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Convert EML to MSG via C#

EML to MSG C# conversion using .NET API without needing Outlook® or Thunderbird®.

How to Convert EML to MSG Using C#

In order to convert EML to MSG, we’ll use

Aspose.Email for .NET

API which is a feature-rich, powerful and easy to use document manipulation and conversion API for C# platform. Open


package manager, search for Aspose.Email and install. You may also use the following command from the Package Manager Console.

Package Manager Console Command

PM> Install-Package Aspose.Email

Steps to Convert EML to MSG via C#

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

  • Load EML file with MailMessage.Load.
  • Call the Save method.
  • Pass the output file path with MSG file extension.
  • MSG file will be saved at the specified path.

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 EML to MSG C# Conversion

// Load mail message
using (var message = MailMessage.Load("sourceFile.eml", new EmlLoadOptions())){
	// Save as MSG
	message.Save("output.msg", SaveOptions.DefaultMsgUnicode);
  • Free App to Convert EML to MSG

    Other Supported Conversions

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

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