diff --git a/src/controller/__pycache__/controller.cpython-310.pyc b/src/controller/__pycache__/controller.cpython-310.pyc
index eebbf40..c93d105 100644
Binary files a/src/controller/__pycache__/controller.cpython-310.pyc and b/src/controller/__pycache__/controller.cpython-310.pyc differ
diff --git a/src/controller/__pycache__/monitor.cpython-310.pyc b/src/controller/__pycache__/monitor.cpython-310.pyc
index 731d0e7..b2d9573 100644
Binary files a/src/controller/__pycache__/monitor.cpython-310.pyc and b/src/controller/__pycache__/monitor.cpython-310.pyc differ
diff --git a/src/controller/controller.py b/src/controller/controller.py
index bdb6207..651fdaf 100644
--- a/src/controller/controller.py
+++ b/src/controller/controller.py
@@ -8,9 +8,13 @@ class Controller(BaseController):
 
     signal_widgets = pyqtSignal(list)
     signal_settings = pyqtSignal(list)
+    signal_monitor = pyqtSignal(str)
 
     def send_widgets(self, widgets: list[QWidget]) -> None:
         self.signal_widgets.emit(widgets)
     
     def push_settings(self, settings: list[dict]) -> None:
         self.signal_settings.emit(settings)
+
+    def open_custom_file (self, filepath: str) -> None:
+        self.signal_monitor.emit(filepath)
\ No newline at end of file
diff --git a/src/controller/monitor.py b/src/controller/monitor.py
index 533ed45..c30c446 100644
--- a/src/controller/monitor.py
+++ b/src/controller/monitor.py
@@ -47,5 +47,9 @@ class DirectoryMonitor(BaseDirectoryMonitor):
         else:
             logger.info(f"Failed pushing {str(all_files)}")
 
-
+    def custom_dir_extract(self, dict_path:str ):
+        files = os.listdir(dict_path)
+        if files is not None:
+            all_files = [os.path.join(dict_path, file) for file in files]
+            self._mediator.notify(self, all_files)
 
diff --git a/src/gui/__pycache__/mainGui.cpython-310.pyc b/src/gui/__pycache__/mainGui.cpython-310.pyc
index bdf7195..aa8edb5 100644
Binary files a/src/gui/__pycache__/mainGui.cpython-310.pyc and b/src/gui/__pycache__/mainGui.cpython-310.pyc differ
diff --git a/src/gui/__pycache__/plotter.cpython-310.pyc b/src/gui/__pycache__/plotter.cpython-310.pyc
index 47c95e8..863a1d8 100644
Binary files a/src/gui/__pycache__/plotter.cpython-310.pyc and b/src/gui/__pycache__/plotter.cpython-310.pyc differ
diff --git a/src/gui/mainGui.py b/src/gui/mainGui.py
index 4949ca5..804986e 100644
--- a/src/gui/mainGui.py
+++ b/src/gui/mainGui.py
@@ -14,6 +14,7 @@ class MainWindow(BaseMainWindow):
         self.initUI()
         self.set_style(self)
         self.settings_button.clicked.connect(self._show_settings)
+        self.select_dir_button.clicked.connect(self._select_dir)
         self.operSettings = settingsWindow("params/operator_params.json", 'Operator', self._updater_trigger)
         self.sysSettings = settingsWindow("params/system_params.json", 'System', self._updater_trigger)
 
@@ -23,9 +24,17 @@ class MainWindow(BaseMainWindow):
         self.tabWidget.tabCloseRequested.connect(self._close_tab)
         layout = QtWidgets.QVBoxLayout()
         layout.addWidget(self.tabWidget)
+
         self.settings_button = QtWidgets.QPushButton("Show settings")
         self.settings_button.setFixedWidth(160)
-        layout.addWidget(self.settings_button)
+        self.select_dir_button = QtWidgets.QPushButton("Open directory")
+        self.select_dir_button.setFixedWidth(175)
+        button_layout = QtWidgets.QHBoxLayout()
+        button_layout.setSpacing(2)
+        button_layout.addWidget(self.settings_button)
+        button_layout.addWidget(self.select_dir_button)
+
+        layout.addLayout(button_layout)
         self.setLayout(layout)
 
     def show_plot_tabs(self, plot_widgets: list[QtWidgets.QWidget]) -> None:
@@ -63,6 +72,10 @@ class MainWindow(BaseMainWindow):
     def _close_tab(self, index:int) -> None:
         self.tabWidget.removeTab(index)
     
+    def _select_dir(self):
+        folder_path = QtWidgets.QFileDialog.getExistingDirectory(self, 'Select directory', "")
+        if folder_path:
+            self._controller.open_custom_file(folder_path)
 
 
 
diff --git a/src/main.py b/src/main.py
index 25919ae..06e1ba2 100644
--- a/src/main.py
+++ b/src/main.py
@@ -25,6 +25,7 @@ def main():
 
     controller.signal_widgets.connect(window.show_plot_tabs)
     controller.signal_settings.connect(mediator.push_settings)
+    controller.signal_monitor.connect(monitor.custom_dir_extract)
 
     window.push_settings()
 
diff --git a/src/utils/base/__pycache__/base.cpython-310.pyc b/src/utils/base/__pycache__/base.cpython-310.pyc
index 579ebe5..b6502ba 100644
Binary files a/src/utils/base/__pycache__/base.cpython-310.pyc and b/src/utils/base/__pycache__/base.cpython-310.pyc differ
diff --git a/src/utils/base/base.py b/src/utils/base/base.py
index fdb3c5a..1029b54 100644
--- a/src/utils/base/base.py
+++ b/src/utils/base/base.py
@@ -254,6 +254,9 @@ class BaseController(QObject):
 
     def push_settings(self, settings: list[dict]) -> None:
         ...
+    
+    def open_custom_file (self, filepath: str) -> None:
+        ...
 
 
 class BaseIdealDataBuilder(OptAlgorithm):