diff --git a/main.py b/main.py
index 3fe1704..73dea31 100644
--- a/main.py
+++ b/main.py
@@ -20,5 +20,6 @@ if __name__ == "__main__":
     app.installTranslator(translator)
     # fire up main ui
     ui = MainWindow()
-    ui.show()
+    ui.showMaximized()
+    #ui.show()
     sys.exit(app.exec_())
diff --git a/pydsf.py b/pydsf.py
index f84054c..62fe33a 100644
--- a/pydsf.py
+++ b/pydsf.py
@@ -478,80 +478,44 @@ class Plate:
         self.max_tm = max(self.tms)
         self.min_tm = min(self.tms)
 
-    def write_tm_table(self, filename):
+    def write_tm_table(self, filename, avg=False):
         with open(filename, 'w') as f:
-            f.write('#{:<4s}{:>13s}\n'.format('ID', '"Tm [°C]"'))
+            writer = csv.writer(f, dialect='excel')
+            header = ['ID', 'Tm [°C]']
+            if avg:
+                header.append('SD [°C]')
+            writer.writerow(header)
             for well in self.wells:
-                if np.isnan(well.tm) or well in self.denatured_wells:
-                    f.write('{:<5s}{:>12s}\n'.format(well.name, 'NaN'))
-                else:
-                    f.write('{:<5s}{:>12s}\n'.format(well.name, str(well.tm)))
+                row = [well.name, well.tm]
+                if avg:
+                    row.append(well.tm_sd)
+                writer.writerow(row)
 
-    def write_avg_tm_table(self, filename):
+    def write_data_table(self, filename, dataType='raw'):
         with open(filename, 'w') as f:
-            f.write('#{:<4s}{:>13s}{:>13s}\n'.format('"ID"', '"Tm [°C]"',
-                                                     '"SD"'))
+            writer = csv.writer(f, dialect='excel')
+            header = ['Tm [°C]']
             for well in self.wells:
-                if np.isnan(well.tm) or well in self.denatured_wells:
-                    f.write('{:<5s}{:>12s}{:>12s}\n'.format(well.name, 'NaN',
-                                                            'NaN'))
-                else:
-                    f.write('{:<5s}{:>12s}{:>12s}\n'.format(well.name,
-                                                            str(well.tm),
-                                                            str(well.tm_sd)))
-
-    def write_raw_table(self, filename):
-        with open(filename, 'w') as f:
-            f.write('#"Raw data"\n')
-            f.write('#{:<10s}'.format('"T [°C]"'))
-            for well in self.wells:
-                f.write('{:>15s}'.format(well.name))
-            f.write('\n')
+                header.append(well.name)
+            writer.writerow(header)
 
             i = 0
+            row = []
             for t in self.temprange:
-                f.write('{:<10s}'.format(str(t)))
+                row.append(str(t))
                 for well in self.wells:
-                    d = well.raw[i]
+                    if dataType == 'raw':
+                        d = well.raw[i]
+                    elif dataType == 'filtered':
+                        d = well.filtered[i]
+                    elif dataType == 'derivative':
+                        d = well.derivatives[1][i]
+                    else:
+                        raise ValueError('Valid dataTypes are "raw", "filtered", and "derivative"! dataType provided was:{}'.format(dataType))
                     d_rounded = float(np.round(d, decimals=3))
-                    f.write('{:>-15.3f}'.format(d_rounded))
-                f.write('\n')
-                i += 1
-
-    def write_filtered_table(self, filename):
-        with open(filename, 'w') as f:
-            f.write('#"Filtered data" \n')
-            f.write('#{:<10s}'.format('"T [°C]"'))
-            for well in self.wells:
-                f.write('{:>15s}'.format(well.name))
-            f.write('\n')
-
-            i = 0
-            for t in self.temprange:
-                f.write('{:<10s}'.format(str(t)))
-                for well in self.wells:
-                    d = well.filtered[i]
-                    d_rounded = float(np.round(d, decimals=3))
-                    f.write('{:>-15.3f}'.format(d_rounded))
-                f.write('\n')
-                i += 1
-
-    def write_derivative_table(self, filename):
-        with open(filename, 'w') as f:
-            f.write('#"Derivative dI/dT"\n')
-            f.write('#{:<10s}'.format('"T [°C]"'))
-            for well in self.wells:
-                f.write('{:>15s}'.format(well.name))
-            f.write('\n')
-
-            i = 0
-            for t in self.temprange:
-                f.write('{:<10s}'.format(str(t)))
-                for well in self.wells:
-                    d = well.derivatives[1][i]
-                    d_rounded = float(np.round(d, decimals=3))
-                    f.write('{:>-15.3f}'.format(d_rounded))
-                f.write('\n')
+                    row.append(d_rounded)
+                writer.writerow(row)
+                row = []
                 i += 1
 
