diff --git a/framefileio.cpp b/framefileio.cpp
index b58adab..986523c 100644
--- a/framefileio.cpp
+++ b/framefileio.cpp
@@ -1,5 +1,7 @@
 #include "framefileio.h"
 
+#include <QProgressDialog>
+
 FrameFileIO::FrameFileIO()
 {
 
@@ -26,11 +28,24 @@ QString FrameFileIO::loadFrameFile(QVector<CANFrame>* frameCache)
     {
         filename = dialog.selectedFiles()[0];
 
+        QProgressDialog progress(qApp->activeWindow());
+        progress.setWindowModality(Qt::WindowModal);
+        progress.setLabelText("Loading file...");
+        progress.setCancelButton(0);
+        progress.setRange(0,0);
+        progress.setMinimumDuration(0);
+        progress.show();
+
+        qApp->processEvents();
+
         if (dialog.selectedNameFilter() == filters[0]) result = loadCRTDFile(filename, frameCache);
         if (dialog.selectedNameFilter() == filters[1]) result = loadNativeCSVFile(filename, frameCache);
         if (dialog.selectedNameFilter() == filters[2]) result = loadGenericCSVFile(filename, frameCache);
         if (dialog.selectedNameFilter() == filters[3]) result = loadLogFile(filename, frameCache);
         if (dialog.selectedNameFilter() == filters[4]) result = loadMicrochipFile(filename, frameCache);
+
+        progress.cancel();
+
         if (result)
         {
             QStringList fileList = filename.split('/');
diff --git a/mainwindow.cpp b/mainwindow.cpp
index b51ba38..06cd71b 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -500,6 +500,17 @@ void MainWindow::handleSaveFile()
     {
         const QVector<CANFrame> *frames = model->getListReference();        
         filename = dialog.selectedFiles()[0];
+
+        QProgressDialog progress(this);
+        progress.setWindowModality(Qt::WindowModal);
+        progress.setLabelText("Saving file...");
+        progress.setCancelButton(0);
+        progress.setRange(0,0);
+        progress.setMinimumDuration(0);
+        progress.show();
+
+        qApp->processEvents();
+
         if (dialog.selectedNameFilter() == filters[0])
         {
             result = FrameFileIO::saveCRTDFile(filename, frames);
@@ -520,6 +531,9 @@ void MainWindow::handleSaveFile()
         {
             result = FrameFileIO::saveMicrochipFile(filename, frames);
         }
+
+        progress.cancel();
+
         if (result)
         {
             QStringList fileList = filename.split('/');
@@ -551,11 +565,25 @@ void MainWindow::handleSaveFilteredFile()
     {
         const QVector<CANFrame> *frames = model->getFilteredListReference();
         filename = dialog.selectedFiles()[0];
+
+        QProgressDialog progress(this);
+        progress.setWindowModality(Qt::WindowModal);
+        progress.setLabelText("Saving filtered file...");
+        progress.setCancelButton(0);
+        progress.setRange(0,0);
+        progress.setMinimumDuration(0);
+        progress.show();
+
+        qApp->processEvents();
+
         if (dialog.selectedNameFilter() == filters[0]) result = FrameFileIO::saveCRTDFile(filename, frames);
         if (dialog.selectedNameFilter() == filters[1]) result = FrameFileIO::saveNativeCSVFile(filename, frames);
         if (dialog.selectedNameFilter() == filters[2]) result = FrameFileIO::saveGenericCSVFile(filename, frames);
         if (dialog.selectedNameFilter() == filters[3]) result = FrameFileIO::saveLogFile(filename, frames);
         if (dialog.selectedNameFilter() == filters[4]) result = FrameFileIO::saveMicrochipFile(filename, frames);
+
+        progress.cancel();
+
         if (result)
         {
             QStringList fileList = filename.split('/');