static void Main(string[] args) { DynamicsCrm dynamicsCrm = new DynamicsCrm(); var orgService = dynamicsCrm.GetOrganizationService("", "", "", "", ""); QueryByAttribute querybyattribute = new QueryByAttribute("account"); querybyattribute.ColumnSet = new ColumnSet("name"); querybyattribute.Attributes.AddRange("address1_city"); querybyattribute.Values.AddRange("Redmond"); EntityCollection retrieved = orgService.RetrieveMultiple(querybyattribute); foreach (var account in retrieved.Entities) { Console.WriteLine(account["name"]); } Console.WriteLine("done"); Console.ReadKey(); }