     # TODO: Implement 'write_baseline_corrected_table()
diff --git a/ui/Ui_mainwindow.py b/ui/Ui_mainwindow.py
index 31af081..d16c4a8 100644
--- a/ui/Ui_mainwindow.py
+++ b/ui/Ui_mainwindow.py
@@ -11,7 +11,12 @@ from PyQt5 import QtCore, QtGui, QtWidgets
 class Ui_MainWindow(object):
     def setupUi(self, MainWindow):
         MainWindow.setObjectName("MainWindow")
-        MainWindow.resize(1066, 795)
+        MainWindow.resize(4095, 4095)
+        sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Preferred, QtWidgets.QSizePolicy.Preferred)
+        sizePolicy.setHorizontalStretch(0)
+        sizePolicy.setVerticalStretch(0)
+        sizePolicy.setHeightForWidth(MainWindow.sizePolicy().hasHeightForWidth())
+        MainWindow.setSizePolicy(sizePolicy)
         MainWindow.setLocale(QtCore.QLocale(QtCore.QLocale.English, QtCore.QLocale.UnitedStates))
         self.centralWidget = QtWidgets.QWidget(MainWindow)
         self.centralWidget.setLocale(QtCore.QLocale(QtCore.QLocale.English, QtCore.QLocale.UnitedStates))
@@ -128,33 +133,6 @@ class Ui_MainWindow(object):
         self.doubleSpinBox_dt.setObjectName("doubleSpinBox_dt")
         self.formLayout.setWidget(2, QtWidgets.QFormLayout.FieldRole, self.doubleSpinBox_dt)
         self.gridLayout.addWidget(self.groupBox_temp, 0, 0, 1, 1)
-        self.groupBox_cutoff = QtWidgets.QGroupBox(self.groupBox_processing)
-        self.groupBox_cutoff.setEnabled(True)
-        self.groupBox_cutoff.setAlignment(QtCore.Qt.AlignLeading|QtCore.Qt.AlignLeft|QtCore.Qt.AlignVCenter)
-        self.groupBox_cutoff.setCheckable(True)
-        self.groupBox_cutoff.setChecked(False)
-        self.groupBox_cutoff.setObjectName("groupBox_cutoff")
-        self.formLayout_2 = QtWidgets.QFormLayout(self.groupBox_cutoff)
-        self.formLayout_2.setFieldGrowthPolicy(QtWidgets.QFormLayout.ExpandingFieldsGrow)
-        self.formLayout_2.setLabelAlignment(QtCore.Qt.AlignRight|QtCore.Qt.AlignTrailing|QtCore.Qt.AlignVCenter)
-        self.formLayout_2.setFormAlignment(QtCore.Qt.AlignLeading|QtCore.Qt.AlignLeft|QtCore.Qt.AlignTop)
-        self.formLayout_2.setObjectName("formLayout_2")
-        self.label_cutoff_high = QtWidgets.QLabel(self.groupBox_cutoff)
-        self.label_cutoff_high.setObjectName("label_cutoff_high")
-        self.formLayout_2.setWidget(0, QtWidgets.QFormLayout.LabelRole, self.label_cutoff_high)
-        self.doubleSpinBox_upper = QtWidgets.QDoubleSpinBox(self.groupBox_cutoff)
-        self.doubleSpinBox_upper.setPrefix("")
-        self.doubleSpinBox_upper.setDecimals(1)
-        self.doubleSpinBox_upper.setObjectName("doubleSpinBox_upper")
-        self.formLayout_2.setWidget(0, QtWidgets.QFormLayout.FieldRole, self.doubleSpinBox_upper)
-        self.label_cutoff_low = QtWidgets.QLabel(self.groupBox_cutoff)
-        self.label_cutoff_low.setObjectName("label_cutoff_low")
-        self.formLayout_2.setWidget(1, QtWidgets.QFormLayout.LabelRole, self.label_cutoff_low)
-        self.doubleSpinBox_lower = QtWidgets.QDoubleSpinBox(self.groupBox_cutoff)
-        self.doubleSpinBox_lower.setDecimals(1)
-        self.doubleSpinBox_lower.setObjectName("doubleSpinBox_lower")
-        self.formLayout_2.setWidget(1, QtWidgets.QFormLayout.FieldRole, self.doubleSpinBox_lower)
-        self.gridLayout.addWidget(self.groupBox_cutoff, 0, 1, 1, 1)
         self.groupBox_signal_threshold = QtWidgets.QGroupBox(self.groupBox_processing)
         self.groupBox_signal_threshold.setEnabled(True)
         self.groupBox_signal_threshold.setCheckable(True)
@@ -190,8 +168,67 @@ class Ui_MainWindow(object):
         self.doubleSpinBox_cbar_end.setObjectName("doubleSpinBox_cbar_end")
         self.formLayout_4.setWidget(2, QtWidgets.QFormLayout.FieldRole, self.doubleSpinBox_cbar_end)
         self.gridLayout.addWidget(self.groupBox_cbar, 1, 1, 1, 1)
+        self.groupBox_cutoff = QtWidgets.QGroupBox(self.groupBox_processing)
+        self.groupBox_cutoff.setEnabled(True)
+        self.groupBox_cutoff.setAlignment(QtCore.Qt.AlignLeading|QtCore.Qt.AlignLeft|QtCore.Qt.AlignVCenter)
+        self.groupBox_cutoff.setCheckable(True)
+        self.groupBox_cutoff.setChecked(False)
+        self.groupBox_cutoff.setObjectName("groupBox_cutoff")
+        self.formLayout_2 = QtWidgets.QFormLayout(self.groupBox_cutoff)
+        self.formLayout_2.setFieldGrowthPolicy(QtWidgets.QFormLayout.ExpandingFieldsGrow)
+        self.formLayout_2.setLabelAlignment(QtCore.Qt.AlignRight|QtCore.Qt.AlignTrailing|QtCore.Qt.AlignVCenter)
+        self.formLayout_2.setFormAlignment(QtCore.Qt.AlignLeading|QtCore.Qt.AlignLeft|QtCore.Qt.AlignTop)
+        self.formLayout_2.setObjectName("formLayout_2")
+        self.label_cutoff_high = QtWidgets.QLabel(self.groupBox_cutoff)
+        self.label_cutoff_high.setObjectName("label_cutoff_high")
