Convert non Unicode to Unicode with the help of SysTools PST upgrade tool. SysTools developed an effective solution for the issue of email conversion / size limit of Microsoft Outlook. So, just avoid corruption due to oversize limit and choose the best option to convert ANSI PST to Unicode PST. Convert PST to Unicode utility supports to convert all the mail folders like Inbox, Outbox, Sent Items, Drafts, Deleted Items, and Contacts etc. Unicode to ANSI converter is an adequate tool which provides simple user interface. Latest version of Microsoft Outlook has 20 GB storage limits with advanced features such as Calendars, Tasks. This utility is able to upgrade and degrade of your Outlook environment and manage Outlook mailbox size. By using this tool you can efficiently upgrade MS Outlook (convert Outlook PST 2 GB to 20 GB). With the help of this utility you will be able to convert Outlook PST file to 2007 but would not be able to convert corrupt PST file (already exceeds 2 GB). This utility is capable to transmit all of its email metadata information (to, cc, bcc, from, sent/received date & time, attachments etc). SysTools PST upgrade tool is a cost - effective tool which convert ANSI PST (Microsoft Outlook 2000, 2002 & XP) to Unicode PST (Microsoft Outlook 2003 & 2007). Demo version of SysTools PST upgrade tool allows users to convert only first 10 items (ANSI to Unicode and Unicode to ANSI). Demo version is available at free of cost, by using demo version you can examine its entire feature before buying full version. Try it to free and get full version to convert all items at $49 (personal license) and $129 (business license).