How To Merge Two Outlook PST Files - Version 3.1 How to join together two or multiple Outlook PST files? By merging these two PST files users can easily use PST merge software and combine unlimited PST files from any Outlook email program like (2013, 2010, 2007) and ANSI based older version as well. Although one of the best feature of this tool is user can easily skip all the errors and corruption and in this way they neither lose their data nor the chances of PST file corruption. Even this tool will make the Meta data safe. Software can also deleted the copied data and search any quarry speedily. While merging the email you will get three options (merge contacts, join and merge). To know more about the software download free demo version and check the profitable tool free of cost. Thus you can merge 5 PST files as well. As you find reliable product you can go for license key. It is available at $69 only (for personal users). User can also talk to our technical support expert if they still face any issue like hoe to merge two outlook PST files.