+        self.formLayout_2.setWidget(0, QtWidgets.QFormLayout.LabelRole, self.label_cutoff_high)
+        self.doubleSpinBox_upper = QtWidgets.QDoubleSpinBox(self.groupBox_cutoff)
+        self.doubleSpinBox_upper.setPrefix("")
+        self.doubleSpinBox_upper.setDecimals(1)
+        self.doubleSpinBox_upper.setObjectName("doubleSpinBox_upper")
+        self.formLayout_2.setWidget(0, QtWidgets.QFormLayout.FieldRole, self.doubleSpinBox_upper)
+        self.label_cutoff_low = QtWidgets.QLabel(self.groupBox_cutoff)
+        self.label_cutoff_low.setObjectName("label_cutoff_low")
+        self.formLayout_2.setWidget(1, QtWidgets.QFormLayout.LabelRole, self.label_cutoff_low)
+        self.doubleSpinBox_lower = QtWidgets.QDoubleSpinBox(self.groupBox_cutoff)
+        self.doubleSpinBox_lower.setDecimals(1)
+        self.doubleSpinBox_lower.setObjectName("doubleSpinBox_lower")
+        self.formLayout_2.setWidget(1, QtWidgets.QFormLayout.FieldRole, self.doubleSpinBox_lower)
+        self.gridLayout.addWidget(self.groupBox_cutoff, 0, 1, 1, 1)
+        self.groupBox_output = QtWidgets.QGroupBox(self.groupBox_processing)
+        self.groupBox_output.setCheckable(True)
+        self.groupBox_output.setChecked(False)
+        self.groupBox_output.setObjectName("groupBox_output")
+        self.gridLayout_2 = QtWidgets.QGridLayout(self.groupBox_output)
+        self.gridLayout_2.setObjectName("gridLayout_2")
+        self.checkBox_saveplots = QtWidgets.QCheckBox(self.groupBox_output)
+        self.checkBox_saveplots.setObjectName("checkBox_saveplots")
+        self.gridLayout_2.addWidget(self.checkBox_saveplots, 0, 0, 1, 1)
+        self.buttonBox_output = QtWidgets.QDialogButtonBox(self.groupBox_output)
+        sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.MinimumExpanding, QtWidgets.QSizePolicy.Fixed)
+        sizePolicy.setHorizontalStretch(0)
+        sizePolicy.setVerticalStretch(0)
+        sizePolicy.setHeightForWidth(self.buttonBox_output.sizePolicy().hasHeightForWidth())
+        self.buttonBox_output.setSizePolicy(sizePolicy)
+        self.buttonBox_output.setOrientation(QtCore.Qt.Vertical)
+        self.buttonBox_output.setStandardButtons(QtWidgets.QDialogButtonBox.Open)
+        self.buttonBox_output.setObjectName("buttonBox_output")
+        self.gridLayout_2.addWidget(self.buttonBox_output, 2, 1, 1, 1)
+        self.lineEdit_output = QtWidgets.QLineEdit(self.groupBox_output)
+        self.lineEdit_output.setObjectName("lineEdit_output")
+        self.gridLayout_2.addWidget(self.lineEdit_output, 2, 0, 1, 1)
+        self.checkBox_savetables = QtWidgets.QCheckBox(self.groupBox_output)
+        self.checkBox_savetables.setObjectName("checkBox_savetables")
+        self.gridLayout_2.addWidget(self.checkBox_savetables, 1, 0, 1, 1)
+        self.gridLayout.addWidget(self.groupBox_output, 2, 0, 1, 2)
         self.formLayout_3.setWidget(2, QtWidgets.QFormLayout.SpanningRole, self.groupBox_processing)
         self.buttonBox_process = QtWidgets.QDialogButtonBox(self.groupBox_experiment)
+        sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Expanding)
+        sizePolicy.setHorizontalStretch(0)
+        sizePolicy.setVerticalStretch(0)
+        sizePolicy.setHeightForWidth(self.buttonBox_process.sizePolicy().hasHeightForWidth())
+        self.buttonBox_process.setSizePolicy(sizePolicy)
+        self.buttonBox_process.setMinimumSize(QtCore.QSize(0, 0))
         self.buttonBox_process.setStandardButtons(QtWidgets.QDialogButtonBox.NoButton)
         self.buttonBox_process.setObjectName("buttonBox_process")
         self.formLayout_3.setWidget(3, QtWidgets.QFormLayout.FieldRole, self.buttonBox_process)
@@ -220,7 +257,7 @@ class Ui_MainWindow(object):
         self.horizontalLayout.addWidget(self.splitter)
         MainWindow.setCentralWidget(self.centralWidget)
         self.menuBar = QtWidgets.QMenuBar(MainWindow)
-        self.menuBar.setGeometry(QtCore.QRect(0, 0, 1066, 28))
+        self.menuBar.setGeometry(QtCore.QRect(0, 0, 4095, 28))
         self.menuBar.setLocale(QtCore.QLocale(QtCore.QLocale.English, QtCore.QLocale.UnitedStates))
         self.menuBar.setObjectName("menuBar")
         self.menuFile = QtWidgets.QMenu(self.menuBar)
@@ -251,10 +288,10 @@ class Ui_MainWindow(object):
         self.label_tmin.setBuddy(self.doubleSpinBox_tmin)
         self.label_tmax.setBuddy(self.doubleSpinBox_tmax)
         self.label_dt.setBuddy(self.doubleSpinBox_dt)
-        self.label_cutoff_high.setBuddy(self.doubleSpinBox_upper)
-        self.label_cutoff_low.setBuddy(self.doubleSpinBox_lower)
         self.label_cbar_start.setBuddy(self.doubleSpinBox_cbar_start)
         self.label_cbar_end.setBuddy(self.doubleSpinBox_cbar_end)
+        self.label_cutoff_high.setBuddy(self.doubleSpinBox_upper)
+        self.label_cutoff_low.setBuddy(self.doubleSpinBox_lower)
 
