Convert OST to MHTML via C#

OST to MHTML C# conversion using .NET API without needing Outlook® or Thunderbird®.

How to Convert OST to MHTML Using C#

In order to convert OST 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

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 MHTML via C#

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

Load OST file with PersonalStorage.FromFile.
Call the SaveAs method having two parameters.
Output MHTML file and FileFormat.Mhtml as parameters.
MHTML file will be saved at the specified path.

System Requirements

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

Load OST file with PersonalStorage.FromFile.
Call the SaveAs method having two parameters.
Output MHTML file and FileFormat.Mhtml as parameters.
MHTML file will be saved at the specified path.

This sample code shows OST to MHTML C# Conversionusing 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}.mhtml", SaveOptions.DefaultMhtml);
        }
    }
}

Free App to Convert OST to MHTML

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 MSG (Outlook & Exchange Format)

OST TO OFT (Outlook Email Templates)

OST TO PST (Outlook Personal Storage Files)

OST TO VCF (Virtual Card Format)