Add Multiple PST Files - Version 2.0 Working with vast collection of PST file makes you work fast and quicker. But to add multiple PST files to Outlook and to open multiple personal folders in outlook you need to use AddPST software. To make this situation possible you have to try exclusive SysTools AddPST tool which make comfortable to add multiple PST to Outlook at once. By using this application you can easily fetch your multiple PST files information in the same time. Software adds entire information like email, contacts, calendars, journal, task etc. You can also try out the free demo version of add PST tool which allow to add 5 MB PST files at a time. For completely add multiple PST file to Outlook once you have to purchase full version of software available at $29 only. For and technical quires you can directly contacts to out 24x7 technical support team.