diff --git a/lang/th.json b/lang/th.json
index 48a14568..dbf29081 100644
--- a/lang/th.json
+++ b/lang/th.json
@@ -25,6 +25,12 @@
     "update": "อัพเดต",
     "deselect": "ยกเลิกการเลือก",
     "download": "ดาวน์โหลด",
+    "export": "Export",
+    "export_csv": "Export CSV",
+    "export_one_line_per_invoice": "One line per invoice",
+    "export_one_line_per_invoice_item": "One line per invoice item",
+    "export_one_line_per_estimate": "One line per estimate",
+    "export_one_line_per_estimate_item": "One line per estimate item",
     "from_date": "จากวันที่",
     "to_date": "ถึงวันที่",
     "from": "จาก",