         self.retranslateUi(MainWindow)
         self.tabWidget.setCurrentIndex(-1)
@@ -279,12 +316,6 @@ class Ui_MainWindow(object):
         self.doubleSpinBox_tmax.setSuffix(_translate("MainWindow", " °C"))
         self.label_dt.setText(_translate("MainWindow", "<html><head/><body><p>&Delta;T</p></body></html>"))
         self.doubleSpinBox_dt.setSuffix(_translate("MainWindow", " °C"))
-        self.groupBox_cutoff.setToolTip(_translate("MainWindow", "<html><head/><body><p>Only T<span style=\" vertical-align:sub;\">m</span> values within this limit are considered valid.</p></body></html>"))
-        self.groupBox_cutoff.setTitle(_translate("MainWindow", "&Cutoff"))
-        self.label_cutoff_high.setText(_translate("MainWindow", "&Upper"))
-        self.doubleSpinBox_upper.setSuffix(_translate("MainWindow", " °C"))
-        self.label_cutoff_low.setText(_translate("MainWindow", "Lower"))
-        self.doubleSpinBox_lower.setSuffix(_translate("MainWindow", " °C"))
         self.groupBox_signal_threshold.setToolTip(_translate("MainWindow", "<html><head/><body><p>If the signal exceeds this threshold, the coresponding well is assumed to be denatured.</p></body></html>"))
         self.groupBox_signal_threshold.setTitle(_translate("MainWindow", "Signal &Threshold"))
         self.groupBox_cbar.setToolTip(_translate("MainWindow", "<html><head/><body><p>Defines the range of the colorbar used for the T<span style=\" vertical-align:sub;\">m</span> heatmap.</p></body></html>"))
@@ -293,6 +324,16 @@ class Ui_MainWindow(object):
         self.doubleSpinBox_cbar_start.setSuffix(_translate("MainWindow", " °C"))
         self.label_cbar_end.setText(_translate("MainWindow", "En&d"))
         self.doubleSpinBox_cbar_end.setSuffix(_translate("MainWindow", " °C"))
+        self.groupBox_cutoff.setToolTip(_translate("MainWindow", "<html><head/><body><p>Only T<span style=\" vertical-align:sub;\">m</span> values within this limit are considered valid.</p></body></html>"))
+        self.groupBox_cutoff.setTitle(_translate("MainWindow", "&Cutoff"))
+        self.label_cutoff_high.setText(_translate("MainWindow", "&Upper"))
+        self.doubleSpinBox_upper.setSuffix(_translate("MainWindow", " °C"))
+        self.label_cutoff_low.setText(_translate("MainWindow", "Lower"))
+        self.doubleSpinBox_lower.setSuffix(_translate("MainWindow", " °C"))
+        self.groupBox_output.setTitle(_translate("MainWindow", "Sa&ve processing results"))
+        self.checkBox_saveplots.setText(_translate("MainWindow", "Save plots"))
+        self.lineEdit_output.setToolTip(_translate("MainWindow", "Output results to this path"))
+        self.checkBox_savetables.setText(_translate("MainWindow", "Save tabular results"))
         self.groupBox_results.setTitle(_translate("MainWindow", "Plots"))
         self.menuFile.setTitle(_translate("MainWindow", "Fi&le"))
         self.menuHelp.setTitle(_translate("MainWindow", "Hel&p"))
diff --git a/ui/mainwindow.py b/ui/mainwindow.py
index 3c100b5..72bbbf3 100644
--- a/ui/mainwindow.py
+++ b/ui/mainwindow.py
@@ -5,11 +5,13 @@ Module implementing MainWindow.
 from PyQt5.QtCore import (pyqtSlot, QObject, pyqtSignal, QThreadPool,
                           QRunnable, QCoreApplication)
 from PyQt5.QtWidgets import (QMainWindow, QProgressBar, QDialogButtonBox,
-                             QFileDialog, QMessageBox, QApplication)
+                             QFileDialog, QMessageBox, QApplication,
+                             QTableWidget, QTableWidgetItem)
 
