diff --git a/app.py b/app.py
index d5245b4..e23c4e6 100644
--- a/app.py
+++ b/app.py
@@ -1296,6 +1296,109 @@ def team_hours_data():
         'start_date': start_date.strftime('%Y-%m-%d'),
         'end_date': end_date.strftime('%Y-%m-%d')
     })
+=======
+@app.route('/export')
+def export():
+    return render_template('export.html', title='Export Data')
 
+@app.route('/download_export')
+def download_export():
+    # Get parameters
+    export_format = request.args.get('format', 'csv')
+    period = request.args.get('period')
+    
+    # Handle date range
+    if period:
+        # Quick export options
+        today = datetime.now().date()
+        if period == 'today':
+            start_date = today
+            end_date = today
+        elif period == 'week':
+            start_date = today - timedelta(days=today.weekday())
+            end_date = today
+        elif period == 'month':
+            start_date = today.replace(day=1)
+            end_date = today
+        elif period == 'all':
+            # Get the earliest entry date
+            earliest_entry = TimeEntry.query.order_by(TimeEntry.arrival_time).first()
+            start_date = earliest_entry.arrival_time.date() if earliest_entry else today
+            end_date = today
+    else:
+        # Custom date range
+        try:
+            start_date = datetime.strptime(request.args.get('start_date'), '%Y-%m-%d').date()
+            end_date = datetime.strptime(request.args.get('end_date'), '%Y-%m-%d').date()
+        except (ValueError, TypeError):
+            flash('Invalid date format. Please use YYYY-MM-DD format.')
+            return redirect(url_for('export'))
+    
+    # Query entries within the date range
+    start_datetime = datetime.combine(start_date, time.min)
+    end_datetime = datetime.combine(end_date, time.max)
+    
+    entries = TimeEntry.query.filter(
+        TimeEntry.arrival_time >= start_datetime,
+        TimeEntry.arrival_time <= end_datetime
+    ).order_by(TimeEntry.arrival_time).all()
+    
+    if not entries:
+        flash('No entries found for the selected date range.')
+        return redirect(url_for('export'))
+    
+    # Prepare data for export
+    data = []
+    for entry in entries:
+        row = {
+            'Date': entry.arrival_time.strftime('%Y-%m-%d'),
+            'Arrival Time': entry.arrival_time.strftime('%H:%M:%S'),
+            'Departure Time': entry.departure_time.strftime('%H:%M:%S') if entry.departure_time else 'Active',
+            'Work Duration (HH:MM:SS)': f"{entry.duration//3600:d}:{(entry.duration%3600)//60:02d}:{entry.duration%60:02d}" if entry.duration is not None else 'In progress',
+            'Break Duration (HH:MM:SS)': f"{entry.total_break_duration//3600:d}:{(entry.total_break_duration%3600)//60:02d}:{entry.total_break_duration%60:02d}" if entry.total_break_duration is not None else '00:00:00',
+            'Work Duration (seconds)': entry.duration if entry.duration is not None else 0,
+            'Break Duration (seconds)': entry.total_break_duration if entry.total_break_duration is not None else 0
+        }
+        data.append(row)
+    
+    # Generate filename
+    filename = f"timetrack_export_{start_date.strftime('%Y%m%d')}_to_{end_date.strftime('%Y%m%d')}"
+    
+    # Export based on format
+    if export_format == 'csv':
+        output = io.StringIO()
+        writer = csv.DictWriter(output, fieldnames=data[0].keys())
+        writer.writeheader()
+        writer.writerows(data)
+        
+        response = Response(
+            output.getvalue(),
+            mimetype='text/csv',
+            headers={'Content-Disposition': f'attachment;filename={filename}.csv'}
+        )
+        return response
+    
+    elif export_format == 'excel':
+        # Convert to DataFrame and export as Excel
+        df = pd.DataFrame(data)
+        output = io.BytesIO()
+        with pd.ExcelWriter(output, engine='xlsxwriter') as writer:
+            df.to_excel(writer, sheet_name='TimeTrack Data', index=False)
+            
+            # Auto-adjust columns' width
+            worksheet = writer.sheets['TimeTrack Data']
+            for i, col in enumerate(df.columns):
+                column_width = max(df[col].astype(str).map(len).max(), len(col)) + 2
+                worksheet.set_column(i, i, column_width)
+        
+        output.seek(0)
+        
+        return send_file(
+            output,
+            mimetype='application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
+            as_attachment=True,
+            download_name=f"{filename}.xlsx"
+        )
+      
 if __name__ == '__main__':
     app.run(debug=True)
\ No newline at end of file
diff --git a/requirements.txt b/requirements.txt
index 2bf148d..ad8c5a3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,4 +8,4 @@ Flask-SQLAlchemy==2.5.1
 SQLAlchemy==1.4.23
 python-dotenv==0.19.0
 pyotp==2.6.0
-qrcode[pil]==7.3.1
\ No newline at end of file
+qrcode[pil]==7.3.1
diff --git a/static/css/style.css b/static/css/style.css
index 39fbe19..125ce04 100644
--- a/static/css/style.css
+++ b/static/css/style.css
@@ -127,19 +127,20 @@ main {
 }
 
