With ANSI to Unicode converter tool, Outlook users simply convert PST from ANSI to Unicode PST format. Get Export PST file tool that helps you to move old PST files to new computer or convert old PST to new Outlook PST such as Outlook 2003, 2007 and 2010 (32-bit) file formats without any data loss. SysTools provides you advance PST conversion tool to import PST in Outlook 2007 with all Outlook mail folders such as Outbox, Inbox, Sent/Deleted items etc with ease. Outlook ANSI is the old and earlier version of Outlook poses 2GB limitation on PST beyond this limit PST get corrupts. You might need to convert ANSI PST to Unicode format because Unicode is the latest version of Outlook PST and it poses 20GB limitation on PST, you can store more data in Unicode from ANSI. ANSI to Unicode PST converter helps you to convert ANSI PST files to Unicode PST file and provides 20GB storage facility. It is user friendly interface you can easily upgrade or downgrade Outlook PST file with just few clicks. Demo version of Upgrade PST tool is available and trial version to evaluate the software efficiency. Purchase full version of PST Upgrade tool and upgrade complete PST files from Microsoft Outlook. You can buy PST Upgrade tool only at 49 USD.