diff --git a/trick_source/data_products/Apps/trkConvert/DocWindow.cpp b/trick_source/data_products/Apps/trkConvert/DocWindow.cpp
new file mode 100644
index 00000000..79d123bb
--- /dev/null
+++ b/trick_source/data_products/Apps/trkConvert/DocWindow.cpp
@@ -0,0 +1,111 @@
+#include <QAction>
+#include <QFileDialog>
+#include <QMenuBar>
+#include <QPushButton>
+#include <QVBoxLayout>
+#include <QWidget>
+#include <iostream>
+
+#include <QTextStream>
+
+#include "DocWindow.h"
+#include "VarTableWidget.h"
+#include "CSV_Formatter.hh"
+
+DocWindow::DocWindow(const QString &name)
+    : QMainWindow( 0, 0) {
+
+  trkFileName = name;
+
+  // Build the Menus
+  QAction * fileLoadAction = new QAction( "&Open File...", this );
+  fileLoadAction->setShortcut(tr("CTRL+O"));
+  connect( fileLoadAction, &QAction::triggered , this, &DocWindow::load );
+
+  QAction * fileSaveAction = new QAction( "&Export as CSV...", this );
+  connect( fileSaveAction, &QAction::triggered, this, &DocWindow::saveAsCSV );
+
+  QMenu *fileMenu = menuBar()->addMenu("&File");
+
+  fileMenu->addAction(fileLoadAction);
+  fileMenu->addSeparator();
+  fileMenu->addAction(fileSaveAction);
+
+  QAction * editSelectAction = new QAction( "&Select All", this );
+  editSelectAction->setShortcut(tr("CTRL+A"));
+  connect( editSelectAction, &QAction::triggered, this, &DocWindow::checkAll );
+
+  QAction * editClearAction = new QAction( "&Clear All", this );
+  connect( editClearAction, &QAction::triggered, this, &DocWindow::unCheckAll );
+
+  QMenu *editMenu = menuBar()->addMenu("&Edit");
+
+  editMenu->addAction(editSelectAction);
+  editMenu->addAction(editClearAction);
+
+
+  // Build the Table Widget that displays the variable names, types, and units.
+  varTable = new VarTableWidget(this);
+
+  datalog = new TRK_DataLog( trkFileName.toStdString().c_str() );
+  int recordCount = datalog->parameterCount();
+  for (int ii = 0; ii < recordCount; ii++) {
+      varTable->addRecord( Qt::Checked, 
+                           datalog->parameterName(ii),
+                           datalog->parameterType(ii),
+                           datalog->parameterUnits(ii));
+  }
+
+  setCentralWidget(varTable);
+}
+
+void DocWindow::load() {
+
+    QString newFileName; 
+
+    newFileName = QFileDialog::getOpenFileName(this,
+    tr("Open Data File"), ".", tr("Data Files (*.trk)"));
+
+    if (!newFileName.isEmpty()) {
+        DocWindow* w = new DocWindow(newFileName);
+        w->setWindowTitle(newFileName);
+        w->resize(800, 500);
+        w->show();
+    }
+}
+
+void DocWindow::saveAsCSV() {
+     
+    QTextStream out(stdout);
+
+    CSV_Formatter csv_formatter;
+
+    QFileInfo trkFileInfo( trkFileName);
+
+    QString csvFileName = trkFileInfo.canonicalPath();
+    csvFileName += "/";
+    csvFileName += trkFileInfo.completeBaseName();
+    csvFileName += csv_formatter.extension();
+    out << "csvFileName = \"" << csvFileName << "\"" << endl;
+
+    int count = varTable->recordCount();
+    for (int index=0 ; index<count ; index++) {
+        if (varTable->isChecked(index)) {
+            datalog->selectParameter(index);
+        }
+    }
+
+    FILE *fp;
+    if (( fp = fopen(csvFileName.toStdString().c_str(), "w") ) != NULL) {
+        datalog->formattedWrite(fp, &csv_formatter);
