Merge PST Calendar - Version 2.5 The constant & gradual uses of Outlook are only responsible for mammoth collection of MS Outlook PST files. If you manage it in well organize way then it will be a lots more beneficial for you to access single info. SysTools PST Merge Software has made the process of Merge PST Contact even more efficient or effective. So minimize your waiting time to search for single info after using sync PST tool of SysTools. Merge PST calendar tool quickly merge each and every items of Outlook like journals calendar, to-do list, contacts information and email with all attachments. This is solitary effective and time saving tools for Outlook user to merge huge collection of Outlook PST files to single PST. Our software successfully runs approximately on every version of Outlook just like 97, 98, 2000, 2003, 2007 and 2010 bit 64 and Windows version Windows 7, Vista, XP, 2000, 2003 and 98. Try it for FREE! You can download demo from the sites www.pstmerge.com. Online Demo will be merging first 5 items of per PST folder. After using the Demo, if you are satisfied, then you can purchase Personal License