diff --git a/Secure/SecureShop.sln b/Secure/SecureShop.sln
index 02a47e8..de77bbc 100644
--- a/Secure/SecureShop.sln
+++ b/Secure/SecureShop.sln
@@ -13,6 +13,8 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "SecureShopContracts", "Secu
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "SecureShopListImplement", "SecureShopListImplement\SecureShopListImplement.csproj", "{1FECFDBF-32E0-4D94-B922-BE690F2408BC}"
 EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "SecureShopFileImplement", "SecureShopFileImplement\SecureShopFileImplement.csproj", "{3E416EAB-041A-46EE-9017-2C3D7127D802}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -39,6 +41,10 @@ Global
 		{1FECFDBF-32E0-4D94-B922-BE690F2408BC}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{1FECFDBF-32E0-4D94-B922-BE690F2408BC}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{1FECFDBF-32E0-4D94-B922-BE690F2408BC}.Release|Any CPU.Build.0 = Release|Any CPU
+		{3E416EAB-041A-46EE-9017-2C3D7127D802}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{3E416EAB-041A-46EE-9017-2C3D7127D802}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{3E416EAB-041A-46EE-9017-2C3D7127D802}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{3E416EAB-041A-46EE-9017-2C3D7127D802}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
diff --git a/Secure/SecureShop/Program.cs b/Secure/SecureShop/Program.cs
index 4b9efec..bee32ee 100644
--- a/Secure/SecureShop/Program.cs
+++ b/Secure/SecureShop/Program.cs
@@ -1,7 +1,7 @@
 using SecureShopBusinessLogic.BusinessLogics;
 using SecureShopContracts.BusinessLogicsContracts;
 using SecureShopContracts.StoragesContracts;
-using SecureShopListImplement.Implements;
+using SecureShopFileImplement.Implements;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging;
 using NLog.Extensions.Logging;
diff --git a/Secure/SecureShop/SecureShopView.csproj b/Secure/SecureShop/SecureShopView.csproj
index a503946..3a4dc50 100644
--- a/Secure/SecureShop/SecureShopView.csproj
+++ b/Secure/SecureShop/SecureShopView.csproj
@@ -17,6 +17,7 @@
   <ItemGroup>
     <ProjectReference Include="..\SecureShopBusinessLogic\SecureShopBusinessLogic.csproj" />
     <ProjectReference Include="..\SecureShopContracts\SecureShopContracts.csproj" />
+    <ProjectReference Include="..\SecureShopFileImplement\SecureShopFileImplement.csproj" />
     <ProjectReference Include="..\SecureShopListImplement\SecureShopListImplement.csproj" />
   </ItemGroup>
 
diff --git a/Secure/SecureShopFileImplement/DataFileSingleton.cs b/Secure/SecureShopFileImplement/DataFileSingleton.cs
new file mode 100644
index 0000000..77ef735
--- /dev/null
+++ b/Secure/SecureShopFileImplement/DataFileSingleton.cs
@@ -0,0 +1,50 @@
+using SecureShopFileImplement.Models;
+using System.Xml.Linq;
+
+namespace SecureShopFileImplement
+{
+    public class DataFileSingleton
+    {
+        private static DataFileSingleton? instance;
+        private readonly string FacilitiesFileName = "Facilities.xml";
+        private readonly string OrderFileName = "Order.xml";
+        private readonly string SecureFileName = "Secure.xml";
+        public List<Facilities> Facilitiess { get; private set; }
+        public List<Order> Orders { get; private set; }
+        public List<Secure> Secures { get; private set; }
+
+        public static DataFileSingleton GetInstance()
+        {
+            if (instance == null)
+            {
+                instance = new DataFileSingleton();
+            }
+            return instance;
+        }
+
+        public void SaveFacilitiess() => SaveData(Facilitiess, FacilitiesFileName, "Facilitiess", x => x.GetXElement);
+        public void SaveSecures() => SaveData(Secures, SecureFileName, "Secures", x => x.GetXElement);
+        public void SaveOrders() => SaveData(Orders, OrderFileName, "Orders", x => x.GetXElement);
+        private DataFileSingleton()
+        {
+            Facilitiess = LoadData(FacilitiesFileName, "Facilities", x => Facilities.Create(x)!)!;
+            Secures = LoadData(SecureFileName, "Secure", x => Secure.Create(x)!)!;
+            Orders = LoadData(OrderFileName, "Order", x => Order.Create(x)!)!;
+        }
+        private static List<T>? LoadData<T>(string filename, string xmlNodeName, Func<XElement, T> selectFunction)
+        {
+            if (File.Exists(filename))
+            {
+                return XDocument.Load(filename)?.Root?.Elements(xmlNodeName)?.Select(selectFunction)?.ToList();
+            }
+            return new List<T>();
+        }
+        private static void SaveData<T>(List<T> data, string filename, string xmlNodeName, Func<T, XElement> selectFunction)
