Save Attachments from Emails using C#

SaveAttachmentsFromEmail_CSharp.md

Learn how to save attachments from Emails using C#: https://blog.conholdate.com/2021/10/29/save-attachments-from-emails-using-csharp/

The following topics are covered in this article:

1. Extract and Save Attachments from Emails using C#
2. Save Attachments as PDF from Emails using C#

SaveAttachmentsFromEmail_CSharp_ExtractAndSave.cs

string outputPath = @"C:\Files\Viewer\";

// Initialize API and load the MSG file
Viewer viewer = new Viewer(@"C:\Files\Viewer\with_attachments.msg");

// Get attachments
IList<Attachment> attachments = viewer.GetAttachments();

foreach (Attachment attachment in attachments)
{
    // Save attachment
    string filePath = Path.Combine(outputPath, attachment.FileName);
    viewer.SaveAttachment(attachment, File.OpenWrite(filePath));
}

SaveAttachmentsFromEmail_CSharp_SaveAsPDF.cs

// Initialize attachment
Attachment attachment = new Attachment("attachment-word.doc", "attachment-word.doc");
MemoryStream attachmentStream = new MemoryStream();

// Initialize API and load MSG file
using (Viewer viewer = new Viewer(@"C:\Files\Viewer\with_attachments.msg"))
{
    // Save attachment in stream
    viewer.SaveAttachment(attachment, attachmentStream);
}

// Initialize API and load attachment stream
using (Viewer viewer = new Viewer(attachmentStream))
{
    // Define PDF view options
    PdfViewOptions viewOptions = new PdfViewOptions("C:\\Files\\Viewer\\output.pdf");

    // View as PDF
    viewer.View(viewOptions);
}