Due to the slow speed of Outlook you need to merge multiple MS Outlook PST files into one PST folder? Achieve this aim you need any third part tool? Thanks, for using PST Merge Software for getting maximum satisfaction result. Provide a safe & secure email environment which is the only purpose of the software. Outlook mail merge software is basically design to full fill the user's requirements. So, using this Outlook Archive Merge software user can merge numerous MS Outlook PST files like Journals, Calendar, To-do list, Contacts Information, Email Attachments, Task, and Appointments etc into 1 PST file. Download DEMO version to combine entire 5 PST files at a single time. The Basic Steps to Merging five PST files by DEMO Version 1. Download the free demo version of software from the sites 2. Install easily and safely demo version of PST Merge Software 3. Select any 5 initial PST files need to merge into 1 PST 4. Click on Add Button 5. Find the location of your choice to save merged PST file 6. for comparison between merged PST and Original PST click on Compare Button If you follow all above steps you will merge 5 PST files successfully. But if you want to merge UNLIMITED MS Outlook PST files into one PST, it is necessary to Buy Full Version of Software. You have to pay $69 for Personal License and $199 for Business License. Merge multiple PST files tool support all the version of Outlook as well as Windows version such as version of Outlook 97, 98, 2000, 2003, 2007 & 2010 and Windows version Win 7, Vista, XP, 2000, 20003 & 98. Still having any query then you can contact with our support team for any type of support of Outlook archive merge files.