+        {
+            if (data != null)
+            {
+                new XDocument(new XElement(xmlNodeName, data.Select(selectFunction).ToArray())).Save(filename);
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/Secure/SecureShopFileImplement/Implements/FacilitiesStorage.cs b/Secure/SecureShopFileImplement/Implements/FacilitiesStorage.cs
new file mode 100644
index 0000000..ebd94dc
--- /dev/null
+++ b/Secure/SecureShopFileImplement/Implements/FacilitiesStorage.cs
@@ -0,0 +1,78 @@
+using SecureShopContracts.BindingModels;
+using SecureShopContracts.SearchModels;
+using SecureShopContracts.StoragesContracts;
+using SecureShopContracts.ViewModels;
+using SecureShopFileImplement.Models;
+
+namespace SecureShopFileImplement.Implements
+{
+    public class FacilitiesStorage : IFacilitiesStorage
+    {
+        private readonly DataFileSingleton _source;
+
+        public FacilitiesStorage()
+        {
+            _source = DataFileSingleton.GetInstance();
+        }
+
+        public List<FacilitiesViewModel> GetFullList()
+        {
+            return _source.Facilitiess.Select(x => x.GetViewModel).ToList();
+        }
+
+        public List<FacilitiesViewModel> GetFilteredList(FacilitiesSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.FacilitiesName))
+            {
+                return new();
+            }
+            return _source.Facilitiess.Where(x => x.FacilitiesName.Contains(model.FacilitiesName)).Select(x => x.GetViewModel).ToList();
+        }
+
+        public FacilitiesViewModel? GetElement(FacilitiesSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.FacilitiesName) && !model.Id.HasValue)
+            {
+                return null;
+            }
+            return _source.Facilitiess.FirstOrDefault(x => (!string.IsNullOrEmpty(model.FacilitiesName) && x.FacilitiesName == model.FacilitiesName) || (model.Id.HasValue && x.Id == model.Id))?.GetViewModel;
+        }
+
+        public FacilitiesViewModel? Insert(FacilitiesBindingModel model)
+        {
+            model.Id = _source.Facilitiess.Count > 0 ? _source.Facilitiess.Max(x => x.Id) + 1 : 1;
+            var newFacilities = Facilities.Create(model);
+            if (newFacilities == null)
+            {
+                return null;
+            }
+            _source.Facilitiess.Add(newFacilities);
+            _source.SaveFacilitiess();
+            return newFacilities.GetViewModel;
+        }
+
+        public FacilitiesViewModel? Update(FacilitiesBindingModel model)
+        {
+            var Facilities = _source.Facilitiess.FirstOrDefault(x => x.Id == model.Id);
+            if (Facilities == null)
+            {
+                return null;
+            }
+            Facilities.Update(model);
+            _source.SaveFacilitiess();
+            return Facilities.GetViewModel;
+        }
+
+        public FacilitiesViewModel? Delete(FacilitiesBindingModel model)
+        {
+            var element = _source.Facilitiess.FirstOrDefault(x => x.Id == model.Id);
+            if (element != null)
+            {
+                _source.Facilitiess.Remove(element);
+                _source.SaveFacilitiess();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+    }
+}
\ No newline at end of file
diff --git a/Secure/SecureShopFileImplement/Implements/OrderStorage.cs b/Secure/SecureShopFileImplement/Implements/OrderStorage.cs
new file mode 100644
index 0000000..43d834c
--- /dev/null
+++ b/Secure/SecureShopFileImplement/Implements/OrderStorage.cs
@@ -0,0 +1,90 @@
+using SecureShopContracts.BindingModels;
+using SecureShopContracts.SearchModels;
+using SecureShopContracts.StoragesContracts;
+using SecureShopContracts.ViewModels;
+using SecureShopFileImplement.Models;
+
+namespace SecureShopFileImplement.Implements
+{
+    public class OrderStorage : IOrderStorage
+    {
+        private readonly DataFileSingleton _source;
+
+        public OrderStorage()
+        {
+            _source = DataFileSingleton.GetInstance();
+        }
+
+        public List<OrderViewModel> GetFullList()
+        {
+            return _source.Orders.Select(x => GetViewModel(x)).ToList();
+        }
+
+        public List<OrderViewModel> GetFilteredList(OrderSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return new();
+            }
+            return _source.Orders.Where(x => x.Id == model.Id).Select(x => GetViewModel(x)).ToList();
+        }
+        public OrderViewModel? GetElement(OrderSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return null;
+            }
