diff --git a/lib/admin.py b/lib/admin.py
index bbdc21d..3007868 100644
--- a/lib/admin.py
+++ b/lib/admin.py
@@ -626,6 +626,8 @@ Dies kann nicht rückgängig gemacht werden!''')
                                 output_dict["button_height"] = button_height_input.value
                                 output_dict["user_notes"] = notes_switch.value
                                 output_dict["holidays"] = data["holidays"]
+                                output_dict["version"] = app_version
+
                                 json_dict = json.dumps(output_dict, indent=4)
                                 with open(os.path.join(scriptpath, usersettingsfilename), "w") as outputfile:
                                     outputfile.write(json_dict)
@@ -1248,32 +1250,40 @@ Dies kann nicht rückgängig gemacht werden!''')
                 ui.markdown('**Backups**')
 
                 date_format = '%Y-%m-%d_%H-%M'
+                searchpath = os.path.join(scriptpath, backupfolder)
 
                 @ui.refreshable
                 def backup_list():
-                    if not os.path.isdir(os.path.join(scriptpath, backupfolder)):
-                        os.makedirs(os.path.join(scriptpath, backupfolder))
+
+                    if not os.path.isdir(searchpath):
+                        os.makedirs(os.path.join(searchpath))
 
                     backup_files = []
-                    with ui.grid(columns='auto auto auto'):
-                        for file in os.listdir(os.path.join(scriptpath, backupfolder)):
+                    file_and_size = []
+                    with ui.grid(columns='auto auto auto auto auto'):
+
+                        for file in os.listdir(searchpath):
                             if file.endswith(".zip"):
-                                backup_files.append(file)
+                                file_and_size = [file, os.path.getsize(os.path.join(searchpath, file))]
+                                backup_files.append(file_and_size)
                         backup_files.sort()
                         backup_files.reverse()
 
                         if len(backup_files) == 0:
                             ui.label("Keine Backups vorhanden")
 
-                        for file in backup_files:
+                        for file, size in backup_files:
                             date_string = file[0:-4]
                             try:
                                 date_string_dt = datetime.datetime.strptime(date_string, date_format)
                                 button_string = date_string_dt.strftime('%d.%m.%Y - %H:%M')
                             except ValueError:
                                 button_string = date_string
-                            ui.button(button_string,
-                                      on_click=lambda file=date_string: ui.download.file(os.path.join(scriptpath, backupfolder, f'{file}.zip'))).tooltip("Backup herunterladen")
+                            ui.markdown(button_string)
+                            ui.markdown(f'{round(size/1_000_000,2)} MB')
+                            ui.button(icon='download', on_click=lambda file=date_string: ui.download.file(
+                                          os.path.join(scriptpath, backupfolder, f'{file}.zip'))).tooltip(
+                                "Backup herunterladen")
 
                             def del_backup_dialog(file):
                                 def del_backup():
@@ -1320,7 +1330,8 @@ Dies kann nicht rückgängig gemacht werden!''')
 
                 ui.separator()
 
-                def make_backup():
+                async def make_backup():
+                    n = ui.notification("Backup wird erzeugt...")
                     compress = zipfile.ZIP_DEFLATED
                     filename = os.path.join(scriptpath, backupfolder,
                                             datetime.datetime.now().strftime(date_format) + '.zip')
@@ -1332,9 +1343,35 @@ Dies kann nicht rückgängig gemacht werden!''')
                                 target.write(add)
                         target.write(usersettingsfilename)
                     backup_list.refresh()
+                    n.dismiss()
+                    ui.notify("Backup erstellt")
 
                 ui.button("Neues Backup erstellen", on_click=make_backup)
 
+                def handle_upload(e: events.UploadEventArguments):
+                    filename = e.name
+                    upload = True
+                    if os.path.exists(os.path.join(searchpath, filename )):
+                        with ui.dialog() as dialog, ui.card():
+                            ui.label("Datei mit diesem Namen existiert bereits. Die Datei kann nicht hochgeladen werden.")
+                            ui.button("OK", on_click=dialog.close)
+                        dialog.open()
+                        upload = False
+
+                    if upload:
+
+                        content = e.content.read()
+                        with open(os.path.join(searchpath, filename), 'wb') as output:
+                            output.write(content)
+                        ui.notify("Datei hochgeladen")
+                        backup_list.refresh()
+                        uploader.reset()
+
+                ui.separator()
+                ui.label("Backup hochladen").classes('font-bold')
+                ui.label(f"Stellen Sie sicher, dass Sie nur zur aktuellen Programmversion ({app_version}) Backups hochladen.")
+                uploader = ui.upload(on_upload=handle_upload).props('accept=.zip')
+
     # Alternativ zur Loginseite navigieren
     else:
         login = login_mask()