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Convert PST to MBOX in Java

Native PST to MBOX conversion using Java Email library, without needing any additional software.

How to Convert PST to MBOX Using Java

In order to render PST to MBOX, we’ll use

Aspose.Email for Java

API which is a feature-rich, powerful and easy to use conversion API for Java platform. You can download its latest version directly from


and install it within your Maven-based project by adding the following configurations to the pom.xml.


<name>Aspose Java API</name>
<version>version of aspose-email API</version>

Steps to Convert PST to MBOX via Java

Java programmers can easily convert PST file to MBOX in just a few lines of code.

  • Load PST file with PersonalStorage.fromFile.
  • Call the saveAs() method having two parameters.
  • Output MBOX file and FileFormat.Pst as parameters.
  • Open MBOX file in compatible program.

System Requirements

Before running the Java conversion code, make sure that you have the following prerequisites.

  • Microsoft Windows or a compatible OS with Java Runtime Environment for JSP/JSF Application and Desktop Applications.
  • Get latest version of Aspose.Email for Java directly from Maven .

Convert PST to MBOX - Java

PersonalStorage sFile = PersonalStorage.fromFile("sourceFile.pst");

sFile.saveAs("outputFile.mbox", FileFormat.Mbox);    
  • PST to MBOX Conversion Live Demos

    Other Supported Conversions

    You can also convert PST into many other file formats including few listed below.

    PST TO EML (Outlook Email Messages)
    PST TO EMLX (Apple EMLX Format)
    PST TO HTML (Hyper Text Markup Language)
    PST TO ICS (iCalendar)
    PST TO MHTML (Web Page Archive Format)
    PST TO MSG (Outlook & Exchange Format)
    PST TO OFT (Outlook Email Templates)
    PST TO OST (Offline Storage Files)
    PST TO VCF (Virtual Card Format)