Upgrade Outlook to 2007 - Upgrade Outlook 2002 PST to Outlook 2007 PST with PST Upgrade software. You can convert ANSI PST to Unicode PST ANSI is the old version of PST exists in Outlook 97 to Outlook 2002 and poses 2GB limitation on PST and Unicode is the advance and new version of PST exists in Outlook 2003 to Outlook 2010 and poses 20GB limitation on PST. This utility upgrade only healthy PST files; PST Upgrade creates a new PST that is a replica, folder by folder, of an existing one. Software does not make any changes to the original PST file. SysTools PST Upgrade tool is just like a safeguard PST file against corruption due to size limit. Our PST Upgrade software allows users to convert ANSI (MS Outlook 2000/2002/XP) to Unicode PST (MS Outlook 2003/2007) software can be used as PST conversion tool. PST Upgrade maintain all of its email Meta information (to, from, cc, bcc, sent/receive dates and time) intact while upgrading PST Files. SysTools PST Upgrade Software to convert the entire mail folder like Inbox, Outbox, Sent Items, Drafts, Deleted Items Contacts etc. This utility capably performs the part of PST changed of ANSI PST to Unicode PST. SysTools PST Upgrade software smoothly runs with Windows XP/2000/2003/Vista/7 Operating System. Our Software also provides a Demo version which allows users to convert only first 10 items per folders if you are totally agree with PST Upgrade software performance you can purchase full version at very low price for Personal License $49 and Business License $129.