diff --git a/file-sync/sync_files.py b/file-sync/sync_files.py
new file mode 100644
index 0000000..284103a
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+++ b/file-sync/sync_files.py
@@ -0,0 +1,71 @@
+import os
+import schedule
+import shutil
+import subprocess
+import time
+
+from datetime import datetime, timedelta
+from dotenv import load_dotenv
+from pathlib import Path
+
+# Example .env file:
+# SOURCE_DIRECTORIES=DATA-DRIVE:\A;DDATA-DRIVE:\B;DATA-DRIVE:\C
+# DESTINATION_PATHS=\\NETWORK-SHARE\A;\\NETWORK-SHARE\B;\\NETWORK-SHARE\C
+# USERNAME=CHANGE-ME
+# PASSWORD=CHANGE-ME
+load_dotenv()
+
+def connect_to_network_drive(network_path, username, password):
+    # Only one connection can be made to a network drive at a time, so attempt a disconnect first.
+    # Use only the network drive name in the disconnect command, or else it won't work.
+    network_drive = network_path.split('\\')[1]
+    disconnect_cmd = f'net use \\\\{network_drive} /delete'
+    subprocess.run(disconnect_cmd, shell=True)
+
+    connect_cmd = f'net use {network_path} /user:{username} {password}'
+    result = subprocess.run(connect_cmd, shell=True, capture_output=True)
+    if result.returncode != 0:
+        raise ConnectionError(f'Failed to connect to network drive: {result.stderr.decode()}')
+
+def file_has_changed(source_file, destination_file):
+    if not os.path.exists(destination_file):
+        return True
+    return os.path.getmtime(source_file) != os.path.getmtime(destination_file)
+
+def copy_files(source_directory, destination_directory):
+    for root, directories, files in os.walk(source_directory, followlinks=True):
+        for file in files:
+            source_file = Path(root) / file
+            destination_file = Path(destination_directory) / Path(root).relative_to(source_directory) / file
+            print(f'Checking: {source_file}')
+
+            if file_has_changed(source_file, destination_file):
+                destination_file.parent.mkdir(parents=True, exist_ok=True)
+                shutil.copy2(source_file, destination_file)
+                print(f'Copied: {source_file} to {destination_file}')
+
+def sync_directories(source_directory, destination_path):
+    username = os.getenv('USERNAME')
+    password = os.getenv('PASSWORD')
+
+    connect_to_network_drive(destination_path, username, password)
+    copy_files(source_directory, destination_path)
+
+def schedule_syncs(start_hour, start_minute, interval_minutes):
+    source_directories = os.getenv('SOURCE_DIRECTORIES').split(';')
+    destination_paths = os.getenv('DESTINATION_PATHS').split(';')
+
+    start_time = datetime.now().replace(hour=start_hour, minute=start_minute, second=0, microsecond=0)
+    
+    for i, (source_directory, destination_path) in enumerate(zip(source_directories, destination_paths)):
+        schedule_time = start_time + timedelta(minutes=i * interval_minutes)
+        schedule_time_string = schedule_time.strftime('%H:%M')
+        schedule.every().day.at(schedule_time_string, 'America/Los_Angeles').do(sync_directories, source_directory, destination_path)
+        print(f'Scheduled sync for {source_directory} to {destination_path} at {schedule_time_string}.')
+
+if __name__ == '__main__':
+    # Schedules sync jobs starting at 3:00 AM PT, 30 minutes apart from one another.
+    schedule_syncs(3, 0, 30)
+    while True:
+        schedule.run_pending()
+        time.sleep(60) # Seconds.
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