diff --git a/DataAccess/DTOs/CrossSectionDTO.cs b/DataAccess/DTOs/CrossSectionDTO.cs
new file mode 100644
index 0000000..f590e54
--- /dev/null
+++ b/DataAccess/DTOs/CrossSectionDTO.cs
@@ -0,0 +1,21 @@
+using StructureHelperLogics.Models.CrossSections;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DataAccess.DTOs
+{
+    public class CrossSectionDTO : ICrossSection
+    {
+        public ICrossSectionRepository SectionRepository { get; }
+
+        public Guid Id { get; set; }
+
+        public object Clone()
+        {
+            throw new NotImplementedException();
+        }
+    }
+}
diff --git a/DataAccess/DataAccess.csproj b/DataAccess/DataAccess.csproj
new file mode 100644
index 0000000..d8687c3
--- /dev/null
+++ b/DataAccess/DataAccess.csproj
@@ -0,0 +1,18 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0-windows</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\StructureHelperCommon\StructureHelperCommon.csproj" />
+    <ProjectReference Include="..\StructureHelperLogics\StructureHelperLogics.csproj" />
+  </ItemGroup>
+
+</Project>
diff --git a/DataAccess/Example.cs b/DataAccess/Example.cs
new file mode 100644
index 0000000..92f0f52
--- /dev/null
+++ b/DataAccess/Example.cs
@@ -0,0 +1,124 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DataAccess
+{
+    using Newtonsoft.Json;
+    using StructureHelperCommon.Models;
+    using System;
+    using System.Collections.Generic;
+    using static System.Windows.Forms.VisualStyles.VisualStyleElement.ListView;
+    using static System.Windows.Forms.VisualStyles.VisualStyleElement.TextBox;
+
+    class Program
+    {
+        static void Main(string[] args)
+        {
+            var logger = new TraceLogger();
+
+            // Create objects with complex relationships
+            var parent1 = new Parent { Name = "Parent_1" };
+            var parent2 = new Parent { Name = "Parent_2" };
+
+            var detail1 = new Detail { Description = "Detail_1", InternalNote = "Secret Note 1" };
+            var detail2 = new Detail { Description = "Detail_2", InternalNote = "Secret Note 2" };
+            var detail3 = new Detail { Description = "Detail_3", InternalNote = "Secret Note 3" };
+
+            var subDetail1 = new SubDetail { Info = "SubDetail_1" };
+
+            // Set up relationships
+            parent1.Details.Add(detail1);
+            parent1.Details.Add(detail2);
+
+            parent2.Details.Add(detail2); // Shared detail
+            parent2.Details.Add(detail3);
+
+            detail3.SubDetails.Add(subDetail1);
+
+            // Serialize with custom converters and trace logging
+            string json = Serialize(new List<Parent> { parent1, parent2 }, logger);
+            Console.WriteLine("Serialized JSON:");
+            Console.WriteLine(json);
+
+            // Deserialize with custom converters and trace logging
+            var deserializedParents = Deserialize<List<Parent>>(json, logger);
+
+            Console.WriteLine("\nDeserialized Objects:");
+            foreach (var parent in deserializedParents)
+            {
+                Console.WriteLine($"Parent: {parent.Name}, Id: {parent.Id}");
+                foreach (var detail in parent.Details)
+                {
+                    Console.WriteLine($"  Detail: {detail.Description}, Id: {detail.Id}");
+                }
+            }
+        }
+
+        static string Serialize(object obj, TraceLogger logger)
+        {
+            var settings = new JsonSerializerSettings
+            {
+                Converters = new List<JsonConverter>
+            {
+                new ParentConverter(logger),  // Add the specific converter
+                // Add other converters if needed
+            },
+                Formatting = Formatting.Indented
+            };
+
+            return JsonConvert.SerializeObject(obj, settings);
+        }
+
+        static T Deserialize<T>(string json, TraceLogger logger)
+        {
+            var settings = new JsonSerializerSettings
+            {
+                Converters = new List<JsonConverter>
+            {
+                new ParentConverter(logger),  // Add the specific converter
