HTML JPG EMAIL XML OST
  Product Family
MHT

Convert OST to MHT via C#

Convert OST to MHT without needing Microsoft® Outlook® or Thunderbird® installed.

In order to convert OST to MHT, 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 NuGet 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 OST to MHT via C#

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

  1. Load OST file with PersonalStorage.FromFile
  2. Call the SaveAs method
  3. Pass output MHT file and FileFormat.Mht as parameters
  4. MHT file will be saved at the specified path

System Requirements

Before running the .NET conversion source 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.
 

This sample code shows OST to MHT C# Conversion

using Aspose.Email;
using Aspose.Email.Storage.Pst;

using (var ost = PersonalStorage.FromFile("sourceFile.ost"))
{
    foreach (var folder in ost.RootFolder.GetSubFolders())
    {
        foreach (var msg in folder.EnumerateMapiMessages())
        {
            msg.Save($"{msg.Subject}.mht", SaveOptions.DefaultMhtml);
        }
    }
}
 
  • Free App to Convert OST to MHT

    Other Supported Conversions

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

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