Extract Properties, Attachments, and Recipients from PST Files in C#

DownloadAttachments.cs

// Load the PST file
using (var pst = PersonalStorage.FromFile("sample.pst"))
{
    // Specify the EntryId of the target message
    var targetEntryId = "..."; // Your message's EntryId here

    // Extract the attachments collection for this message
    var attachments = pst.ExtractAttachments(targetEntryId);

    // Check if any attachments exist
    if (attachments.Any())
    {
        Console.WriteLine($"Found {attachments.Count} attachment(s). Saving...");

        // Save each attachment to disk
        foreach (var attachment in attachments)
        {
            var filePath = Path.Combine("OutputDir", attachment.FileName);
            attachment.Save(filePath);
            Console.WriteLine("Saved: " + filePath);
        }
    }
    else
    {
        Console.WriteLine("No attachments found for this message.");
    }
}

ExtractSpecificPropertiesUsingPropertyTags.cs

// Load the PST file
using (var pst = PersonalStorage.FromFile("sample.pst"))
{
    // Get the required folder (e.g., Inbox)
    var inbox = pst.RootFolder.GetSubFolder("Inbox");
    
    // Loop through all messages in the folder
    foreach (var messageInfo in inbox.EnumerateMessages())
    {
        // Extract the Subject property (tag: PR_SUBJECT)
        var subjectProperty = pst.ExtractProperty(
            messageInfo.EntryId,
            KnownPropertyList.TagSubject.Tag
        );
        
        // Extract the Sender Email property (tag: PR_SENDER_EMAIL_ADDRESS)
        var senderProperty = pst.ExtractProperty(
            messageInfo.EntryId,
            KnownPropertyList.SenderEmailAddress.Tag
        );
        
        // Display the extracted information
        Console.WriteLine("Subject: " + (subjectProperty?.GetString() ?? "N/A"));
        Console.WriteLine("From: " + (senderProperty?.GetString() ?? "N/A"));
        Console.WriteLine("----------------------------------------");
    }
}

RetrieveRecipientLists.cs

// Load the PST file
using (var pst = PersonalStorage.FromFile("sample.pst"))
{
    // Specify the EntryId of the target message
    var targetEntryId = "..."; // Your message's EntryId here

    // Extract the recipients collection for this message
    var recipients = pst.ExtractRecipients(targetEntryId);

    // Check if any recipients exist
    if (recipients.Any())
    {
        Console.WriteLine("Recipients:");

        // Display details for each recipient
        foreach (var recipient in recipients)
        {
            Console.WriteLine($"\tName: {recipient.DisplayName}");
            Console.WriteLine($"\tEmail: {recipient.EmailAddress}");
            Console.WriteLine($"\tType: {recipient.RecipientType}"); // To, Cc, Bcc
            Console.WriteLine("\t---");
        }
    }
    else
    {
        Console.WriteLine("No recipients found for this message.");
    }
}