How to Synchronize PST Files - Version 2.5 How to Synchronize PST Files when they are huge? This is remarkable query that always keep in users mind when they start to work with Outlook. Outlook is strong source for data sharing around universe but it poor to perform when mailbox store multiple collection of MS Outlook PST Files. Give a break yourself for searching any time wasting tool. A breakthrough SysTools PST Merge V2.5 is strong selection for you to merge multiple PST information into single PST. This approach make simple and effective Outlook management environment. Merge PST Software merge items of Outlook including journals, calendar, to-do list, contacts information, email attachments and many more items which support Outlook version of Outlook 97, 98, 2000, 2003, 2007 & 2010 and Windows version Win 7, Vista, XP, 2000, 20003 & 98 successfully. You can also take trial version for understand exactly what the software do and how. This is possible by DEMO version as well as Full version. But both have a little difference, DEMO will merge only 5 PST files other hand Full Version will be merge UNLIMITED Outlook PST