+                // Add other converters if needed
+            }
+            };
+
+            return JsonConvert.DeserializeObject<T>(json, settings);
+        }
+    }
+
+    using Newtonsoft.Json;
+using System;
+using System.Collections.Generic;
+
+public class Parent
+    {
+        public Guid Id { get; set; } = Guid.NewGuid();
+
+        [JsonProperty("parent_name")]
+        public string Name { get; set; }
+
+        public List<Detail> Details { get; set; } = new List<Detail>();
+    }
+
+    public class Detail
+    {
+        public Guid Id { get; set; } = Guid.NewGuid();
+
+        [JsonPropertyName("detail_description")] // Compatible with System.Text.Json
+        public string Description { get; set; }
+
+        [JsonIgnore] // This property will be ignored during serialization
+        public string InternalNote { get; set; }
+
+        public List<SubDetail> SubDetails { get; set; } = new List<SubDetail>();
+    }
+
+    public class SubDetail
+    {
+        public Guid Id { get; set; } = Guid.NewGuid();
+        public string Info { get; set; }
+    }
+
+
+}
diff --git a/DataAccess/FileDialogs/FileDialogOpener.cs b/DataAccess/FileDialogs/FileDialogOpener.cs
new file mode 100644
index 0000000..55df864
--- /dev/null
+++ b/DataAccess/FileDialogs/FileDialogOpener.cs
@@ -0,0 +1,49 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Forms;
+
+namespace DataAccess.FileDialogs
+{
+    public class FileDialogOpener
+    {
+        public void OpenFileAndRead()
+        {
+            // Create an instance of OpenFileDialog
+            using (OpenFileDialog openFileDialog = new OpenFileDialog())
+            {
+                // Set filter options and filter index
+                openFileDialog.Filter = "Text Files (*.txt)|*.txt|All Files (*.*)|*.*";
+                openFileDialog.FilterIndex = 1;
+                openFileDialog.Multiselect = false; // Set to true if you want to allow multiple file selection
+                openFileDialog.Title = "Select a File";
+
+                // Show the dialog and get result
+                if (openFileDialog.ShowDialog() == DialogResult.OK)
+                {
+                    // Get the path of the selected file
+                    string selectedFilePath = openFileDialog.FileName;
+
+                    // Read the content of the file
+                    try
+                    {
+                        string fileContent = File.ReadAllText(selectedFilePath);
+                        Console.WriteLine($"File Content of '{selectedFilePath}':");
+                        Console.WriteLine(fileContent);
+                    }
+                    catch (IOException ex)
+                    {
+                        Console.WriteLine($"An error occurred while reading the file: {ex.Message}");
+                    }
+                }
+                else
+                {
+                    Console.WriteLine("File selection was cancelled.");
+                }
+            }
+        }
+    }
+
+}
diff --git a/DataAccess/FileDialogs/FileRepository.cs b/DataAccess/FileDialogs/FileRepository.cs
new file mode 100644
index 0000000..d3f5505
--- /dev/null
+++ b/DataAccess/FileDialogs/FileRepository.cs
@@ -0,0 +1,93 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DataAccess.FileDialogs
+{
+    using System;
+    using System.IO;
+    using System.Threading.Tasks;
+
+    public class FileRepository : IFileRepository
+    {
+        private readonly string _storageDirectory;
+
+        public FileRepository(string storageDirectory)
+        {
+            _storageDirectory = storageDirectory;
+
+            // Ensure the storage directory exists
+            if (!Directory.Exists(_storageDirectory))
+            {
+                Directory.CreateDirectory(_storageDirectory);
+            }
+        }
+
+        // Save a file to the repository
+        public async Task SaveFileAsync(Stream fileStream, string fileName)
+        {
+            string filePath = Path.Combine(_storageDirectory, fileName);
+
+            // Ensure the file does not already exist
+            if (File.Exists(filePath))
+            {