+            return _source.Orders.FirstOrDefault(x => model.Id.HasValue && x.Id == model.Id)?.GetViewModel;
+        }
+
+        private OrderViewModel GetViewModel(Order order)
+        {
+            var viewModel = order.GetViewModel;
+            foreach (var Secure in _source.Secures)
+            {
+                if (Secure.Id == order.SecureId)
+                {
+                    viewModel.SecureName = Secure.SecureName;
+                    break;
+                }
+            }
+            return viewModel;
+        }
+
+        public OrderViewModel? Insert(OrderBindingModel model)
+        {
+            model.Id = _source.Orders.Count > 0 ? _source.Orders.Max(x => x.Id) + 1 : 1;
+            var newOrder = Order.Create(model);
+            if (newOrder == null)
+            {
+                return null;
+            }
+            _source.Orders.Add(newOrder);
+            _source.SaveOrders();
+            return GetViewModel(newOrder);
+        }
+
+        public OrderViewModel? Update(OrderBindingModel model)
+        {
+            var order = _source.Orders.FirstOrDefault(x => x.Id == model.Id);
+            if (order == null)
+            {
+                return null;
+            }
+            order.Update(model);
+            _source.SaveOrders();
+            return GetViewModel(order);
+        }
+        public OrderViewModel? Delete(OrderBindingModel model)
+        {
+            var order = _source.Orders.FirstOrDefault(x => x.Id == model.Id);
+            if (order != null)
+            {
+                _source.Orders.Remove(order);
+                _source.SaveOrders();
+                return GetViewModel(order);
+            }
+            return null;
+        }
+    }
+}
\ No newline at end of file
diff --git a/Secure/SecureShopFileImplement/Implements/SecureStorage.cs b/Secure/SecureShopFileImplement/Implements/SecureStorage.cs
new file mode 100644
index 0000000..442e4e7
--- /dev/null
+++ b/Secure/SecureShopFileImplement/Implements/SecureStorage.cs
@@ -0,0 +1,78 @@
+using SecureShopContracts.BindingModels;
+using SecureShopContracts.SearchModels;
+using SecureShopContracts.StoragesContracts;
+using SecureShopContracts.ViewModels;
+using SecureShopFileImplement.Models;
+
+namespace SecureShopFileImplement.Implements
+{
+    public class SecureStorage : ISecureStorage
+    {
+        private readonly DataFileSingleton _source;
+
+        public SecureStorage()
+        {
+            _source = DataFileSingleton.GetInstance();
+        }
+
+        public List<SecureViewModel> GetFullList()
+        {
+            return _source.Secures.Select(x => x.GetViewModel).ToList();
+        }
+
+        public List<SecureViewModel> GetFilteredList(SecureSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.SecureName))
+            {
+                return new();
+            }
+            return _source.Secures.Where(x => x.SecureName.Contains(model.SecureName)).Select(x => x.GetViewModel).ToList();
+        }
+
+        public SecureViewModel? GetElement(SecureSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.SecureName) && !model.Id.HasValue)
+            {
+                return null;
+            }
+            return _source.Secures.FirstOrDefault(x => (!string.IsNullOrEmpty(model.SecureName) && x.SecureName == model.SecureName) || (model.Id.HasValue && x.Id == model.Id))?.GetViewModel;
+        }
+
+        public SecureViewModel? Insert(SecureBindingModel model)
+        {
+            model.Id = _source.Secures.Count > 0 ? _source.Secures.Max(x => x.Id) + 1 : 1;
+            var newSecure = Secure.Create(model);
+            if (newSecure == null)
+            {
+                return null;
+            }
+            _source.Secures.Add(newSecure);
+            _source.SaveSecures();
+            return newSecure.GetViewModel;
+        }
+
+        public SecureViewModel? Update(SecureBindingModel model)
+        {
+            var Secure = _source.Secures.FirstOrDefault(x => x.Id == model.Id);
+            if (Secure == null)
+            {
+                return null;
+            }
+            Secure.Update(model);
+            _source.SaveSecures();
+            return Secure.GetViewModel;
+        }
+
+        public SecureViewModel? Delete(SecureBindingModel model)
+        {
+            var element = _source.Secures.FirstOrDefault(x => x.Id == model.Id);
+            if (element != null)
+            {
+                _source.Secures.Remove(element);
+                _source.SaveSecures();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+    }
+}
\ No newline at end of file
