Convert Outlook ANSI to Unicode Conversion to convert Outlook PST files, using this tool you can easily transfer older Outlook mailboxes into newer Outlook mailboxes with added newer features and storage space. Outlook PST Upgrade is the beneficial tool to open PST files into newer Outlook versions. This PST Upgrade Software is very helpful Software for all users for converting Unicode to ANSI and also converting ANSI to Unicode. One thing is remarkable that users cannot convert corrupted PST file into Unicode. Our ANSI to Unicode Conversion tool converts only healthy PST files. ANSI is the old version PST file exists in Outlook 97 to 2002 and contains 2GB limitation on PST and Unicode is the latest version of PST exists in Outlook 2003 and 2007 and poses 20GB limitation on PST. You cannot open Unicode PST into Outlook 97/2000 and 2002 versions you need PST Upgrade tool.PST upgrades tool converts the size limit of Outlook PST from 2 GB to 20 GB. ANSI to Unicode software is successfully upgrade Microsoft Outlook with all of its email metadata information such as (to, cc, bcc, sent received date/time, attachments etc) PST Upgrade Software is easy to use tool to Upgrade Outlook PST file. Our PST upgrade tool is compatible with all Windows XP/2000/2003/Vista and Windows7 Operating System. You can download evaluation version of SysTools PST Upgrade tool demo version converts only first three folders. You can convert all folders of Outlook with full version full version is available only at $49.