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using System;
using Microsoft.Office.Interop.Outlook;

namespace GetContacts
{
    internal class Program
    {
        private static void Main()
        {
            var outlookApplication = new ApplicationClass();
            NameSpace mapiNamespace = outlookApplication.GetNamespace("MAPI");
            MAPIFolder contacts = mapiNamespace.GetDefaultFolder(OlDefaultFolders.olFolderContacts);

            for (int i = 1; i < contacts.Items.Count + 1; i++)
            {
                var contact = (ContactItem) contacts.Items[i];
                Console.WriteLine(contact.FullName);
                Console.WriteLine(contact.Email1Address);
                Console.WriteLine();
            }
            Console.Read();
        }
    }
}