Synchronize Outlook PST Files - Version 2.4 Microsoft Outlook PST files grow multiple due to continuous uses of Outlook. If you are using Outlook as personal email client then you have collected huge collection of PST files into Outlook mailboxes. No need to go anyplace regarding to this. Come and use state-of-the-art SysTools PST Merge Software to combine too many PST files into single PST. Outlook users simply merge Outlook PST files like MS Outlook PST Journals, Calendar, Address Book, To-Do List, Task, Contacts Information and Email attachments etc to one PST file. After merging PST files you can save your valuable time. Single PST files has many advantage, most important are bring up below:* Easy to Search Desired Information: Searching targeted information from multiple collections of PST files can be a long and time-consuming process as you have to open each and every folder till you are not found resulted information. Other hand it becomes easy after synchronize Outlook PST files by merging multiple PST files into single PST.