+    }
+
+}
+
+void DocWindow::checkAll() {
+    varTable->checkAll();
+}
+
+void DocWindow::unCheckAll() {
+    varTable->unCheckAll();
+}
diff --git a/trick_source/data_products/Apps/trkConvert/DocWindow.h b/trick_source/data_products/Apps/trkConvert/DocWindow.h
new file mode 100644
index 00000000..c539da5b
--- /dev/null
+++ b/trick_source/data_products/Apps/trkConvert/DocWindow.h
@@ -0,0 +1,28 @@
+#ifndef DOC_WINDOW
+#define DOC_WINDOW
+
+#include <QMainWindow>
+#include "VarTableWidget.h"
+#include "TRK_DataLog.hh"
+
+class DocWindow : public QMainWindow {
+
+  Q_OBJECT
+
+  public:
+    DocWindow(const QString &name);
+    ~DocWindow(){};
+
+  private slots:
+      void load();
+      void saveAsCSV();
+      void checkAll();
+      void unCheckAll();
+
+  private:
+    QString trkFileName;
+    VarTableWidget* varTable;
+    TRK_DataLog* datalog;
+};
+
+#endif
diff --git a/trick_source/data_products/Apps/trkConvert/TRK_DataLog.cpp b/trick_source/data_products/Apps/trkConvert/TRK_DataLog.cpp
index a2e00782..86509ee2 100644
--- a/trick_source/data_products/Apps/trkConvert/TRK_DataLog.cpp
+++ b/trick_source/data_products/Apps/trkConvert/TRK_DataLog.cpp
@@ -183,9 +183,10 @@ void TRK_DataLog::formattedWrite(FILE* out_fp, LogFormatter* formatter) {
     formatter->writeHeader(out_fp, version, endianness);
     formatter->writeColumnLabel(out_fp, paramDescriptions[0]->parameterName, paramDescriptions[0]->unitsName); 
     for (int ii = 1; ii < (int)N_params ; ii++) {
-        if (paramSelected[ii])
+        if (paramSelected[ii]) {
             formatter->writeColumnLabelSeparator(out_fp);
             formatter->writeColumnLabel(out_fp, paramDescriptions[ii]->parameterName, paramDescriptions[ii]->unitsName); 
+        }
     }
 
     if ( fsetpos(in_fp, &dataPosition) != 0 ) {
diff --git a/trick_source/data_products/Apps/trkConvert/VarTableWidget.cpp b/trick_source/data_products/Apps/trkConvert/VarTableWidget.cpp
new file mode 100644
index 00000000..f5a3eb80
--- /dev/null
+++ b/trick_source/data_products/Apps/trkConvert/VarTableWidget.cpp
@@ -0,0 +1,90 @@
+#include <QTableWidgetItem>
+#include "VarTableWidget.h"
+
+VarTableWidget::VarTableWidget (QWidget* parent)
+  : QTableWidget(parent) {
+
+  setRowCount(0);
+  setColumnCount(4);
+
+  QStringList strList;
+  strList << "" << "Name" << "Type" << "Units";
+  setHorizontalHeaderLabels( strList);
+
+  setColumnWidth(0,25);
+  setColumnWidth(1,200);
+  setColumnWidth(2,80);
+  setColumnWidth(3,80);
+
+  setShowGrid(false);
+}
+
+void VarTableWidget::addRecord( Qt::CheckState checkState, 
+                                std::string nameStr,
+                                std::string typeStr,
+                                std::string unitsStr ) {
+
+// Consider cloning prototype items, as in this example:
+// https://stackoverflow.com/questions/15827886/set-default-alignment-for-cells-in-qtablewidget
+
+    int row = rowCount();
+    insertRow(row);
+
+    Qt::ItemFlags flags;
+
+    QTableWidgetItem * const selectItem = new QTableWidgetItem; 
+    flags = selectItem->flags();
+    flags &= ~Qt::ItemIsSelectable & ~Qt::ItemIsEditable;
+    if (row != 0)     // FIXME: This doesn't seem to work as expected. Row 0 still seems to be user editable.