 from .Ui_mainwindow import Ui_MainWindow
 from .mplwidget import MplWidget
 from pydsf import Experiment, PlotResults
+import os
 
 VERSION = "1.0"
 _translate = QCoreApplication.translate
@@ -125,6 +127,8 @@ class MainWindow(QMainWindow, Ui_MainWindow):
         self.tasks = Tasks()
         self.worker = Worker(self)
 
+        self.outputPath = None
+
     @pyqtSlot("QAbstractButton*")
     def on_buttonBox_open_reset_clicked(self, button):
         """
@@ -142,7 +146,12 @@ class MainWindow(QMainWindow, Ui_MainWindow):
         elif button == self.buttonBox_open_reset.button(
                 QDialogButtonBox.Reset):
             self.listWidget_data.clear()
-            self.remove_plate_tabs()
+
+    @pyqtSlot("QAbstractButton*")
+    def on_buttonBox_output_clicked(self, button):
+        if button == self.buttonBox_output.button(QDialogButtonBox.Open):
+            path = QFileDialog.getExistingDirectory(parent=self, caption=_translate('MainWindow', 'Choose output path'), options=QFileDialog.ShowDirsOnly)
+            self.lineEdit_output.setText(path.strip())
 
     @pyqtSlot("QString")
     def on_comboBox_instrument_currentIndexChanged(self, p0):
@@ -155,7 +164,7 @@ class MainWindow(QMainWindow, Ui_MainWindow):
             self.groupBox_temp.setEnabled(False)
 
     def generate_plot_tab(self, name):
-        tab = MplWidget(parent=self)
+        tab = MplWidget(parent=self.tabWidget)
         tab.setObjectName(name)
         return tab
 
@@ -171,26 +180,35 @@ class MainWindow(QMainWindow, Ui_MainWindow):
     def generate_plate_tabs(self, plate):
         plotter = PlotResults()
 
-        if id != 'average':
-            tab = self.generate_plot_tab("tab_heatmap_{}".format(id))
+        if plate.id != 'average':
+            tab = self.generate_plot_tab("tab_heatmap_{}".format(plate.id))
             title = _translate("MainWindow", "Heatmap #")
             self.tabWidget.addTab(tab, title + str(plate.id))
             plotter.plot_tm_heatmap_single(plate, tab)
+            if self.checkBox_saveplots.isChecked():
+                tab.canvas.save("{}/heatmap_{}.svg".format(self.outputPath, plate.id))
 
-            tab = self.generate_plot_tab("tab_raw_{}".format(id))
+            tab = self.generate_plot_tab("tab_raw_{}".format(plate.id))
             title = _translate("MainWindow", "Raw Data #")
             self.tabWidget.addTab(tab, title + str(plate.id))
             plotter.plot_raw(plate, tab)
+            if self.checkBox_saveplots.isChecked():
+                tab.canvas.save("{}/raw_{}.svg".format(self.outputPath, plate.id))
 
