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Convert HTML to OST via C#

HTML to OST conversion using .NET API without Outlook® or Thunderbird® dependencies.

How to Convert HTML to OST Using C#

Try a powerful and reliable solution designed to help developers build email applications! With Aspose.Email for .NET programmers gain access to a comprehensive set of APIs, empowering them to seamlessly integrate various email formats into their applications.

Developers tasked with converting HTML to OST no longer experience difficulties and can shift focus to enhancing efficiency, flexibility, and customization in applications, ultimately elevating the user experience. The library ensures the preservation of data integrity during the conversion process. It accurately translates the content, structure, and attachments of HTML files into the OST format, maintaining the fidelity of the original email data.

Programmatic convertion of HTML to OST enables users to incorporate HTML-based emails into their offline Outlook data file, supporting email management and access even without a continuous internet connection. Aspose.Email simplifies this process and offers intuitive means to perform the task successfully.

To leverage the power of the .NET API, you can choose to perform one of the following actions:

  • Open NuGet package manager, search for Aspose.Email and install it on your device.

  • Use the following command from the Package Manager Console:


PM> Install-Package Aspose.Email

Steps to Convert HTML to OST via C#

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

  1. Open OST file with PersonalStorage.FromFile.
  2. Load HTML file with MailMessage.Load.
  3. Retrieve the Inbox folder.
  4. Add the loaded HTML message to the Inbox folder within the OST file.

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 HTML to OST C# Conversion

using (var ost = PersonalStorage.FromFile("storage.ost"))
{
    var msg = MapiMessage.Load("content.html", new HtmlLoadOptions());
    var folderInfo = ost.RootFolder.GetSubFolder("Inbox");
    folderInfo.AddMessage(msg);
}
 
  • Free App to Convert HTML to OST

    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 MHTML (Web Page Archive Format)
    HTML TO MSG (Outlook & Exchange Format)
    HTML TO OFT (Outlook Email Templates)
    HTML TO PST (Outlook Personal Storage Files)
    HTML TO VCF (Virtual Card Format)