+        flags |= Qt::ItemIsUserCheckable;
+    selectItem->setFlags(flags);
+    selectItem->setCheckState(checkState);
+    setItem(row, 0, selectItem);
+
+    QTableWidgetItem * const nameItem   = new QTableWidgetItem; 
+    flags = nameItem->flags();
+    flags &= ~Qt::ItemIsSelectable & ~Qt::ItemIsEditable;
+    nameItem->setFlags(flags);
+    nameItem->setText(nameStr.c_str());
+    setItem(row, 1, nameItem);
+ 
+    QTableWidgetItem * const typeItem   = new QTableWidgetItem; 
+    flags = typeItem->flags();
+    flags &= ~Qt::ItemIsSelectable & ~Qt::ItemIsEditable;
+    typeItem->setFlags(flags);
+    typeItem->setTextAlignment(Qt::AlignCenter);
+    typeItem->setText(typeStr.c_str());
+    setItem(row, 2, typeItem);
+
+    QTableWidgetItem * const unitsItem  = new QTableWidgetItem; 
+    flags = unitsItem->flags();
+    flags &= ~Qt::ItemIsSelectable & ~Qt::ItemIsEditable;
+    unitsItem->setFlags(flags);
+    unitsItem->setTextAlignment(Qt::AlignCenter);
+    unitsItem->setText(unitsStr.c_str());
+    setItem(row, 3, unitsItem);
+
+}
+
+bool VarTableWidget::isChecked(int index) {
+    return (item(index, 0)->checkState() == Qt::Checked) ? true : false;
+}
+
+int VarTableWidget::recordCount() {
+    return rowCount();
+}
+
+void VarTableWidget::checkAll() {
+    int num_rows = rowCount();
+    for (int i=0; i<num_rows; i++) {
+        item(i,0)->setCheckState(Qt::Checked);
+    }
+}
+
+void VarTableWidget::unCheckAll() {
+    int num_rows = rowCount();
+    // Note that we don't clear sys.exec.out.time
+    for (int i=1; i<num_rows; i++) {
+        item(i,0)->setCheckState(Qt::Unchecked);
+    }
+}
diff --git a/trick_source/data_products/Apps/trkConvert/VarTableWidget.h b/trick_source/data_products/Apps/trkConvert/VarTableWidget.h
new file mode 100644
index 00000000..13dbcdac
--- /dev/null
+++ b/trick_source/data_products/Apps/trkConvert/VarTableWidget.h
@@ -0,0 +1,22 @@
+#ifndef VARIABLE_TABLE_WIDGET_H
+#define VARIABLE_TABLE_WIDGET_H
+
+#include <string>
+#include <QTableWidget> // widgets
+
+class VarTableWidget : public QTableWidget {
+    Q_OBJECT
+
+    public:
+    // Constructors
+    VarTableWidget(QWidget* parent = 0);
+
+    void addRecord( Qt::CheckState checkState, std::string name, std::string type, std::string units );  
+    bool isChecked(int index);
+    int recordCount();
+
+    public slots:
+    void checkAll();
+    void unCheckAll();
+};
+#endif
diff --git a/trick_source/data_products/Apps/trkConvert/main.cpp b/trick_source/data_products/Apps/trkConvert/main.cpp
new file mode 100644
index 00000000..f999f364
--- /dev/null
+++ b/trick_source/data_products/Apps/trkConvert/main.cpp
@@ -0,0 +1,99 @@
+#include <QApplication>
+#include <QListView>
+#include <QMenu>
+#include <QMenuBar>
+#include <QFileDialog>
+#include "DocWindow.h"
+#include <QTextStream>
+#include <QFileInfo>
+
+#include <stdio.h>
+static const char *usage_doc[] = {
+"----------------------------------------------------------------------------",
+" trkConvert -                                                               ",
+"                                                                            ",
+" USAGE:  trkConvert -help                                                   ",
+"         trkConvert [-csv|-varlist] [-o <outfile>] <trk_file_name>          ",
+" Options:                                                                   ",
+"     -help                Print this message and exit.                      ",
+"     -csv  (the default)  Generates a comma-separated value (CSV) file from ",
+"                          a Trick binary data file. CSV files are a common  ",
+"                          means of sharing data between applications.       ",
+"     -varlist             Generates a list of the names of the variables    ",
+"                          the are recorded in the  Trick binary data file.  ",
+"----------------------------------------------------------------------------"};
+#define N_USAGE_LINES (sizeof(usage_doc)/sizeof(usage_doc[0]))
+
+void print_doc(char *doc[], int nlines) {
+    int i;
+    for (i=0; i < nlines; i++) {
+        printf("%s\n",doc[i]);
+    }
+    fflush(stdout);
+}
+
+void usage() {
+    print_doc((char **)usage_doc,N_USAGE_LINES);
+}
+
+int main(int argc, char *argv[]) {
+
+    QTextStream out(stdout);
+
+    QApplication app(argc, argv);
+
+    QStringList args = app.arguments(); 
+
+    QString programName = args.at(0);
+    QString trkFilePath;
