Increase Outlook Personal Folder Size - Version 2.0 Increase Outlook PST size limit – How to IncreaseOutlook personal folder size and rid of corruption?Using SysTools PST Upgrade software you will be able toopen old version PST files in Outlook 2007 and Outlook2010. Outlook is very popular email application it usestwo PST files for data storing one is ANSI PST filesand another is Unicode PST files. ANSI is the oldversion of Outlook PST files poses 2GB data storagecapability and Unicode is the new version of OutlookPST its poses 20GB data storage capability. Beyond thislimit PST file will get corrupt you might be need toconvert ANSI PST file into Unicode format. Software iscompatible with all Windows version like Win98,Win2000, Win XP, Win Vista and Win 7. Free PST Upgradesoftware is available only for your satisfaction butwith demo version you can upgrade only first threefolders. License version of PST Upgrade software isavailable only at $49.