diff --git a/Secure/SecureShopFileImplement/Models/Facilities.cs b/Secure/SecureShopFileImplement/Models/Facilities.cs
new file mode 100644
index 0000000..b740925
--- /dev/null
+++ b/Secure/SecureShopFileImplement/Models/Facilities.cs
@@ -0,0 +1,61 @@
+using SecureShopContracts.BindingModels;
+using SecureShopContracts.ViewModels;
+using SecureShopDataModels.Models;
+using System.Xml.Linq;
+
+namespace SecureShopFileImplement.Models
+{
+    public class Facilities : IFacilitiesModel
+    {
+        public int Id { get; private set; }
+        public string FacilitiesName { get; private set; } = string.Empty;
+        public double Cost { get; set; }
+
+        public static Facilities? Create(FacilitiesBindingModel model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Facilities()
+            {
+                Id = model.Id,
+                FacilitiesName = model.FacilitiesName,
+                Cost = model.Cost
+            };
+        }
+
+        public static Facilities? Create(XElement element)
+        {
+            if (element == null)
+            {
+                return null;
+            }
+            return new Facilities()
+            {
+                Id = Convert.ToInt32(element.Attribute("Id")!.Value),
+                FacilitiesName = element.Element("FacilitiesName")!.Value,
+                Cost = Convert.ToDouble(element.Element("Cost")!.Value)
+            };
+        }
+
+        public void Update(FacilitiesBindingModel model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            FacilitiesName = model.FacilitiesName;
+            Cost = model.Cost;
+        }
+
+        public FacilitiesViewModel GetViewModel => new()
+        {
+            Id = Id,
+            FacilitiesName = FacilitiesName,
+            Cost = Cost
+        };
+
+        public XElement GetXElement => new("Facilities",new XAttribute("Id", Id), new XElement("FacilitiesName", FacilitiesName), new XElement("Cost", Cost.ToString()));
+    }
+}
\ No newline at end of file
diff --git a/Secure/SecureShopFileImplement/Models/Order.cs b/Secure/SecureShopFileImplement/Models/Order.cs
new file mode 100644
index 0000000..56d9bf2
--- /dev/null
+++ b/Secure/SecureShopFileImplement/Models/Order.cs
@@ -0,0 +1,87 @@
+using SecureShopContracts.BindingModels;
+using SecureShopContracts.ViewModels;
+using SecureShopDataModels.Enums;
+using SecureShopDataModels.Models;
+using System.Xml.Linq;
+
+namespace SecureShopFileImplement.Models
+{
+    public class Order : IOrderModel
+    {
+        public int Id { get; private set; }
+        public int SecureId { get; private set; }
+        public int Count { get; private set; }
+        public double Sum { get; private set; }
+        public OrderStatus Status { get; private set; }
+        public DateTime DateCreate { get; private set; }
+        public DateTime? DateImplement { get; private set; }
+
+        public static Order? Create(OrderBindingModel? model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Order()
+            {
+                Id = model.Id,
+                SecureId = model.SecureId,
+                Count = model.Count,
+                Sum = model.Sum,
+                Status = model.Status,
+                DateCreate = model.DateCreate,
+                DateImplement = model.DateImplement
+            };
+        }
+        public static Order? Create(XElement element)
+        {
+            if (element == null)
+            {
+                return null;
+            }
+            var order = new Order()
+            {
+                Id = Convert.ToInt32(element.Attribute("Id")!.Value),
+                SecureId = Convert.ToInt32(element.Element("SecureId")!.Value),
+                Sum = Convert.ToDouble(element.Element("Sum")!.Value),
+                Count = Convert.ToInt32(element.Element("Count")!.Value),
+                Status = (OrderStatus)Enum.Parse(typeof(OrderStatus), element.Element("Status")!.Value),
+                DateCreate = DateTime.ParseExact(element.Element("DateCreate")!.Value, "G", null),
+                DateImplement = Convert.ToDateTime(element.Element("DateCreate")!.Value)
+            };
+            DateTime.TryParse(element.Element("DateImplement")!.Value, out DateTime dateImpl);
+            order.DateImplement = dateImpl;
+
+            if (!Enum.TryParse(element.Element("Status")!.Value, out OrderStatus status))
+            {
+                return null;
+            }
+            order.Status = status;
+            return order;
+        }
+        
+        public void Update(OrderBindingModel? model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            Status = model.Status;