+    QString outputName;
+
+    int i = 1;
+    QString arg;
+    while (i < argc) {
+        arg = args.at(i);
+        if ( (QString::compare(arg, "-help") == 0) |
+             (QString::compare(arg, "--help") == 0) ) {
+            usage();
+            exit(0);
+        } else if ((QString::compare(arg, "-csv") == 0)) {
+            out << "CSV selected." << endl;
+        } else if ((QString::compare(arg, "-varlist") == 0)) {
+            out << "Varlist selected." << endl;
+        } else if ((QString::compare(arg, "-o") == 0)) {
+            i++;
+            if (i < argc) { 
+                arg = args.at(i);
+                outputName = arg;
+            } else {
+                out << programName << ": -o option requires a filename." << endl;
+                usage(); 
+                exit(1);
+            }
+        } else if ((QString::compare(arg.right(4), ".trk") == 0)) {
+            trkFilePath = arg;
+        } else {
+            out << programName << ": Invalid argument \"" << arg << "\"." << endl;
+            usage(); 
+            exit(1);
+        }
+        i++;
+    }
+
+    // If a .trk file has been specified
+    if (trkFilePath.isEmpty()) {
+        trkFilePath = QFileDialog::getOpenFileName(0, "Open Data File", ".", "Data Files (*.trk)");
+    }
+
+    if (!trkFilePath.isEmpty()) {
+        QFileInfo trkFileInfo( trkFilePath);
+
+        DocWindow* w1 = new DocWindow( trkFileInfo.absoluteFilePath()); 
+        w1->setWindowTitle( trkFileInfo.fileName());
+        w1->resize(800, 500);
+        w1->show();
+
+        return app.exec();
+
+    }
+}
diff --git a/trick_source/data_products/Apps/trkConvert/makefile b/trick_source/data_products/Apps/trkConvert/makefile
deleted file mode 100644
index 7decf266..00000000
--- a/trick_source/data_products/Apps/trkConvert/makefile
+++ /dev/null
@@ -1,26 +0,0 @@
-CPP      = g++
-CC       = gcc
-
-CXXFLAGS = 
-
-MAIN     = trkConvert
-
-OBJECTS = CSV_Formatter.o Varlist_Formatter.o ParamDescription.o TRK_DataLog.o trkConvert.o
-
-.c.o:
-	${CC} ${CFLAGS} ${INCDIRS} -c $<
-
-.cpp.o:
-	${CPP} ${CFLAGS} ${INCDIRS} -c $<
-
-all: install
-
-trkConvert: $(OBJECTS)
-	$(CPP) -o trkConvert $(OBJECTS) 
-
-install: trkConvert
-	cp trkConvert $${TRICK_HOME}/bin/trick-trkConvert
-
-clean:
-	rm -f *.o
-	rm -f trkConvert
diff --git a/trick_source/data_products/Apps/trkConvert/trkConvert.cpp b/trick_source/data_products/Apps/trkConvert/trkConvert.cpp
deleted file mode 100644
index 4b191d6c..00000000
--- a/trick_source/data_products/Apps/trkConvert/trkConvert.cpp
+++ /dev/null
@@ -1,124 +0,0 @@
-#include <stdio.h>
-#include <iostream>
-#include <string>
-#include "LogFormatter.hh"
-#include "CSV_Formatter.hh"
-#include "Varlist_Formatter.hh"
-#include "TRK_DataLog.hh"
-
-static const char *usage_doc[] = {
-"----------------------------------------------------------------------------",
-" trkConvert -                                                               ",
-"                                                                            ",
-" USAGE:  trkConvert -help                                                   ",
-"         trkConvert [-csv|-varlist] [-o <outfile>] <trk_file_name>          ",
-" Options:                                                                   ",
-"     -help                Print this message and exit.                      ",
-"     -csv  (the default)  Generates a comma-separated value (CSV) file from ",
-"                          a Trick binary data file. CSV files are a common  ",
-"                          means of sharing data between applications.       ",
-"     -varlist             Generates a list of the names of the variables    ",
-"                          the are recorded in the  Trick binary data file.  ",
-"----------------------------------------------------------------------------"};
-#define N_USAGE_LINES (sizeof(usage_doc)/sizeof(usage_doc[0]))
-
-void print_doc(char *doc[], int nlines) {
-    int i;
-    for (i=0; i < nlines; i++) {
-        std::cerr << doc[i] << '\n';
-    }
-    std::cerr.flush();
-}
-
-void usage() {
-    print_doc((char **)usage_doc,N_USAGE_LINES);
-}
-
-int main(int argc, char* argv[]) {
-
-    std::string programName = argv[0];
-    std::string trkFilePath;
-    std::string trkBaseName;
-    std::string outputName;
-    FILE *fp;
-
-    CSV_Formatter csv_formatter;
-    LogFormatter* logFormatter = &csv_formatter; // default formatter.
