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Convert HTML to MHTML via C#

Convert HTML to MHTML without needing Microsoft® Outlook® or Thunderbird® installed.

Convert HTML to MHTML without needing Microsoft

In order to convert HTML to MHTML, 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 HTML to MHTML via C#

Aspose.Email makes it easy for the developers to load & convert HTML files to MHTML in just a few lines of code.

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 Xamarin Platforms.
  • Development environment like Microsoft Visual Studio.
  • Aspose.Email for .NET DLL referenced in your project.

This sample code shows HTML to MHTML C# Conversion

// please visit for detailed demos & exmaples. 
  • Free App to Convert HTML to MHTML

    Other Supported Conversions

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

    HTML TO EML (Outlook Email Messages)
    HTML TO EMLX (Apple EMLX Format)
    HTML TO ICS (iCalendar)
    HTML TO MBOX (Electronic Mail Messages)
    HTML TO MSG (Outlook & Exchange Format)
    HTML TO OFT (Outlook Email Templates)
    HTML TO OST (Offline Storage Files)
    HTML TO PST (Outlook Personal Storage Files)
    HTML TO VCF (Virtual Card Format)