diff --git a/convert_to_csv_de.py b/convert_to_csv_de.py
index da894af..f8339f8 100644
--- a/convert_to_csv_de.py
+++ b/convert_to_csv_de.py
@@ -1,15 +1,29 @@
 import pandas as pd
 import os
 
-# Convert data to csv
 base_dir = "./de/"
+out_dir = "csv/"
+in_dir = "input/"
+title_file = "filename_to_titles.csv"
 
-out_dir = "csv"
-if not os.path.exists(base_dir + out_dir):
-    os.makedirs(base_dir + out_dir)
 
-for dirname, _, filenames in os.walk(base_dir + 'input'):
+if not os.path.exists(os.path.join(base_dir, out_dir)):
+    os.makedirs(os.path.join(base_dir, out_dir))
+
+# Copy titles file and replace file endings
+print(f'Copying Title File')
+with open(os.path.join(base_dir, in_dir, title_file), 'r') as file:
+    file_content = file.read()
+    file_content = file_content.replace('.xlsx', '.csv')
+with open(os.path.join(base_dir, out_dir, title_file), 'w') as file:
+    file.write(file_content)
+
+# Convert xlsx files to csv 
+for dirname, _, filenames in os.walk(os.path.join(base_dir, in_dir)):
     for filename in filenames:
-        read_file = pd.read_excel (os.path.join(dirname, filename))
-        read_file.to_csv (os.path.join(base_dir + out_dir, filename.split(".", 1)[0] + ".csv"), index = None, header=True)
+        if filename != title_file:
+            print(f'Reading {filename}')
+            read_file = pd.read_excel (os.path.join(dirname, filename))
+            print(f'Saving {filename}')
+            read_file.to_csv (os.path.join(base_dir, out_dir, filename.split(".", 1)[0] + ".csv"), index = None, header=True)