-    Varlist_Formatter varlist_formatter;
-
-    if (argc <= 1 ) {
-        std::cerr << programName << ": No arguments were supplied.\n";
-        std::cerr.flush();
-        usage();
-        exit(1);
-    } else {
-        int i = 1;
-        std::string arg;
-        while ( i < argc ) {
-            arg = argv[i];
-
-            if (arg.find("-") == 0) {
-                if (arg == "-help" | arg == "--help" ) {
-                    usage();
-                    exit(0);
-                } else if (arg == "-csv") {
-                   logFormatter = &csv_formatter;
-                } else if (arg == "-varlist") {
-                   logFormatter = &varlist_formatter;
-                } else if (arg == "-o") {
-                    i++;
-                    if (i<argc) {
-                       arg = argv[i];
-                       outputName = arg;
-                    } else {
-                        std::cerr << programName << ": -o option requires a filename." << std::endl;
-                        usage();
-                        exit(1);
-                    }
-                } else {
-                    std::cerr << programName << ": Invalid option \"" << arg << "\"." << std::endl;
-                    usage();
-                    exit(1);
-                }
-            } else if (arg.substr(arg.find_last_of(".")) == ".trk") {
-                size_t pos;
-                std::string trkFileName;
-                trkFilePath = arg;
-                if ((pos = trkFilePath.find_last_of("/")) != std::string::npos) {
-                    trkFileName = trkFilePath.substr(pos+1);
-                } else {
-                    trkFileName = trkFilePath;
-                }
-                trkBaseName = trkFileName.substr(0, trkFileName.length()-4);
-            } else {
-                std::cerr << programName << ": Invalid argument \"" << arg << "\"." << std::endl;
-                usage();
-                exit(1);
-            }
-            i++;
-        }
-    }
-
-    if (trkFilePath.empty()) {
-        std::cerr << programName << ": Missing .trk filename." << std::endl;
-        usage();
-        exit(1);
-    }
-
-    if (outputName.empty()) {
-
-        outputName = trkBaseName + logFormatter->extension();
-    }
-
-    std::cout << programName << ": Input  = \"" << trkFilePath << "\"." << std::endl;
-    std::cout << programName << ": Output = \"" << outputName << "\"." << std::endl;
-
-    TRK_DataLog* datalog = new TRK_DataLog(trkFilePath.c_str());
-    datalog->selectAllParameters();
-
-    if (( fp = fopen(outputName.c_str(), "w") ) != NULL) {
-        datalog->formattedWrite(fp, logFormatter);
-        return 0;
-    }
-    return 1;
-}
diff --git a/trick_source/data_products/Apps/trkConvert/trkConvert.pro b/trick_source/data_products/Apps/trkConvert/trkConvert.pro
new file mode 100644
index 00000000..d539c350
--- /dev/null
+++ b/trick_source/data_products/Apps/trkConvert/trkConvert.pro
@@ -0,0 +1,35 @@
+######################################################################
+# Automatically generated by qmake (3.1) Wed Jun 27 14:55:58 2018
+######################################################################
+
+TEMPLATE = app
+TARGET = trkConvert
+INCLUDEPATH += .
+
+# The following define makes your compiler warn you if you use any
+# feature of Qt which has been marked as deprecated (the exact warnings
+# depend on your compiler). Please consult the documentation of the
+# deprecated API in order to know how to port your code away from it.
+DEFINES += QT_DEPRECATED_WARNINGS
+
+# You can also make your code fail to compile if you use deprecated APIs.
+# In order to do so, uncomment the following line.
+# You can also select to disable deprecated APIs only up to a certain version of Qt.
+#DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000    # disables all the APIs deprecated before Qt 6.0.0
+
+# Input
+HEADERS += CSV_Formatter.hh \
+           DocWindow.h \
+           LogFormatter.hh \
+           ParamDescription.hh \
+           TRK_DataLog.hh \
+           Varlist_Formatter.hh \
+           VarTableWidget.h
+SOURCES += CSV_Formatter.cpp \
+           DocWindow.cpp \
+           main.cpp \
+           ParamDescription.cpp \
+           TRK_DataLog.cpp \
+           Varlist_Formatter.cpp \
+           VarTableWidget.cpp
+QT += widgets
diff --git a/trick_source/data_products/makefile b/trick_source/data_products/makefile
index 85b39c45..f9514b33 100644
--- a/trick_source/data_products/makefile
+++ b/trick_source/data_products/makefile
@@ -18,7 +18,6 @@ LIBDIRS += fermi-ware
 endif
 
 APPDIRS = DPX \
-    Apps/trkConvert \
     Apps/Trk2csv \
     Apps/ExternalPrograms