+                throw new InvalidOperationException("File already exists.");
+            }
+
+            using (var file = new FileStream(filePath, FileMode.Create, FileAccess.Write))
+            {
+                await fileStream.CopyToAsync(file);
+            }
+        }
+
+        // Retrieve a file from the repository
+        public async Task<Stream> GetFileAsync(string fileName)
+        {
+            string filePath = Path.Combine(_storageDirectory, fileName);
+
+            // Ensure the file exists
+            if (!File.Exists(filePath))
+            {
+                throw new FileNotFoundException("File not found.");
+            }
+
+            var fileStream = new FileStream(filePath, FileMode.Open, FileAccess.Read);
+            return await Task.FromResult(fileStream);
+        }
+
+        // Update an existing file in the repository
+        public async Task UpdateFileAsync(Stream fileStream, string fileName)
+        {
+            string filePath = Path.Combine(_storageDirectory, fileName);
+
+            // Ensure the file exists
+            if (!File.Exists(filePath))
+            {
+                throw new FileNotFoundException("File not found.");
+            }
+
+            using (var file = new FileStream(filePath, FileMode.Truncate, FileAccess.Write))
+            {
+                await fileStream.CopyToAsync(file);
+            }
+        }
+
+        // Delete a file from the repository
+        public async Task DeleteFileAsync(string fileName)
+        {
+            string filePath = Path.Combine(_storageDirectory, fileName);
+
+            // Ensure the file exists
+            if (!File.Exists(filePath))
+            {
+                throw new FileNotFoundException("File not found.");
+            }
+
+            File.Delete(filePath);
+            await Task.CompletedTask;
+        }
+    }
+
+}
diff --git a/DataAccess/FileDialogs/FileStorage.cs b/DataAccess/FileDialogs/FileStorage.cs
new file mode 100644
index 0000000..68aac4a
--- /dev/null
+++ b/DataAccess/FileDialogs/FileStorage.cs
@@ -0,0 +1,139 @@
+using DataAccess.FileDialogs;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Forms;
+
+namespace DataAccess.FileDialogs
+{
+    internal class FileStorage
+    {
+        using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Windows.Forms;
+
+public class FileStorageManager
+    {
+        // Dictionary to store files with unique IDs as keys
+        private readonly Dictionary<Guid, OpenedFile> _openedFiles = new Dictionary<Guid, OpenedFile>();
+
+        // Method to open a file and add it to the storage
+        public Guid OpenFile()
+        {
+            using (OpenFileDialog openFileDialog = new OpenFileDialog())
+            {
+                openFileDialog.Filter = "Text Files (*.txt)|*.txt|All Files (*.*)|*.*";
+                openFileDialog.Multiselect = true; // Allow multiple file selection
+                openFileDialog.Title = "Select Files";
+
+                if (openFileDialog.ShowDialog() == DialogResult.OK)
+                {
+                    foreach (var filePath in openFileDialog.FileNames)
+                    {
+                        var fileId = Guid.NewGuid();
+                        var openedFile = new OpenedFile(fileId, filePath);
+
+                        // Add to storage
+                        _openedFiles[fileId] = openedFile;
+
+                        Console.WriteLine($"File '{openedFile.FilePath}' opened with ID: {fileId}");
+                    }
+                }
+            }
+
+            return Guid.Empty;
+        }
+
+        // Method to get an opened file by ID
+        public OpenedFile GetFile(Guid fileId)
+        {
+            if (_openedFiles.TryGetValue(fileId, out var openedFile))
+            {
+                return openedFile;
+            }
+
+            throw new KeyNotFoundException("File not found.");
+        }
+
+        // Method to close a file by ID
+        public void CloseFile(Guid fileId)
+        {
+            if (_openedFiles.ContainsKey(fileId))
+            {
+                _openedFiles.Remove(fileId);