+            DateImplement = model.DateImplement;
+        }
+
+        public OrderViewModel GetViewModel => new()
+        {
+            Id = Id,
+            SecureId = SecureId,
+            Count = Count,
+            Sum = Sum,
+            Status = Status,
+            DateCreate = DateCreate,
+            DateImplement = DateImplement
+        };
+
+        public XElement GetXElement => new("Order", new XAttribute("Id", Id), new XElement("SecureId", SecureId.ToString()), new XElement("Count", Count.ToString()), new XElement("Sum", Sum.ToString()), new XElement("Status", Status.ToString()), new XElement("DateCreate", DateCreate.ToString()), new XElement("DateImplement", DateImplement.ToString())
+        );
+    }
+}
\ No newline at end of file
diff --git a/Secure/SecureShopFileImplement/Models/Secure.cs b/Secure/SecureShopFileImplement/Models/Secure.cs
new file mode 100644
index 0000000..5706a63
--- /dev/null
+++ b/Secure/SecureShopFileImplement/Models/Secure.cs
@@ -0,0 +1,79 @@
+using SecureShopContracts.BindingModels;
+using SecureShopContracts.ViewModels;
+using SecureShopDataModels.Models;
+using System.Xml.Linq;
+
+namespace SecureShopFileImplement.Models
+{
+    public class Secure : ISecureModel
+    {
+        public int Id { get; private set; }
+        public string SecureName { get; private set; } = string.Empty;
+        public double Price { get; private set; }
+        public Dictionary<int, int> Facilitiess { get; private set; } = new();
+        private Dictionary<int, (IFacilitiesModel, int)>? _SecureFacilitiess = null;
+
+        public Dictionary<int, (IFacilitiesModel, int)> SecureFacilitiess
+        {
+            get
+            {
+                if (_SecureFacilitiess == null)
+                {
+                    var source = DataFileSingleton.GetInstance();
+                    _SecureFacilitiess = Facilitiess.ToDictionary(x => x.Key, y => ((source.Facilitiess.FirstOrDefault(z => z.Id == y.Key) as IFacilitiesModel)!, y.Value));
+                }
+                return _SecureFacilitiess;
+            }
+        }
+
+        public static Secure? Create(SecureBindingModel model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Secure()
+            {
+                Id = model.Id,
+                SecureName = model.SecureName,
+                Price = model.Price,
+                Facilitiess = model.SecureFacilitiess.ToDictionary(x => x.Key, x => x.Value.Item2)
+            };
+        }
+
+        public static Secure? Create(XElement element)
+        {
+            if (element == null)
+            {
+                return null;
+            }
+            return new Secure()
+            {
+                Id = Convert.ToInt32(element.Attribute("Id")!.Value),
+                SecureName = element.Element("SecureName")!.Value,
+                Price = Convert.ToDouble(element.Element("Price")!.Value),
+                Facilitiess = element.Element("SecureFacilitiess")!.Elements("SecureFacilities").ToDictionary(x => Convert.ToInt32(x.Element("Key")?.Value), x => Convert.ToInt32(x.Element("Value")?.Value))
+            };
+        }
+
+        public void Update(SecureBindingModel model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            SecureName = model.SecureName;
+            Price = model.Price;
+            Facilitiess = model.SecureFacilitiess.ToDictionary(x => x.Key, x => x.Value.Item2);
+            _SecureFacilitiess = null;
+        }
+        public SecureViewModel GetViewModel => new()
+        {
+            Id = Id,
+            SecureName = SecureName,
+            Price = Price,
+            SecureFacilitiess = SecureFacilitiess
+        };
+        public XElement GetXElement => new("Secure", new XAttribute("Id", Id), new XElement("SecureName", SecureName), new XElement("Price", Price.ToString()), new XElement("SecureFacilitiess", Facilitiess.Select(x => new XElement("SecureFacilities", new XElement("Key", x.Key), new XElement("Value", x.Value))).ToArray()));
+    }
+}
\ No newline at end of file
diff --git a/Secure/SecureShopFileImplement/SecureShopFileImplement.csproj b/Secure/SecureShopFileImplement/SecureShopFileImplement.csproj
new file mode 100644
index 0000000..f918439
--- /dev/null
+++ b/Secure/SecureShopFileImplement/SecureShopFileImplement.csproj
@@ -0,0 +1,14 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\SecureShopContracts\SecureShopContracts.csproj" />
+    <ProjectReference Include="..\SecureShopDataModels\SecureShopDataModels.csproj" />
+  </ItemGroup>
+
+</Project>