diff --git a/src/LessMsi.Gui/MainForm.cs b/src/LessMsi.Gui/MainForm.cs
index 1f296bf..ab7f460 100644
--- a/src/LessMsi.Gui/MainForm.cs
+++ b/src/LessMsi.Gui/MainForm.cs
@@ -691,7 +691,7 @@ private void InitializeComponent()
             // openMsiDialog
             // 
             this.openMsiDialog.DefaultExt = "msi";
-            this.openMsiDialog.Filter = "msierablefiles|*.msi;*.msp|All Files|*.*";
+            this.openMsiDialog.Filter = $"{Strings.MsiFilesFilter}|*.msi;*.msp|{Strings.AllFilesFilter}|*.*";
             // 
             // statusBar1
             // 
diff --git a/src/LessMsi.Gui/Resources/Languages/Strings.Designer.cs b/src/LessMsi.Gui/Resources/Languages/Strings.Designer.cs
index b9dcac4..0cec0db 100644
--- a/src/LessMsi.Gui/Resources/Languages/Strings.Designer.cs
+++ b/src/LessMsi.Gui/Resources/Languages/Strings.Designer.cs
@@ -87,6 +87,15 @@ internal static string AddShortcutTextNote {
             }
         }
         
+        /// <summary>
+        ///   Looks up a localized string similar to All Files.
+        /// </summary>
+        internal static string AllFilesFilter {
+            get {
+                return ResourceManager.GetString("AllFilesFilter", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   Looks up a localized string similar to The file path is badly formed.
         /// </summary>
@@ -285,6 +294,15 @@ internal static string MissingFile {
             }
         }
         