-            tab = self.generate_plot_tab("tab_derivative_{}".format(id))
+            tab = self.generate_plot_tab("tab_derivative_{}".format(plate.id))
             title = _translate("MainWindow", "Derivatives #")
             self.tabWidget.addTab(tab, title + str(plate.id))
             plotter.plot_derivative(plate, tab)
+            if self.checkBox_saveplots.isChecked():
+                tab.canvas.save("{}/derivatives_{}.svg".format(self.outputPath, plate.id))
         else:
-            tab = self.generate_plot_tab("tab_heatmap_{}".format(id))
+            tab = self.generate_plot_tab("tab_heatmap_{}".format(plate.id))
             title = _translate("MainWindow", "Heatmap ")
             self.tabWidget.addTab(tab, title + str(plate.id))
             plotter.plot_tm_heatmap_single(plate, tab)
+            if self.checkBox_saveplots.isChecked():
+                tab.canvas.save("{}/heatmap_{}.svg".format(self.outputPath, plate.id))
+
 
     @pyqtSlot()
     def on_buttonBox_process_accepted(self):
@@ -204,6 +222,22 @@ class MainWindow(QMainWindow, Ui_MainWindow):
                 _translate("MainWindow", "No data file loaded!"),
                 QMessageBox.Close, QMessageBox.Close)
             return
+        if self.groupBox_output.isChecked() and self.lineEdit_output.text().strip() == '':
+            QMessageBox.critical(
+                self, _translate("MainWindow", "Error"),
+                _translate("MainWindow", "No output path set!"),
+                QMessageBox.Close, QMessageBox.Close)
+            return
+        elif self.groupBox_output.isChecked() and self.lineEdit_output.text().strip() != '':
+            path = self.lineEdit_output.text().strip()
+            if os.path.isdir(path):
+                self.outputPath = self.lineEdit_output.text().strip()
+            else:
+                QMessageBox.critical(
+                    self, _translate("MainWindow", "Error"),
+                    _translate("MainWindow", "Output path does not exist!"),
+                    QMessageBox.Close, QMessageBox.Close)
+
         if self.spinBox_signal_threshold.value(
         ) == 0 and self.groupBox_signal_threshold.isChecked():
             QMessageBox.warning(
@@ -213,6 +247,7 @@ class MainWindow(QMainWindow, Ui_MainWindow):
                     "Signal threshold is currently set to zero."),
                 QMessageBox.Ok, QMessageBox.Ok)
 
+        self.remove_plate_tabs()
         self.progressBar.setEnabled(True)
         self.statusBar.showMessage(_translate("MainWindow", "Processing..."))
 
@@ -225,32 +260,6 @@ class MainWindow(QMainWindow, Ui_MainWindow):
         # For now, only read the first entry
         exp = self.tasks.data[0]
 
-        save_data = QMessageBox.question(
-            self, _translate("MainWindow", "Save data"),
-            _translate(
-                "MainWindow", "Calculations are finished. Save results?"),
-            QMessageBox.Yes | QMessageBox.No, QMessageBox.Yes)
-        if save_data == QMessageBox.Yes:
-            dialog = QFileDialog()
-            dialog.setFileMode(QFileDialog.Directory)
-            folder = dialog.getExistingDirectory(
-                self, _translate("MainWindow", "Choose path for results"))
-            for plate in exp.plates:
-                plate.write_tm_table(
-                    '{}/plate_{}_04_tm.csv'.format(folder, str(plate.id)))
-                plate.write_derivative_table(
-                    '{}/plate_{}_03_dI_dT.csv'.format(folder, str(plate.id)))
-                plate.write_filtered_table(
-                    '{}/plate_{}_02_filtered_data.csv'.format(folder,
-                                                              str(plate.id)))
-                plate.write_raw_table('{}/plate_{}_01_raw_data.csv'.format(
-                    folder, str(plate.id)))
-
-            if exp.avg_plate:
-                exp.avg_plate.write_avg_tm_table(
-                    '{}/plate_{}_05_tm_avg.csv'.format(
-                        folder, str(self.worker.exp.avg_plate.id)))
-
         for i in range(len(self.worker.exp.plates)):
 
             plate = exp.plates[i]
@@ -261,6 +270,24 @@ class MainWindow(QMainWindow, Ui_MainWindow):
             plate = exp.avg_plate
             self.generate_plate_tabs(plate)
 
+        if self.groupBox_output.isChecked():
+            if self.checkBox_savetables.isChecked():
+                for plate in exp.plates:
+                    plate.write_tm_table(
+                        '{}/plate_{}_tm.csv'.format(self.outputPath, str(plate.id)))
+                    plate.write_data_table(
+                        '{}/plate_{}_dI_dT.csv'.format(self.outputPath, str(plate.id)), dataType='derivative')
+                    plate.write_data_table(
+                        '{}/plate_{}_filtered_data.csv'.format(self.outputPath,
+                                                                  str(plate.id)), dataType='filtered')
+                    plate.write_data_table('{}/plate_{}_raw_data.csv'.format(
+                        self.outputPath, str(plate.id)))
+
+                if exp.avg_plate:
+                    exp.avg_plate.write_tm_table(
+                        '{}/plate_{}_tm_avg.csv'.format(
+                            self.outputPath, str(self.worker.exp.avg_plate.id)), avg=True)
+
         self.progressBar.setEnabled(False)
         self.statusBar.showMessage(_translate("MainWindow", "Finished!"))
 
