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Convert ICS to MBOX via C#

ICS to MBOX C# conversion using .NET API without needing Outlook® or Thunderbird®.

How to Convert ICS to MBOX Using C#

In order to convert ICS to MBOX, 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.

<h3>Package Manager Console Command</h3>

PM> Install-Package Aspose.Email

Steps to Convert ICS to MBOX via C#

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

  • Load ICS file with Calendar.Appointment.Load.
  • Create a MailMessage and add appointment as alternate view.
  • Create an MBOX storage writer.
  • Pass the output file path with MBOX file extension.
  • Call the WriteMessage method.
  • Pass the MailMessage.
  • MBOX 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 ICS to MBOX C# Conversion

// load the ICS file to be converted
var ics = Aspose.Email.Calendar.Appointment.Load("My File.ics");
// create an EML
var eml = new MailMessage();
// add appointment to EML
// create an MBOX storage
using var mboxStorage = new MboxrdStorageWriter(new FileStream("Saved File.mbox", FileMode.Create), false);
// add EML to MBOX storage
  • Free App to Convert ICS to MBOX

    Other Supported Conversions

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

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