Outlook PST Upgrade software to Increase Outlook Mailbox Size - Now user can easily increase Outlook mailbox size limit from ANSI to Unicode. This Outlook upgrade utility is user friendly interface user can easily upgrade Outlook personal folders from ANSI to Unicode or Unicode to ANSI. By using ANSI Unicode conversion process you can increase Outlook Mailbox size limit from 2GB to 20GB, and open old Outlook PST files into Outlook 2007/2010. This tool is compatible with all windows version like (Win98, Win2000, Win XP, Win Vista and Win7). PST upgrade is the efficient, effortless, comprehensive and affordable software to extend your PST size limits 2 GB (ANSI) to 20 GB (20 GB). PST Upgrade Software maintain all of its email Meta information (to, from, bcc, sent/receive dates and time) whole while upgrading Unicode to ANSI. SysTools PST Upgrade Software converts the entire mail folder like Inbox, Outbox, Sent Items, Drafts, Deleted Items, and Contacts etc. Free trial copy is available you can check the software features and purchase online only at 49USD.