diff --git a/ui/mainwindow.ui b/ui/mainwindow.ui
index e1d92eb..c2a4596 100644
--- a/ui/mainwindow.ui
+++ b/ui/mainwindow.ui
@@ -6,10 +6,16 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>1066</width>
-    <height>795</height>
+    <width>4095</width>
+    <height>4095</height>
    </rect>
   </property>
+  <property name="sizePolicy">
+   <sizepolicy hsizetype="Preferred" vsizetype="Preferred">
+    <horstretch>0</horstretch>
+    <verstretch>0</verstretch>
+   </sizepolicy>
+  </property>
   <property name="windowTitle">
    <string>PyDSF</string>
   </property>
@@ -291,82 +297,6 @@
              </layout>
             </widget>
            </item>
-           <item row="0" column="1">
-            <widget class="QGroupBox" name="groupBox_cutoff">
-             <property name="enabled">
-              <bool>true</bool>
-             </property>
-             <property name="toolTip">
-              <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Only T&lt;span style=&quot; vertical-align:sub;&quot;&gt;m&lt;/span&gt; values within this limit are considered valid.&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
-             </property>
-             <property name="title">
-              <string>&amp;Cutoff</string>
-             </property>
-             <property name="alignment">
-              <set>Qt::AlignLeading|Qt::AlignLeft|Qt::AlignVCenter</set>
-             </property>
-             <property name="checkable">
-              <bool>true</bool>
-             </property>
-             <property name="checked">
-              <bool>false</bool>
-             </property>
-             <layout class="QFormLayout" name="formLayout_2">
-              <property name="fieldGrowthPolicy">
-               <enum>QFormLayout::ExpandingFieldsGrow</enum>
-              </property>
-              <property name="labelAlignment">
-               <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
-              </property>
-              <property name="formAlignment">
-               <set>Qt::AlignLeading|Qt::AlignLeft|Qt::AlignTop</set>
-              </property>
-              <item row="0" column="0">
-               <widget class="QLabel" name="label_cutoff_high">
-                <property name="text">
-                 <string>&amp;Upper</string>
-                </property>
-                <property name="buddy">
-                 <cstring>doubleSpinBox_upper</cstring>
-                </property>
-               </widget>
-              </item>
-              <item row="0" column="1">
-               <widget class="QDoubleSpinBox" name="doubleSpinBox_upper">
-                <property name="prefix">
-                 <string/>
-                </property>
-                <property name="suffix">
-                 <string> °C</string>
-                </property>
-                <property name="decimals">
-                 <number>1</number>
-                </property>
-               </widget>
-              </item>
-              <item row="1" column="0">
-               <widget class="QLabel" name="label_cutoff_low">
-                <property name="text">
-                 <string>Lower</string>
-                </property>
-                <property name="buddy">
-                 <cstring>doubleSpinBox_lower</cstring>
-                </property>
-               </widget>
-              </item>
-              <item row="1" column="1">
-               <widget class="QDoubleSpinBox" name="doubleSpinBox_lower">
-                <property name="suffix">
-                 <string> °C</string>
-                </property>
-                <property name="decimals">
-                 <number>1</number>
-                </property>
-               </widget>
-              </item>
-             </layout>
-            </widget>
-           </item>
            <item row="1" column="0">
             <widget class="QGroupBox" name="groupBox_signal_threshold">
              <property name="enabled">
@@ -459,11 +389,151 @@
              </layout>
             </widget>
            </item>
+           <item row="0" column="1">
+            <widget class="QGroupBox" name="groupBox_cutoff">
+             <property name="enabled">
+              <bool>true</bool>
+             </property>
+             <property name="toolTip">
+              <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Only T&lt;span style=&quot; vertical-align:sub;&quot;&gt;m&lt;/span&gt; values within this limit are considered valid.&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+             </property>
+             <property name="title">
+              <string>&amp;Cutoff</string>
+             </property>
+             <property name="alignment">
+              <set>Qt::AlignLeading|Qt::AlignLeft|Qt::AlignVCenter</set>
+             </property>
+             <property name="checkable">
+              <bool>true</bool>
+             </property>
+             <property name="checked">
+              <bool>false</bool>
+             </property>
+             <layout class="QFormLayout" name="formLayout_2">
+              <property name="fieldGrowthPolicy">
+               <enum>QFormLayout::ExpandingFieldsGrow</enum>
+              </property>
+              <property name="labelAlignment">
+               <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
+              </property>
+              <property name="formAlignment">