+        /// <summary>
+        ///   Looks up a localized string similar to msierablefiles.
+        /// </summary>
+        internal static string MsiFilesFilter {
+            get {
+                return ResourceManager.GetString("MsiFilesFilter", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   Looks up a localized string similar to Name.
         /// </summary>
diff --git a/src/LessMsi.Gui/Resources/Languages/Strings.it.resx b/src/LessMsi.Gui/Resources/Languages/Strings.it.resx
index 6339fbf..f8788f4 100644
--- a/src/LessMsi.Gui/Resources/Languages/Strings.it.resx
+++ b/src/LessMsi.Gui/Resources/Languages/Strings.it.resx
@@ -118,7 +118,7 @@
     <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
   </resheader>
   <data name="About" xml:space="preserve">
-    <value>Info Programma</value>
+    <value>Info programma</value>
   </data>
   <data name="Component" xml:space="preserve">
     <value>Componente</value>
@@ -145,10 +145,10 @@
     <value>E&amp;strai</value>
   </data>
   <data name="ExtractFiles" xml:space="preserve">
-    <value>Estrai File</value>
+    <value>Estrai file</value>
   </data>
   <data name="ExtractStreamFiles" xml:space="preserve">
-    <value>Estrai File Flussi...</value>
+    <value>Estrai file flussi...</value>
   </data>
   <data name="File" xml:space="preserve">
     <value>File</value>
@@ -166,13 +166,13 @@
     <value>Preferenze</value>
   </data>
   <data name="RecentFiles" xml:space="preserve">
-    <value>File Recenti</value>
+    <value>File recenti</value>
   </data>
   <data name="SearchFile" xml:space="preserve">
-    <value>Cerca File</value>
+    <value>Cerca file</value>
   </data>
   <data name="SelectAll" xml:space="preserve">
-    <value>Selziona &amp;Tutto</value>
+    <value>Selziona &amp;tutto</value>
   </data>
   <data name="Size" xml:space="preserve">
     <value>Dimensione</value>
@@ -190,13 +190,13 @@
     <value>&amp;Tabella</value>
   </data>
   <data name="TableView" xml:space="preserve">
-    <value>Vista Tabella</value>
+    <value>Vista tabella</value>
   </data>
   <data name="Type" xml:space="preserve">
     <value>Tipo</value>
   </data>
   <data name="UnselectAll" xml:space="preserve">
-    <value>&amp;Deseleziona Tutto</value>
+    <value>&amp;Deseleziona tutto</value>
   </data>
   <data name="Value" xml:space="preserve">
     <value>Valore</value>
@@ -232,19 +232,19 @@
     <value>Il percorso del file è troppo lungo</value>
   </data>
   <data name="AddShortcutText" xml:space="preserve">
-    <value>Aggiungi menu contestuale Explorer</value>
+    <value>Aggiungi menu contestuale explorer</value>
   </data>
   <data name="AddShortcutTextNote" xml:space="preserve">
     <value>Aggiungi le voci 'Estrai' e 'Sfoglia' al menu contestuale dei file .msi</value>
   </data>
   <data name="RemoveShortcutText" xml:space="preserve">
-    <value>Rimuovi menu contestuale Explorer</value>
+    <value>Rimuovi menu contestuale explorer</value>
   </data>
   <data name="RemoveShortcutTextNote" xml:space="preserve">
-    <value>Rimuovi se esistono voci menu contestuale Explorer</value>
+    <value>Rimuovi se esistono voci menu contestuale explorer</value>
   </data>
   <data name="MissingFile" xml:space="preserve">
-    <value>File Mancante</value>
+    <value>File mancante</value>
   </data>
   <data name="SameDirMassage" xml:space="preserve">
     <value>deve essere nella stessa cartella di</value>
@@ -276,4 +276,10 @@
   <data name="PreferencesMenuLabel" xml:space="preserve">
     <value>&amp;Preferenze</value>
   </data>
+  <data name="AllFilesFilter" xml:space="preserve">
+    <value>Tutti i file</value>
+  </data>
+  <data name="MsiFilesFilter" xml:space="preserve">
+    <value>File eseguibili .msi</value>
+  </data>
 </root>
\ No newline at end of file
diff --git a/src/LessMsi.Gui/Resources/Languages/Strings.resx b/src/LessMsi.Gui/Resources/Languages/Strings.resx
index 9606c58..bd0c428 100644
--- a/src/LessMsi.Gui/Resources/Languages/Strings.resx
+++ b/src/LessMsi.Gui/Resources/Languages/Strings.resx
@@ -126,6 +126,9 @@
   <data name="AddShortcutTextNote" xml:space="preserve">
     <value>Adds 'Extract' &amp; 'Explore' menu items to the right-click context menu of .msi files</value>
   </data>
+  <data name="AllFilesFilter" xml:space="preserve">
+    <value>All Files</value>
+  </data>
   <data name="BadlyFormedFilePathError" xml:space="preserve">
     <value>The file path is badly formed</value>
   </data>
@@ -192,6 +195,9 @@
   <data name="MissingFile" xml:space="preserve">
     <value>Missing File</value>
   </data>
+  <data name="MsiFilesFilter" xml:space="preserve">
+    <value>msierablefiles</value>
+  </data>
   <data name="Name" xml:space="preserve">
     <value>Name</value>
   </data>
diff --git a/src/Lessmsi.Tests/GUITests.cs b/src/Lessmsi.Tests/GUITests.cs
index ffda299..29fe629 100644
--- a/src/Lessmsi.Tests/GUITests.cs
+++ b/src/Lessmsi.Tests/GUITests.cs
@@ -48,8 +48,8 @@ private void checkItalianUIStrings()
             Assert.NotNull(form);
 
             // check buttons strings
-            Assert.Equal("Selziona &Tutto", form.btnSelectAll.Text);
-            Assert.Equal("&Deseleziona Tutto", form.btnUnselectAll.Text);
+            Assert.Equal("Selziona &tutto", form.btnSelectAll.Text);
+            Assert.Equal("&Deseleziona tutto", form.btnUnselectAll.Text);
             Assert.Equal("E&strai", form.btnExtract.Text);
 
             // check strip menu items strings