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MBOX to MSG Converter for Java Applications

Intuitive Java API to convert email files between formats. MBOX to MSG conversion code sample and its integration with Java projects.

Convert MBOX to MSG using Java API

Aspose.Email for Java provides an efficient and reliable solution for converting email files between various formats. It simplifies the process of email format conversion by providing a straightforward and efficient API. Try the concise and straightforward code sample that demonstrates the ease and efficiency of the email format conversion process. The code represents classes and methods for creating objects and manipulating them enabling developers to handle email data with ease and precision and achieve reliable and accurate results.

With the Java API, you don’t have to worry about complex algorithms or tedious manual work, saving time and effort for more important tasks to take your email processing applications to the next level.

How to Install Aspose.Email for Java Library

To start utilizing the capabilities of the powerful and feature-rich Java API is easy with one of the following actions:

  • download its latest version from Maven

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

<repository>
<id>AsposeJavaAPI</id>
<name>Aspose Java API</name>
<url>https://repository.aspose.com/repo/</url>
</repository>
<dependency>
<groupId>com.aspose</groupId>
<artifactId>aspose-email</artifactId>
<version>version of aspose-email API</version>
<classifier>jdk17</classifier>
</dependency>

In case of difficulties or questions regarding the installation process of the API, please visit the Installation section of our documentation .

How to Convert MBOX Files to MSG Format

Converting MBOX files to MSG format offers several benefits. MSG is used by Microsoft Outlook to store email messages with attachments and metadata. This conversion allows easy migration of email data to MSG-supporting clients while preserving original formatting and metadata. It improves organization and management by saving each email as a separate MSG file for easier searching, archiving, and sharing.

Aspose.Email for Java is a powerful API that provides comprehensive functionality for working with email messages, contacts, calendars, and tasks in Java applications. To convert MBOX files to MSG format, the library offers a MboxStorageReader class which is used to read MBOX files and create a reader object. The MailMessage class is used to create an object representing an e-mail message. It allows to access message properties, such as subject, body, sender and recipients addreses, etc. With its methods, you can create, load and parse, modify, save emails, or perform other manipulations with them. The SaveOptions class provides options for saving email messages. The code snippet below demonstrates the usage of Aspose.Email for Java classes to extract and convert email messages from an MBOX file for further use, storage, or transfer in the MSG format. For more information about the API high code features, please visit our reference resources .

Steps to Convert MBOX to MSG via Java

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

  1. Load the mbox file using MboxStorageReader.createReader() method.
  2. Create the output directory if it does not exist.
  3. Iterate through the mbox messages by enumerating MailMessage objects with the enumerateMessages() method.
  4. Generate a file path for each message in the output directory.
  5. Save each message as a .msg file using the save() method with SaveOptions.getDefaultMsgUnicode() .

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 MBOX to MSG - Java

// Load mbox file
MboxStorageReader mbox = MboxStorageReader.createReader(mboxFilePath, new MboxLoadOptions());
// Ensure the output directory exists
new File(outputDirectory).mkdirs();
// Iterate through mbox messages and save them as .msg files
int count = 1;
// Enumerate through mbox messages
for (MailMessage message : mbox.enumerateMessages()){
    // Generate .msg file path
    String msgFilePath = outputDirectory + "Message" + count + ".msg";
    // Save each message as .msg file
    message.save(msgFilePath, SaveOptions.getDefaultMsgUnicode());
    System.out.println("Message " + count + " saved as: " + msgFilePath);
    count++;
}
 

What is MBOX File Format?

The MBOX file format is a standard format for storing and organizing email messages in a concatenated format within a single file. It typically consists of a collection of email messages, each separated by a “From” header, making it a common choice for archiving and transferring emails across different email clients and systems.

What is MSG File Format?

MSG is a file format used by Microsoft Outlook to store emails, contacts, calendar items, tasks, and other information. An MSG file contains all the components of an email, including the message body, attachments, sender and recipient information, subject, date, and other metadata. This format allows users to save individual email messages or entire folders in a single file for easy storage and sharing. MSG files can be opened and viewed by Microsoft Outlook and some other email clients, but may not be compatible with all email programs.

File Format Conversions supported by Aspose.Email for Java

Aspose.Email for Java offers an extensive set of file format conversions designed to seamlessly handle emails, contacts, calendars, attachments. It empowers developers to effortlessly manipulate and transform data to meet the diverse needs of their applications. Implementing file format conversions in email applications facilitates their interoperability and elevates efficiency. Overall, the library supports conversion from EML , EMLX , ICS , MBOX , MHTML , MSG , OFT , OLM , OST , PST , VCF to other formats elevating user experience.
  • MBOX to MSG Conversion Live Demos

    Other Supported Conversions

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

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