How to Increase PST Size Limit

Increase the size limit of PST with SysTools PST Upgrade tool. Convert ANSI PST to Unicode PST and increase the PST size limit from 2GB to 20GB open Outlook 2002 PST into Outlook 2007 with 20GB space. Avoid corruption due to size limit because Outlook ANSI to Unicode is an easy-to-use tool to increase Outlook mailbox size. Software can successfully upgrade and degrade of your Microsoft Outlook.