How Can I Merge 2 PST Files - Version 3.0 Do you think “how can I merge 2 PST files” because you have numerous PST files together. If you have number of PST files together that's reason you have to face problem so you can use PST merge application manager to merge 2 PST files in Outlook. The application allows you to merge two or more than two PST files into single PST file within a minute.If you get PST merge application provided by our group. So you can merge Outlook PST files as well as emails, contacts, calendars, to do list etc. If you have Outlook 2000, 2003, 2007 Outlook data and you need to merge these data into Outlook 2010. So, you can easily merge 2 PST files with our software. You can remove duplicate files from Outlook. Use trial version software for getting practical knowledge. With trial version you can merge first three folders in each file. Buy full process version software key for merging multiple files into one file. Get personal software key is on $69 and business software key on $199. If still the problem persist then user can opt for our technical support expert to