Want to convert ANSI to Unicode PST format, but unable to perform this operation? Download and install Outlook ANSI to Unicode conversion tool that helps you to convert Outlook ANSI PST to Outlook Unicode PST file format with 20GB storage space. Older version (ANSI) works with older Outlook application (97/2000/2002) and newer version (Unicode) works with newer Outlook applications like 2003/2007/2010 (32-bit). Newer or latest version is advanced applications including more new features as well as storage space. And with SysTools for PST Upgrade tool you will able to convert Outlook PST files into new Outlook (Unicode) files. You can store unlimited emails into Unicode PST format and use Outlook with new graphics and simple layout. User can download free evaluation version and try demo version of PST Upgrade tool. After using trial version of ANSI Unicode conversion user can convert only 15 mails from each folders of Outlook PST. Purchase full license version of software user can convert unlimited PST files. Full license version is available $49, applicable for single user only.