Extract from ZIP or Attachments in C# | https://docs.conholdate.com/net/extract-from-zip/

extract-from-zip.cs

// Create an instance of Parser class
using (Parser parser = new Parser(filePath))
{
    // Extract attachments from the container
    IEnumerable<ContainerItem> attachments = parser.GetContainer();
    // Check if container extraction is supported
    if (attachments == null)
    {
        Console.WriteLine("Container extraction isn't supported");
    }
    // Iterate over zip entities
    foreach (ContainerItem item in attachments)
    {
        // Print the file path
        Console.WriteLine(item.FilePath);
        try
        {
            // Create Parser object for the zip entity content
            using (Parser attachmentParser = item.OpenParser())
            {
                // Extract an zip entity text
                using (TextReader reader = attachmentParser.GetText())
                {
                    Console.WriteLine(reader == null ? "No text" : reader.ReadToEnd());
                }
            }
        }
        catch (UnsupportedDocumentFormatException)
        {
            Console.WriteLine("Isn't supported.");
        }
    }
}

Read complete article here: https://docs.conholdate.com/net/extract-from-zip/