Convert Outlook Mailbox - Version 2.0 SysTools have an answer how to convert Outlook mailbox to ANSI to Unicode with most skilful manner. Outlook PST Upgrade helps you to export Outlook PST files into both ANSI and Unicode PST file format. Outlook PST conversion tool successfully perform both upgradation and degradation process so as to users can convert upper version PST file (Unicode PST) to lower version PST file (ANSI PST) and lower version to upper version PST file. Software easily keeps all Meta data information like to, cc, bcc, sent/received dates and times intact. PST Upgrade is safe to install and easy to use even a novice users can successfully use this PST conversion utility to export PST files. You can download free demo version of the tool to convert only first three folders from Outlook PST files. But to convert all PST files to ANSI or Unicode PST format, you need to purchase full licensed version of the tool at just only 49 USD for personal license and 129 USD for business license.