+                Console.WriteLine($"File with ID: {fileId} has been closed.");
+            }
+            else
+            {
+                throw new KeyNotFoundException("File not found.");
+            }
+        }
+
+        // Method to read content of an opened file by ID
+        public string ReadFileContent(Guid fileId)
+        {
+            var openedFile = GetFile(fileId);
+            return File.ReadAllText(openedFile.FilePath);
+        }
+
+        // Method to list all opened files
+        public void ListOpenedFiles()
+        {
+            foreach (var file in _openedFiles.Values)
+            {
+                Console.WriteLine($"File ID: {file.Id}, Path: {file.FilePath}");
+            }
+        }
+    }
+
+    // Class representing an opened file
+    public class OpenedFile
+    {
+        public Guid Id { get; }
+        public string FilePath { get; }
+
+        public OpenedFile(Guid id, string filePath)
+        {
+            Id = id;
+            FilePath = filePath;
+        }
+    }
+
+}
+
+class Program
+{
+    [STAThread] // Required for OpenFileDialog
+    static void Main()
+    {
+        var fileStorageManager = new FileStorageManager();
+
+        // Open files and add them to the storage
+        fileStorageManager.OpenFile();
+
+        // List all opened files
+        Console.WriteLine("\nOpened Files:");
+        fileStorageManager.ListOpenedFiles();
+
+        // Example: Read content of the first opened file (if any)
+        var openedFiles = new List<Guid>(fileStorageManager._openedFiles.Keys);
+        if (openedFiles.Count > 0)
+        {
+            var firstFileId = openedFiles[0];
+            Console.WriteLine($"\nReading content of the first opened file (ID: {firstFileId}):");
+            string content = fileStorageManager.ReadFileContent(firstFileId);
+            Console.WriteLine(content);
+        }
+
+        // Close all files
+        foreach (var fileId in openedFiles)
+        {
+            fileStorageManager.CloseFile(fileId);
+        }
+    }
+}
+
+}
diff --git a/DataAccess/FileDialogs/IFileRepository.cs b/DataAccess/FileDialogs/IFileRepository.cs
new file mode 100644
index 0000000..d42736e
--- /dev/null
+++ b/DataAccess/FileDialogs/IFileRepository.cs
@@ -0,0 +1,14 @@
+using System.IO;
+using System.Threading.Tasks;
+
+namespace DataAccess.FileDialogs
+{
+    public interface IFileRepository
+    {
+        Task SaveFileAsync(Stream fileStream, string fileName);
+        Task<Stream> GetFileAsync(string fileName);
+        Task DeleteFileAsync(string fileName);
+        Task UpdateFileAsync(Stream fileStream, string fileName);
+    }
+
+}
diff --git a/DataAccess/FileDialogs/ProgramExample.cs b/DataAccess/FileDialogs/ProgramExample.cs
new file mode 100644
index 0000000..86526af
--- /dev/null
+++ b/DataAccess/FileDialogs/ProgramExample.cs
@@ -0,0 +1,62 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DataAccess.FileDialogs
+{
+    using System;
+    using System.IO;
+    using System.Text;
+    using System.Threading.Tasks;
+
+    class ProgramExample
+    {
+        static async Task Main(string[] args)
+        {
+            string storagePath = Path.Combine(Environment.CurrentDirectory, "UserFiles");
+            IFileRepository fileRepository = new FileRepository(storagePath);
+
+            // Save a file
+            string fileName = "example.txt";
+            using (var fileStream = new MemoryStream(Encoding.UTF8.GetBytes("Hello, World!")))
+            {
+                await fileRepository.SaveFileAsync(fileStream, fileName);
+                Console.WriteLine($"File '{fileName}' saved.");
+            }
+
+            // Retrieve a file
+            using (Stream retrievedFile = await fileRepository.GetFileAsync(fileName))
+            {
+                using (var reader = new StreamReader(retrievedFile))
+                {
+                    string content = await reader.ReadToEndAsync();
+                    Console.WriteLine($"Retrieved file content: {content}");
+                }
+            }
+
+            // Update a file
+            using (var updateStream = new MemoryStream(Encoding.UTF8.GetBytes("Updated content!")))