+               <set>Qt::AlignLeading|Qt::AlignLeft|Qt::AlignTop</set>
+              </property>
+              <item row="0" column="0">
+               <widget class="QLabel" name="label_cutoff_high">
+                <property name="text">
+                 <string>&amp;Upper</string>
+                </property>
+                <property name="buddy">
+                 <cstring>doubleSpinBox_upper</cstring>
+                </property>
+               </widget>
+              </item>
+              <item row="0" column="1">
+               <widget class="QDoubleSpinBox" name="doubleSpinBox_upper">
+                <property name="prefix">
+                 <string/>
+                </property>
+                <property name="suffix">
+                 <string> °C</string>
+                </property>
+                <property name="decimals">
+                 <number>1</number>
+                </property>
+               </widget>
+              </item>
+              <item row="1" column="0">
+               <widget class="QLabel" name="label_cutoff_low">
+                <property name="text">
+                 <string>Lower</string>
+                </property>
+                <property name="buddy">
+                 <cstring>doubleSpinBox_lower</cstring>
+                </property>
+               </widget>
+              </item>
+              <item row="1" column="1">
+               <widget class="QDoubleSpinBox" name="doubleSpinBox_lower">
+                <property name="suffix">
+                 <string> °C</string>
+                </property>
+                <property name="decimals">
+                 <number>1</number>
+                </property>
+               </widget>
+              </item>
+             </layout>
+            </widget>
+           </item>
+           <item row="2" column="0" colspan="2">
+            <widget class="QGroupBox" name="groupBox_output">
+             <property name="title">
+              <string>Sa&amp;ve processing results</string>
+             </property>
+             <property name="checkable">
+              <bool>true</bool>
+             </property>
+             <property name="checked">
+              <bool>false</bool>
+             </property>
+             <layout class="QGridLayout" name="gridLayout_2">
+              <item row="0" column="0">
+               <widget class="QCheckBox" name="checkBox_saveplots">
+                <property name="text">
+                 <string>Save plots</string>
+                </property>
+               </widget>
+              </item>
+              <item row="2" column="1">
+               <widget class="QDialogButtonBox" name="buttonBox_output">
+                <property name="sizePolicy">
+                 <sizepolicy hsizetype="MinimumExpanding" vsizetype="Fixed">
+                  <horstretch>0</horstretch>
+                  <verstretch>0</verstretch>
+                 </sizepolicy>
+                </property>
+                <property name="orientation">
+                 <enum>Qt::Vertical</enum>
+                </property>
+                <property name="standardButtons">
+                 <set>QDialogButtonBox::Open</set>
+                </property>
+               </widget>
+              </item>
+              <item row="2" column="0">
+               <widget class="QLineEdit" name="lineEdit_output">
+                <property name="toolTip">
+                 <string>Output results to this path</string>
+                </property>
+               </widget>
+              </item>
+              <item row="1" column="0">
+               <widget class="QCheckBox" name="checkBox_savetables">
+                <property name="text">
+                 <string>Save tabular results</string>
+                </property>
+               </widget>
+              </item>
+             </layout>
+            </widget>
+           </item>
           </layout>
          </widget>
         </item>
         <item row="3" column="1">
          <widget class="QDialogButtonBox" name="buttonBox_process">
+          <property name="sizePolicy">
+           <sizepolicy hsizetype="Expanding" vsizetype="Expanding">
+            <horstretch>0</horstretch>
+            <verstretch>0</verstretch>
+           </sizepolicy>
+          </property>
+          <property name="minimumSize">
+           <size>
+            <width>0</width>
+            <height>0</height>
+           </size>
+          </property>
           <property name="standardButtons">
            <set>QDialogButtonBox::NoButton</set>
           </property>
@@ -530,7 +600,7 @@
     <rect>
      <x>0</x>
      <y>0</y>
-     <width>1066</width>
+     <width>4095</width>
      <height>28</height>
     </rect>
    </property>
diff --git a/ui/mplwidget.py b/ui/mplwidget.py
index a4e4af1..b90694f 100644
--- a/ui/mplwidget.py
+++ b/ui/mplwidget.py
@@ -28,6 +28,15 @@ class MplCanvas(FigureCanvas):
         self.ax.clear()
         self.fig.clear()
 
+    def save(self, filename):
+        try:
+            self.fig.savefig(filename, dpi=300)
+        except IOError:
+            QtWidgets.QMessageBox.critical(
+                self, _translate("MainWindow", "Error"),
+                _translate("MainWindow", "Error saving figure! Please check permissions/free space of target path!"),
+                QtWidgets.QMessageBox.Close, QtWidgets.QMessageBox.Close)
+
 
 class CustomNavigationToolbar(NavigationToolbar):
     toolitems = (