diff --git a/categorize_transactions.py b/categorize_transactions.py
index dee4a6c..a5567ba 100644
--- a/categorize_transactions.py
+++ b/categorize_transactions.py
@@ -5,6 +5,7 @@ from datetime import datetime
 import json
 import csv
 import sys
+from openpyxl import Workbook
 
 # --------------------------------------------------
 # Kalenderwoche bestimmen
@@ -48,10 +49,12 @@ source_json = (
 categorized_csv_dir = year_dir / "categorized_csv"
 categorized_json_dir = year_dir / "categorized_json"
 summary_dir = year_dir / "summary"
+excel_dir = year_dir / "excel"
 
 categorized_csv_dir.mkdir(parents=True, exist_ok=True)
 categorized_json_dir.mkdir(parents=True, exist_ok=True)
 summary_dir.mkdir(parents=True, exist_ok=True)
+excel_dir.mkdir(parents=True, exist_ok=True)
 
 csv_file = (
     categorized_csv_dir
@@ -68,6 +71,11 @@ summary_file = (
     / f"category_summary_{year}_KW{week:02d}.json"
 )
 
+excel_file = (
+    excel_dir
+    / f"transactions_{year}_KW{week:02d}.xlsx"
+)
+
 # --------------------------------------------------
 # Prüfen ob Quelldatei existiert
 # --------------------------------------------------
@@ -202,6 +210,53 @@ with open(json_file, "w", encoding="utf-8") as outfile:
         indent=2
     )
 
+# --------------------------------------------------
+# Excel exportieren
+# --------------------------------------------------
+
+
+wb = Workbook()
+
+ws1 = wb.active
+ws1.title = "Transaktionen"
+
+ws1.append([
+    "Datum",
+    "Betrag",
+    "Kategorie",
+    "Name",
+    "Verwendungszweck"
+])
+
+for t in categorized_transactions:
+    ws1.append([
+        t["date"],
+        t["amount"],
+        t["category"],
+        t["applicant_name"],
+        t["purpose"]
+    ])
+
+ws2 = wb.create_sheet("Kategorien")
+
+ws2.append([
+    "Kategorie",
+    "Einnahmen",
+    "Ausgaben",
+    "Saldo"
+])
+
+for category, values in sorted(category_totals.items()):
+    ws2.append([
+        category,
+        values["income"],
+        values["expenses"],
+        values["saldo"]
+    ])
+
+wb.save(excel_file)
+
+
 # --------------------------------------------------
 # Kategorien-Summen exportieren
 # --------------------------------------------------
@@ -239,4 +294,5 @@ for category, values in sorted(category_totals.items()):
 print()
 print(f"CSV      : {csv_file}")
 print(f"JSON     : {json_file}")
-print(f"Summary  : {summary_file}")
\ No newline at end of file
+print(f"Summary  : {summary_file}")
+print(f"Excel    : {excel_file}")
\ No newline at end of file