diff --git a/MTC_Sim/MTC_Sim/AdapterConf/PersistData.bin b/MTC_Sim/MTC_Sim/AdapterConf/PersistData.bin
deleted file mode 100644
index 6bac0fa..0000000
Binary files a/MTC_Sim/MTC_Sim/AdapterConf/PersistData.bin and /dev/null differ
diff --git a/MTC_Sim/MTC_Sim/AdapterConf/PersistData.mtc b/MTC_Sim/MTC_Sim/AdapterConf/PersistData.mtc
new file mode 100644
index 0000000..e69de29
diff --git a/MTC_Sim/MTC_Sim/App.config b/MTC_Sim/MTC_Sim/App.config
index 2e339c3..8e648c4 100644
--- a/MTC_Sim/MTC_Sim/App.config
+++ b/MTC_Sim/MTC_Sim/App.config
@@ -39,7 +39,7 @@
 
     <add key="autoLoadConf" value="false" />
     <add key="defaultConfFile" value="CMS_FANUC.xml" />
-    <add key="defaultPersLayerFile" value="PersistData.bin" />
+    <add key="defaultPersLayerFile" value="PersistData.mtc" />
     <add key="defaultEsaFile" value="EsaKvara.ini" />
     <add key="autoStartOnLoad" value="true" />
     <add key="openDumpOnStart" value="true" />
diff --git a/MTC_Sim/MTC_Sim/MTC-Adapter.csproj b/MTC_Sim/MTC_Sim/MTC-Adapter.csproj
index 094448b..0ce4dfb 100644
--- a/MTC_Sim/MTC_Sim/MTC-Adapter.csproj
+++ b/MTC_Sim/MTC_Sim/MTC-Adapter.csproj
@@ -175,7 +175,7 @@
     <None Include="App.SCM.config">
       <DependentUpon>App.config</DependentUpon>
     </None>
-    <None Include="AdapterConf\PersistData.bin">
+    <None Include="AdapterConf\PersistData.mtc">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </None>
     <None Include="Resources\SCM\app.msg" />
diff --git a/MTC_Sim/MTC_Sim/MainForm.cs b/MTC_Sim/MTC_Sim/MainForm.cs
index 544665f..4db296a 100644
--- a/MTC_Sim/MTC_Sim/MainForm.cs
+++ b/MTC_Sim/MTC_Sim/MainForm.cs
@@ -393,7 +393,7 @@ namespace MTC_Adapter
         {
             get
             {
-                return string.Format(@"{0}\{1:yyyy}\{1:yyyy-MM-dd}.bin", utils.CRS("XmlHistFilePath"), DateTime.Now);
+                return string.Format(@"{0}\{1:yyyy}\{1:yyyy-MM-dd}.mtc", utils.CRS("XmlHistFilePath"), DateTime.Now);
             }
         }
         /// <summary>
@@ -953,7 +953,7 @@ namespace MTC_Adapter
         /// <param name="filePath"></param>
         public void savePersistLayer(string filePath)
         {
-            utils.Write(agObj.persistenceLayer, filePath);
+            utils.WritePlain(agObj.persistenceLayer, filePath);
         }
         /// <summary>
         /// Carica da file l'oggetto di persistenza dati
@@ -963,7 +963,8 @@ namespace MTC_Adapter
         {
             // inizializzo prima di leggere...
             agObj.persistenceLayer = new Dictionary<string, string>();
-            agObj.persistenceLayer = utils.Read(filePath);
+            agObj.persistenceLayer = utils.ReadPlain(filePath);
+            //agObj.persistenceLayer = utils.ReadBin(filePath);
         }
 
         #endregion
diff --git a/MTC_Sim/MTC_Sim/utils.cs b/MTC_Sim/MTC_Sim/utils.cs
index f24c104..928bfdc 100644
--- a/MTC_Sim/MTC_Sim/utils.cs
+++ b/MTC_Sim/MTC_Sim/utils.cs
@@ -209,7 +209,7 @@ namespace MTC_Adapter
         /// </summary>
         /// <param name="dictionary"></param>
         /// <param name="file"></param>
-        public static void Write(Dictionary<string, string> dictionary, string file)
+        public static void WriteBin(Dictionary<string, string> dictionary, string file)
         {
             using (FileStream fs = File.OpenWrite(file))
             using (BinaryWriter writer = new BinaryWriter(fs))
@@ -229,11 +229,11 @@ namespace MTC_Adapter
         /// </summary>
         /// <param name="file"></param>
         /// <returns></returns>
-        public static Dictionary<string, string> Read(string file)
+        public static Dictionary<string, string> ReadBin(string file)
         {
             var result = new Dictionary<string, string>();
             // verifico file esista...
-            if(!File.Exists(file))
+            if (!File.Exists(file))
             {
                 FileStream fs = File.Create(file);
                 fs.Close();
@@ -259,6 +259,37 @@ namespace MTC_Adapter
             }
             return result;
         }
+
+        /// <summary>
+        /// Scrittura dictionary su file
+        /// </summary>
+        /// <param name="dictionary"></param>
+        /// <param name="file"></param>
+        public static void WritePlain(Dictionary<string, string> dictionary, string file)
+        {
+            string[] lines = dictionary.OrderBy(i => i.Key).Select(kvp => kvp.Key + ":" + kvp.Value).ToArray();
+            File.WriteAllLines(file, lines);
+        }
+        /// <summary>
+        /// Lettura dictionary da file
+        /// </summary>
+        /// <param name="file"></param>
+        /// <returns></returns>
+        public static Dictionary<string, string> ReadPlain(string file)
+        {
+            var result = new Dictionary<string, string>();
+            // verifico file esista...
+            if (!File.Exists(file))
+            {
+                FileStream fs = File.Create(file);
+                fs.Close();
+            }
+
+            string[] lines = File.ReadAllLines(file);
+            result = lines.Select(l => l.Split(':')).ToDictionary(a => a[0], a => a[1]);
+            
+            return result;
+        }
     }
     /// <summary>
     /// Oggetto timing x archiviazione dati perfomances