+            {
+                await fileRepository.UpdateFileAsync(updateStream, fileName);
+                Console.WriteLine($"File '{fileName}' updated.");
+            }
+
+            // Retrieve updated file
+            using (Stream updatedFile = await fileRepository.GetFileAsync(fileName))
+            {
+                using (var reader = new StreamReader(updatedFile))
+                {
+                    string updatedContent = await reader.ReadToEndAsync();
+                    Console.WriteLine($"Updated file content: {updatedContent}");
+                }
+            }
+
+            // Delete a file
+            await fileRepository.DeleteFileAsync(fileName);
+            Console.WriteLine($"File '{fileName}' deleted.");
+        }
+    }
+
+}
diff --git a/DataAccess/JsonConverters/BaseConverter.cs b/DataAccess/JsonConverters/BaseConverter.cs
new file mode 100644
index 0000000..bb5c897
--- /dev/null
+++ b/DataAccess/JsonConverters/BaseConverter.cs
@@ -0,0 +1,95 @@
+using Newtonsoft.Json;
+using Newtonsoft.Json.Linq;
+using StructureHelperCommon.Models;
+using System;
+using System.Reflection;
+
+namespace DataAccess.JsonConverters
+{
+
+
+    public abstract class BaseConverter<T> : JsonConverter<T>
+    {
+        private IShiftTraceLogger traceLogger;
+
+        protected BaseConverter(IShiftTraceLogger logger)
+        {
+            traceLogger = logger;
+        }
+
+        public override void WriteJson(JsonWriter writer, T value, JsonSerializer serializer)
+        {
+            traceLogger.AddMessage($"Serializing {typeof(T).Name} (ID: {GetId(value)})");
+
+            // Use JsonSerializer's default behavior to handle attributes like [JsonIgnore] and [JsonProperty]
+            var jo = new JObject();
+            foreach (var prop in typeof(T).GetProperties())
+            {
+                if (!ShouldIgnoreProperty(prop))
+                {
+                    string propertyName = GetPropertyName(prop);
+                    var propValue = prop.GetValue(value);
+                    jo.Add(propertyName, JToken.FromObject(propValue, serializer));
+                }
+            }
+            jo.WriteTo(writer);
+        }
+
+        // Helper method to check if a property should be ignored
+        private bool ShouldIgnoreProperty(PropertyInfo prop)
+        {
+            // Check for [JsonIgnore] attribute
+            var jsonIgnoreAttribute = prop.GetCustomAttribute<JsonIgnoreAttribute>();
+            return jsonIgnoreAttribute != null;
+        }
+
+        // Helper method to get the property name, considering [JsonProperty] and [JsonPropertyName] attributes
+        private string GetPropertyName(PropertyInfo prop)
+        {
+            // Check for [JsonProperty] attribute (for Newtonsoft.Json)
+            var jsonPropertyAttribute = prop.GetCustomAttribute<JsonPropertyAttribute>();
+            if (jsonPropertyAttribute != null)
+            {
+                return jsonPropertyAttribute.PropertyName;
+            }
+
+            // Check for [JsonPropertyName] attribute (for System.Text.Json compatibility)
+            var jsonPropertyNameAttribute = prop.GetCustomAttribute<System.Text.Json.Serialization.JsonPropertyNameAttribute>();
+            if (jsonPropertyNameAttribute != null)
+            {
+                return jsonPropertyNameAttribute.Name;
+            }
+
+            // Default to the property name if no attributes are found
+            return prop.Name;
+        }
+
+        public override T ReadJson(JsonReader reader, Type objectType, T existingValue, bool hasExistingValue, JsonSerializer serializer)
+        {
+            traceLogger.AddMessage($"Deserializing {typeof(T).Name}");
+            // Use JsonSerializer's default behavior to handle attributes during deserialization
+            JObject jo = JObject.Load(reader);
+            T obj = Activator.CreateInstance<T>();
+
+            foreach (var prop in typeof(T).GetProperties())
+            {
+                if (!ShouldIgnoreProperty(prop) && jo.TryGetValue(GetPropertyName(prop), out JToken value))
+                {
+                    var propValue = value.ToObject(prop.PropertyType, serializer);
+                    prop.SetValue(obj, propValue);
+                }
+            }
+
+            traceLogger.AddMessage($"Deserialized {typeof(T).Name} (ID: {GetId(obj)})");
+            return obj;
+        }
+
+        // Method to get the ID for logging purposes, assumes all classes have an 'Id' property of type Guid.
