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Convert MSG to MBOX via C#

MSG to MBOX C# conversion using .NET API without Outlook® or Thunderbird® dependencies.

How to Convert MSG to MBOX Using C#

Experience high-speed performance in email processing with Aspose.Email for .NET! It is a C# API that provides developers with a robust set of tools for handling email files without Outlook or Thunderbird installation, including the capability to convert between various formats. Among these capabilities, converting from .msg (Outlook Email Message) to .mbox (a storage format) files is a feature that stands out, as it allows the consolidation of multiple email messages into a single, portable file, facilitating the archival or migration of messages across different email clients that support the MBOX format.

The email-to-storage-file conversion process with Aspose.Email for .NET is straightforward. It allows for bundling numerous emails into a single manageable file, making it easier to organize, backup, and handle large volumes of messages. This is particularly helpful for users who wish to transfer their email correspondences from an Outlook environment to other email clients that predominantly utilize the MBOX format. This compatibility with multiple email clients, ensures easy data portability and access to emails without being limited to proprietary systems, thereby enhancing flexibility in email management.

The library presents a straightforward and easy-to-use object model. Converting emails typically requires only a few lines of code, abstracting away the underlying file format parsing, MIME handling, encoding issues, etc. When you use Aspose.Email for .NET, you do not need to manually process any of these aspects. Instead, you write only the high-level code required to perform the task.

Enhance your performance with a comprehensive and easy-to-use API that simplifies complex email management tasks, such as sending, receiving, and processing emails, as well as converting between various email formats. This allows developers to efficiently integrate email functionality into their applications without delving into low-level details, thus significantly reducing development time and effort.

To leverage the power of the .NET API, perform one of the following actions:

  • Open NuGet package manager, search for Aspose.Email and install it on your device.

  • Use the following command from the Package Manager Console:

PM> Install-Package Aspose.Email

Steps to Convert MSG to MBOX via C#

.NET programmers can easily load & convert MSG files to MBOX in just a few lines of code.

  1. Load the .msg file into a MailMessage object with MsgLoadOptions.
  2. Create a new MboxrdStorageWriter for the output .mbox file.
  3. Write the loaded message to the .mbox file using the writer.

System Requirements

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

  • Microsoft Windows or a compatible OS with .NET Framework, .NET Core, and PHP, VBScript, Delphi, C++ via COM Interop.
  • Development environment like Microsoft Visual Studio.
  • Aspose.Email for .NET DLL referenced in your project.
  • Include namespace in relevant class.

This sample code shows MSG to MBOX C# Conversion

using (var message = MailMessage.Load("inputFile.msg", new MsgLoadOptions())){
    using (var writer = new MboxrdStorageWriter("output.mbox", false)){
  • Free App to Convert MSG to MBOX

    Other Supported Conversions

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

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