This concise guide explains the procedure to merge PST files in Java. You will learn how to combine PST files in Java by using only a minimal set of code instructions. This operation can be performed across all Java-supported platforms, including macOS, Windows, and Linux.

Steps to Combine Outlook PST Files in Java

1. Configure the development environment by adding the Aspose.Email JAR file
2. Open the destination PST file with the help of the PersonalStorage class
3. Prepare a collection of source PST files that are required for merging
4. Combine the PST files by invoking the mergeWith method

The steps mentioned above describe a simple approach to merge PST in Java. First, the destination PST file is opened, and afterward, multiple PST files are included through a collection. Finally, the PST files are merged and stored to finish the operation.

Code to Merge PST in Java

This example demonstrates that building an application to join PST files in Java is possible by leveraging a simple API interface with just a few method invocations. The process is straightforward, allowing you to either create a new PST file or load an existing one and merge it with other files. In the last step, the MergeWith method is applied to combine the PST with multiple PST files present on disk or provided through a stream.

In this article, we explored how to combine Outlook PST files in Java. If you are also interested in splitting PST files, you can check the guide on splitting PST files in Java.