+        private Guid GetId(object obj)
+        {
+            var idProp = obj.GetType().GetProperty("Id");
+            return idProp != null ? (Guid)idProp.GetValue(obj) : Guid.Empty;
+        }
+    }
+
+}
diff --git a/DataAccess/JsonConverters/CrossSectionJsonConverter.cs b/DataAccess/JsonConverters/CrossSectionJsonConverter.cs
new file mode 100644
index 0000000..33c3b81
--- /dev/null
+++ b/DataAccess/JsonConverters/CrossSectionJsonConverter.cs
@@ -0,0 +1,17 @@
+using DataAccess.DTOs;
+using StructureHelperCommon.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DataAccess.JsonConverters
+{
+    public class CrossSectionJsonConverter : BaseConverter<CrossSectionDTO>
+    {
+        public CrossSectionJsonConverter(IShiftTraceLogger logger) : base(logger)
+        {
+        }
+    }
+}
diff --git a/StructureHelper.sln b/StructureHelper.sln
index 7bf9930..1b41809 100644
--- a/StructureHelper.sln
+++ b/StructureHelper.sln
@@ -18,6 +18,8 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "FieldVisualizer", "FieldVis
 		{F1548BD2-7FE8-46C2-9BC4-9BA813A5C59A} = {F1548BD2-7FE8-46C2-9BC4-9BA813A5C59A}
 	EndProjectSection
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "DataAccess", "DataAccess\DataAccess.csproj", "{BB820532-B66E-4876-903D-D6208C2A5352}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -48,6 +50,10 @@ Global
 		{6CAC5B83-81F3-47C2-92A1-0F94A58491C2}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{6CAC5B83-81F3-47C2-92A1-0F94A58491C2}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{6CAC5B83-81F3-47C2-92A1-0F94A58491C2}.Release|Any CPU.Build.0 = Release|Any CPU
+		{BB820532-B66E-4876-903D-D6208C2A5352}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{BB820532-B66E-4876-903D-D6208C2A5352}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{BB820532-B66E-4876-903D-D6208C2A5352}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{BB820532-B66E-4876-903D-D6208C2A5352}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
diff --git a/StructureHelperLogics/Models/Storages/FileStorageManager.cs b/StructureHelperLogics/Models/Storages/FileStorageManager.cs
new file mode 100644
index 0000000..8e1f607
--- /dev/null
+++ b/StructureHelperLogics/Models/Storages/FileStorageManager.cs
@@ -0,0 +1,89 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Windows.Forms;
+
+namespace StructureHelperLogics.Models.Storages
+{
+
+
+    public class FileStorageManager
+    {
+        private readonly Dictionary<Guid, OpenedFile> _openedFiles = new Dictionary<Guid, OpenedFile>();
+
+        public void OpenFile()
+        {
+            using (OpenFileDialog openFileDialog = new OpenFileDialog())
+            {
+                openFileDialog.Filter = "Text Files (*.txt)|*.txt|All Files (*.*)|*.*";
+                openFileDialog.Multiselect = true;
+                openFileDialog.Title = "Select Files";
+
+                if (openFileDialog.ShowDialog() == DialogResult.OK)
+                {
+                    foreach (var filePath in openFileDialog.FileNames)
+                    {
+                        var fileId = Guid.NewGuid();
+                        var openedFile = new OpenedFile(fileId, filePath);
+
+                        _openedFiles[fileId] = openedFile;
+
+                        Console.WriteLine($"File '{openedFile.FilePath}' opened with ID: {fileId}");
+                    }
+                }
+            }
+        }
+
+        public OpenedFile GetFile(Guid fileId)
+        {
+            if (_openedFiles.TryGetValue(fileId, out var openedFile))
+            {
+                return openedFile;
+            }
+
+            throw new KeyNotFoundException("File not found.");
+        }
+
+        public void CloseFile(Guid fileId)
+        {
+            if (_openedFiles.ContainsKey(fileId))
+            {
+                _openedFiles.Remove(fileId);
+                Console.WriteLine($"File with ID: {fileId} has been closed.");
+            }
+            else
+            {
+                throw new KeyNotFoundException("File not found.");
+            }
+        }
+
