Export EML to PDF via .NET

.NET API to Render EML to PDF on Windows, macOS, and Linux without using Word or Outlook


If you are a .NET developer looking to add EML to PDF conversion features inside your applications, Aspose.Total for .NET file format manipulation APIs are the way forward. By using Aspose.Email for .NET , you can convert EML file format to HTML. After that, by using Aspose.Words for .NET , you can render HTML to PDF.

C# API to Convert EML to PDF

  1. Open EML file using MailMessage class
  2. Convert EML to HTML by using Save method
  3. Load HTML by using Document class
  4. Save the document to PDF format using Save method and set Pdf as SaveFormat

Get Started with .NET File Format APIs

Install from command line as nuget install Aspose.Total or via Package Manager Console of Visual Studio with Install-Package Aspose.Total.

Alternatively, get the offline MSI installer or DLLs in a ZIP file from downloads .

MailMessage message = MailMessage.Load("sourceFile.eml");
// save EML as a HTML 
message.Save("HtmlOutput.html", SaveOptions.DefaultHtml);
// load HTML with an instance of Document
Document document = new Document("HtmlOutput.html");
// call save method while passing SaveFormat.Pdf
document.Save("output.pdf", SaveFormat.Pdf); 

Parse EML File via .NET

Before converting EML to PDF, if you want to make sure that you are converting the correct email, you can load EML document, parse it and have a look at your desired property. By using MapiMessage class of Aspose.Email for .NET API, you can get sender and recipients information. For example, you can check for a specific sender email for the conversion by using SenderName property.

var outlookMessageFile = MapiMessage.FromFile("message.eml");
// check for SenderName 
if(outlookMessageFile.SenderName == "John"){
    //proceed with conversion process

Restrict PDF Document Editing via .NET

While saving the document from EML to PDF, you might need to protect your output document. Sometimes you may need to limit the ability to edit a document and only allow certain actions with it. This can be useful to prevent other people from editing sensitive and confidential information in your document. Aspose.Words for .NET API, enables you to control the way you restrict the content using the ProtectionType enumeration parameter. You can set your document to read-only by using the following lines of code.

Document document = new Document("HtmlOutput.html");
// apply document protection and set protection password
doc.Protect(ProtectionType.ReadOnly, "password");
// call save method while passing SaveFormat.Pdf
document.Save("output.pdf", SaveFormat.Pdf);  

Other Conversion Options

EML TO DOCX (Office 2007+ Word Document)
EML TO DOC (Microsoft Word Binary Format)
EML TO SVG (Scalar Vector Graphics)
EML TO WORDML (Microsoft Word 2003 WordprocessingML)
EML TO MD (Markdown Language)
EML TO PNG (Portable Network Graphic)
EML TO TIFF (Tagged Image File Format)
EML TO DOTM (Microsoft Word 2007+ Template File)
EML TO DOT (Microsoft Word Template Files)
EML TO XPS (XML Paper Specifications)
EML TO EPUB (Open eBook File)
EML TO DOCM (Microsoft Word 2007 Marco File)
EML TO JPEG (Joint Photographic Expert Group)
EML TO GIF (Graphical Interchange Format)
EML TO PS (PostScript File)
EML TO DOTX (Microsoft Word Template File )
EML TO RTF (Rich Text Format)
EML TO BMP (Bitmap Image File)
EML TO OTT (OpenDocument Standard Format)
EML TO EMF (Enhanced Metafile Format)
EML TO ODT (OpenDocument Text File Format)
EML TO PCL (Printer Command Language Document)

EML What is EML File Format?

EML file format represents email messages saved using Outlook and other relevant applications. Almost all emailing clients support this file format for its compliance with RFC-822 Internet Message Format Standard. Microsoft Outlook is the default software for opening EML message types. EML files can be used for saving to disc as well as sending out to recipients using communication protocols.

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PDF What is PDF File Format?

Portable Document Format (PDF) is a type of document created by Adobe back in 1990s. The purpose of this file format was to introduce a standard for representation of documents and other reference material in a format that is independent of application software, hardware as well as Operating System. PDF files can be opened in Adobe Acrobat Reader/Writer as well in most modern browsers like Chrome, Safari, Firefox via extensions/plug-ins. Most of the commercially available software suites also offer conversion of their documents to PDF file format without the requirement of any additional software component.

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