Increase Outlook Mailbox Size

Upgrade Microsoft Outlook easily with SysTools PST Upgrade, this tool extends the size limit of Outlook PST from 2GB to 20GB. Open PST into Outlook 2003/2007 and 2010 with 20GB sized limit. This Utility Converts Upgrade and as well as degrade Outlook PST. PST Upgrade Software converts the entire mail folder like Inbox, Outbox, Sent Items, Drafts, Deleted Items, Contacts, Personal folder etc.