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Access Old & New PST File Data Altogether With PST Merge

Nothing turns out to be more impossible than accessing both old and new PST file data together in the same file. Although there is one solution, by which this can be done: Merging both the PST files. In case you are a regular user of Outlook, you might as well be aware of the fact that there exists no manual method, by which this purpose can be fulfilled. Therefore, the only way to make this happen is to make use of a third party tool that can efficaciously do this task for you. One such tool, which we are going to review, is PST Merge.

As the name suggests, PST Merge is a tool that is used to merge Outlook PST files into a single PST. However, there is more to this tool, than visible. PST Merge is a highly efficient tool that comes with three different ways to merge the PST files. What more, the software allows merging more than two PST files at a time. You can save all the PST files that have to be merged in a single folder and then add the folder in the software. It will merge all the PST files enlisted in the folder into a single PST.

The software merges both UNICODE and ANSI PST files in a single PST. The format of the resultant PST file will be UNICODE, which is accessible in Outlook 2003 and later versions. In order to give you a complete understanding of the software, we have given a complete illustration of the features and working of the software. Have a look.

Merging PST Files with PST Merge

PST Merge combines multiple PST files by providing number of option to the users. Let us start with the working of the tool in order to get a better understanding.

  1. Add Multiple PST Files

The software can merge multiple PST files at the same time. The user can add the PST files one by one by Add File option or can also add the files altogether by saving them in a single folder. Then the complete folder can be added by Add Folder option.


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  1. Merging Options

There are three options in order to merge the PST files. We will explain each one in detail.


The Join option is used to join the entire data of multiple PST files. When selected, this option joins the selected PST files and creates different folders for each PST file under a single folder named as PST Merged. The PST files are saved with the name Personal Folder (1), Personal Folder (2) and so on.


The software gives the option to Exclude Deleted Items when the user selects Join option for joining the PST files. This prevents the deleted items from being joined.



The Merge option is used to merge multiple PST files in a single PST. The software merges the multiple PST files by merging the items of alike folders in a single folder of the file. For example, the inbox folder mails of each PST file will merge in a single Inbox folder for the resultant PST file.


The software offers two options when Merge is selected. The Remove Duplicates option removes the duplicate items from merging into the output PST file. The Exclude Deleted Items option prevents the exclude items from merging.




The Merge Contacts option is used exclusively for merging the contacts of multiple PST files in to a single PST file.

The Exclude Duplicates option excludes the duplicate contacts from getting merged together.


Versions Of PST Merge

  • Trial Version

The trial or the demo version of PST Merge can be downloaded in order to get a trial of the working of the software. It is available absolutely for free. However, it has certain limitations as compared to the license version.

  • License Version

The license version can be purchased from the official website of MS Outlook Tools. The license version does not pose any limitations and performs the complete functions of the tool.


  • 3 different ways to merge PST files.
  • Support for merging bulk PST files.
  • Provision to exclude duplicate and deleted items.


  • No preview of PST files before merging.
  • The different merging options might create confusion for naïve users.


On the grounds of effectiveness and the great options offered by the tool, we would like to rate it as 9.7/10. Although, the different merging options might create some confusion, but when clear about them, a user can deploy them for convenient merging of PST files.

By Peter Baris

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