diff --git a/.clang-format b/.clang-format
index 2c120cc..3fa41ba 100644
--- a/.clang-format
+++ b/.clang-format
@@ -1,3 +1,4 @@
+---
 Language:        Cpp
 # BasedOnStyle:  LLVM
 AccessModifierOffset: -2
@@ -89,6 +90,10 @@ PenaltyBreakString: 1000
 PenaltyExcessCharacter: 1000000
 PenaltyReturnTypeOnItsOwnLine: 60
 PointerAlignment: Left
+RawStringFormats: 
+  - Delimiter:       pb
+    Language:        TextProto
+    BasedOnStyle:    google
 ReflowComments:  true
 SortIncludes:    true
 SortUsingDeclarations: true
@@ -103,7 +108,8 @@ SpacesInContainerLiterals: true
 SpacesInCStyleCastParentheses: false
 SpacesInParentheses: false
 SpacesInSquareBrackets: false
-Standard:        Auto
+Standard:        Cpp11
 TabWidth:        8
 UseTab:          Never
+...
 
diff --git a/src/gui/mainwindow.cpp b/src/gui/mainwindow.cpp
index 3460e10..929ee2c 100644
--- a/src/gui/mainwindow.cpp
+++ b/src/gui/mainwindow.cpp
@@ -163,6 +163,7 @@ void MainWindow::onActionEditSellerTriggered()
 
     setSaleModel();
     updateStatLabel();
+
 }
 
 void MainWindow::setSaleModel()
@@ -194,6 +195,7 @@ void MainWindow::onPaidButtonTriggered()
         ui_.sellerNoEdit->setFocus();
         statusBar()->showMessage("Verkaufsvorgang erfolgreich durchgeführt.", STATUSBAR_TIMEOUT);
         updateStatLabel();
+
     }
 }
 
@@ -443,6 +445,7 @@ void MainWindow::onImportSellerExcelActionTriggered()
 
     ExcelReader::readSellersFromFile(filePath, marketplace_.get());
     updateStatLabel();
+
 }
 
 void MainWindow::onImportSellerJsonActionTriggered()
@@ -465,6 +468,7 @@ void MainWindow::onImportSellerJsonActionTriggered()
 
     JsonUtil::importSellers(filePath, marketplace_.get());
     updateStatLabel();
+
 }
 
 void MainWindow::onExportSellerJsonActionTriggered()
@@ -484,10 +488,8 @@ void MainWindow::onExportSalesJsonActionTriggered()
 {
     QSettings settings;
 
-    auto filename = QFileDialog::getSaveFileName(
-        this, "Umsätze/Transaktionen exportieren",
-        QString("kima2_umsaetze_kasse") + settings.value("global/cashPointNo").toString() + ".json",
-        "JSON Dateien (*.json)");
+    auto filename = QFileDialog::getSaveFileName(this, "Umsätze/Transaktionen exportieren",
+                                                 QString(), "JSON Dateien (*.json)");
 
     if (filename.isEmpty())
         return;
@@ -521,6 +523,7 @@ void MainWindow::onImportSalesJsonActionTriggered()
     }
     setSaleModel();
     updateStatLabel();
+
 }
 
 void MainWindow::writeGeometry()