgrade Outlook 2000 to 2007 easily with SysTools PST Upgrade tool. Convert old PST to Unicode PST as well as convert Unicode PST to ANSI PST easily with the help of Outlook PST Upgrade tool. PST file conversion tool provide you an easy and simple user interface that helps you to upgrade your Outlook environment with an expeditious way. You can download free trail edition that can convert only first three folders from Outlook PST file. If you want to convert unlimited PST files into ANSI or Unicode PST format then you will be need to purchase full version of Upgrade Outlook XP to 2007 PST tool which is available in the market just at $49 (personal license for only single user) and $129 (business license).