diff --git a/ems-core/src/main/java/it/integry/ems_model/utility/UtilityExcel.java b/ems-core/src/main/java/it/integry/ems_model/utility/UtilityExcel.java
index 709cf8b12b..811c89e086 100644
--- a/ems-core/src/main/java/it/integry/ems_model/utility/UtilityExcel.java
+++ b/ems-core/src/main/java/it/integry/ems_model/utility/UtilityExcel.java
@@ -1,6 +1,7 @@
 package it.integry.ems_model.utility;
 
 import it.integry.ems.Import.dto.ImportRequestDTO;
+import org.apache.commons.io.FilenameUtils;
 import org.apache.poi.hssf.usermodel.*;
 import org.apache.poi.hssf.util.HSSFCellUtil;
 import org.apache.poi.openxml4j.opc.OPCPackage;
@@ -133,6 +134,9 @@ public class UtilityExcel {
         if (UtilityString.isNullOrEmpty(fileName))
             fileName = requestDTO.getFileName();
 
+        if (!FilenameUtils.getExtension(fileName).equalsIgnoreCase("xlsx"))
+            throw new Exception("Formato file non supportato");
+
         if (!path.endsWith("\\") || !path.endsWith("/"))
             path = path + File.separator;