 .form-group {
-    margin-bottom: 15px;
+    margin-bottom: 1rem;
 }
 
 .form-group label {
     display: block;
-    margin-bottom: 5px;
+    margin-bottom: 0.5rem;
     font-weight: bold;
 }
 
 .form-group input,
-.form-group textarea {
+.form-group textarea,
+.form-group select {
     width: 100%;
-    padding: 8px;
+    padding: 0.5rem;
     border: 1px solid #ddd;
     border-radius: 4px;
 }
@@ -158,8 +159,8 @@ button {
     border: none;
     border-radius: 4px;
     cursor: pointer;
-    background-color: #4CAF50;
-    color: white;
+    font-size: 1rem;
+    text-align: center;
 }
 
 .btn-primary {
@@ -706,4 +707,30 @@ input[type="time"]::-webkit-datetime-edit {
     display: flex;
     align-items: center;
     gap: 5px;
-}
\ No newline at end of file
+}
+=======
+.export-options {
+    display: grid;
+    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
+    gap: 2rem;
+    margin: 2rem 0;
+}
+
+.export-section {
+    background-color: #f9f9f9;
+    padding: 1.5rem;
+    border-radius: 5px;
+    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
+}
+
+.export-section h3 {
+    color: #4CAF50;
+    margin-top: 0;
+    margin-bottom: 1rem;
+}
+
+.quick-export-buttons {
+    display: grid;
+    grid-template-columns: 1fr 1fr;
+    gap: 0.5rem;
+}
diff --git a/templates/export.html b/templates/export.html
new file mode 100644
index 0000000..dfa22e0
--- /dev/null
+++ b/templates/export.html
@@ -0,0 +1,48 @@
+{% extends "layout.html" %}
+
+{% block content %}
+<div class="timetrack-container">
+    <h2>Export Time Entries</h2>
+    
+    <div class="export-options">
+        <div class="export-section">
+            <h3>Date Range</h3>
+            <form action="{{ url_for('download_export') }}" method="get">
+                <div class="form-group">
+                    <label for="start_date">Start Date:</label>
+                    <input type="date" id="start_date" name="start_date" required>
+                </div>
+                
+                <div class="form-group">
+                    <label for="end_date">End Date:</label>
+                    <input type="date" id="end_date" name="end_date" required>
+                </div>
+                
+                <div class="form-group">
+                    <label for="format">Export Format:</label>
+                    <select id="format" name="format">
+                        <option value="csv">CSV</option>
+                        <option value="excel">Excel</option>
+                    </select>
+                </div>
+                
+                <button type="submit" class="btn">Generate Export</button>
+            </form>
+        </div>
+        
+        <div class="export-section">
+            <h3>Quick Export</h3>
+            <div class="quick-export-buttons">
+                <a href="{{ url_for('download_export', period='today', format='csv') }}" class="btn">Today (CSV)</a>
+                <a href="{{ url_for('download_export', period='today', format='excel') }}" class="btn">Today (Excel)</a>
+                <a href="{{ url_for('download_export', period='week', format='csv') }}" class="btn">This Week (CSV)</a>
+                <a href="{{ url_for('download_export', period='week', format='excel') }}" class="btn">This Week (Excel)</a>
+                <a href="{{ url_for('download_export', period='month', format='csv') }}" class="btn">This Month (CSV)</a>
+                <a href="{{ url_for('download_export', period='month', format='excel') }}" class="btn">This Month (Excel)</a>
+                <a href="{{ url_for('download_export', period='all', format='csv') }}" class="btn">All Time (CSV)</a>
+                <a href="{{ url_for('download_export', period='all', format='excel') }}" class="btn">All Time (Excel)</a>
+            </div>
+        </div>
+    </div>
+</div>
+{% endblock %}
\ No newline at end of file
diff --git a/templates/history.html b/templates/history.html
index 20234e0..b80ce2e 100644
--- a/templates/history.html
+++ b/templates/history.html
@@ -3,6 +3,9 @@
 {% block content %}
 <div class="timetrack-container">
     <h2>Complete Time Entry History</h2>
+    <div class="export-button-container">
+        <a href="{{ url_for('export') }}" class="btn">Export Data</a>
+    </div>
 
     <div class="history-section">
         {% if entries %}