+        public void AddRelatedObjectToFile(Guid fileId, FileRelatedObject relatedObject)
+        {
+            var openedFile = GetFile(fileId);
+            openedFile.AddRelatedObject(relatedObject);
+            Console.WriteLine($"Added related object to file ID: {fileId}, Related Object: {relatedObject}");
+        }
+
+        public FileRelatedObject GetRelatedObjectFromFile(Guid fileId, Guid objectId)
+        {
+            var openedFile = GetFile(fileId);
+            return openedFile.GetRelatedObject(objectId);
+        }
+
+        public void RemoveRelatedObjectFromFile(Guid fileId, Guid objectId)
+        {
+            var openedFile = GetFile(fileId);
+            openedFile.RemoveRelatedObject(objectId);
+            Console.WriteLine($"Removed related object with ID: {objectId} from file ID: {fileId}");
+        }
+
+        public void ListOpenedFiles()
+        {
+            foreach (var file in _openedFiles.Values)
+            {
+                Console.WriteLine($"File ID: {file.Id}, Path: {file.FilePath}, Related Objects Count: {file.RelatedObjects.Count}");
+            }
+        }
+    }
+
+}
diff --git a/StructureHelperLogics/Models/Storages/OpenedFile.cs b/StructureHelperLogics/Models/Storages/OpenedFile.cs
new file mode 100644
index 0000000..f89cd85
--- /dev/null
+++ b/StructureHelperLogics/Models/Storages/OpenedFile.cs
@@ -0,0 +1,84 @@
+using StructureHelperCommon.Infrastructures.Interfaces;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace StructureHelperLogics.Models.Storages
+{
+    public class OpenedFile
+    {
+        public Guid Id { get; }
+        public string FilePath { get; }
+        public List<ISaveable> RelatedObjects { get; } // List of related objects
+
+        public OpenedFile(Guid id, string filePath)
+        {
+            Id = id;
+            FilePath = filePath;
+            RelatedObjects = new List<ISaveable>();
+        }
+
+        public void AddRelatedObject(ISaveable relatedObject)
+        {
+            RelatedObjects.Add(relatedObject);
+        }
+
+        public void RemoveRelatedObject(Guid objectId)
+        {
+            RelatedObjects.RemoveAll(o => o.Id == objectId);
+        }
+
+        public ISaveable GetRelatedObject(Guid objectId)
+        {
+            return RelatedObjects.Find(o => o.Id == objectId);
+        }
+    }
+
+    class Program
+    {
+        [STAThread] // Required for OpenFileDialog
+        static void Main()
+        {
+            var fileStorageManager = new FileStorageManager();
+
+            // Open files and add them to the storage
+            fileStorageManager.OpenFile();
+
+            // List all opened files
+            Console.WriteLine("\nOpened Files:");
+            fileStorageManager.ListOpenedFiles();
+
+            // Example: Adding related objects to the first opened file (if any)
+            var openedFiles = new List<Guid>(fileStorageManager._openedFiles.Keys);
+            if (openedFiles.Count > 0)
+            {
+                var firstFileId = openedFiles[0];
+                var relatedObject = new FileRelatedObject("Sample Object", "This is a sample description");
+                fileStorageManager.AddRelatedObjectToFile(firstFileId, relatedObject);
+
+                Console.WriteLine("\nAfter Adding Related Object:");
+                fileStorageManager.ListOpenedFiles();
+
+                // Retrieve related object
+                var retrievedObject = fileStorageManager.GetRelatedObjectFromFile(firstFileId, relatedObject.Id);
+                Console.WriteLine($"\nRetrieved Related Object: {retrievedObject}");
+
+                // Remove related object
+                fileStorageManager.RemoveRelatedObjectFromFile(firstFileId, relatedObject.Id);
+
+                Console.WriteLine("\nAfter Removing Related Object:");
+                fileStorageManager.ListOpenedFiles();
+            }
+
+            // Close all files
+            foreach (var fileId in openedFiles)
+            {
+                fileStorageManager.CloseFile(fileId);
+            }
+        }
+    }
+
+
+}