diff --git a/apache-poi-2/.gitignore b/apache-poi-2/.gitignore
new file mode 100644
index 0000000000..9552c1e63d
--- /dev/null
+++ b/apache-poi-2/.gitignore
@@ -0,0 +1,3 @@
+*.docx
+temp.xls
+temp.xlsx
diff --git a/apache-poi-2/pom.xml b/apache-poi-2/pom.xml
new file mode 100644
index 0000000000..1cb6509457
--- /dev/null
+++ b/apache-poi-2/pom.xml
@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <artifactId>apache-poi</artifactId>
+    <version>0.0.1-SNAPSHOT</version>
+    <name>apache-poi</name>
+
+    <parent>
+        <groupId>com.baeldung</groupId>
+        <artifactId>parent-modules</artifactId>
+        <version>1.0.0-SNAPSHOT</version>
+    </parent>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.apache.poi</groupId>
+            <artifactId>poi-ooxml</artifactId>
+            <version>5.0.0</version>
+        </dependency>
+    </dependencies>
+
+</project>
\ No newline at end of file
diff --git a/apache-poi-2/src/main/java/com/baeldung/poi/excel/newcolumn/ExcelColumn.java b/apache-poi-2/src/main/java/com/baeldung/poi/excel/newcolumn/ExcelColumn.java
new file mode 100644
index 0000000000..00ca24f6e8
--- /dev/null
+++ b/apache-poi-2/src/main/java/com/baeldung/poi/excel/newcolumn/ExcelColumn.java
@@ -0,0 +1,16 @@
+package com.baeldung.poi.excel.newcolumn;
+import org.apache.poi.ss.usermodel.CellType;
+import org.apache.poi.ss.usermodel.Row;
+import org.apache.poi.ss.usermodel.Sheet;
+import org.apache.poi.ss.usermodel.Workbook;
+import org.apache.poi.xssf.usermodel.XSSFWorkbook;
+
+
+public class ExcelColumn {
+
+    public void addColumn(Sheet sheet, CellType cellType) {
+        for (Row currentRow : sheet) {
+            currentRow.createCell(currentRow.getLastCellNum(), cellType);
+        }
+    }
+}
diff --git a/apache-poi-2/src/test/java/com/baeldung/poi/excel/newcolumn/ExcelColumnUnitTest.java b/apache-poi-2/src/test/java/com/baeldung/poi/excel/newcolumn/ExcelColumnUnitTest.java
new file mode 100644
index 0000000000..9b991719b1
--- /dev/null
+++ b/apache-poi-2/src/test/java/com/baeldung/poi/excel/newcolumn/ExcelColumnUnitTest.java
@@ -0,0 +1,40 @@
+package com.baeldung.poi.excel.newcolumn;
+
+import org.apache.poi.ss.usermodel.CellType;
+import org.apache.poi.ss.usermodel.Row;
+import org.apache.poi.ss.usermodel.Sheet;
+import org.apache.poi.ss.usermodel.Workbook;
+import org.apache.poi.xssf.usermodel.XSSFWorkbook;
+import org.junit.Before;
+import org.junit.Test;
+
+import java.io.IOException;
+import java.net.URISyntaxException;
+import java.nio.file.Paths;
+
+import static org.junit.Assert.assertEquals;
+
+public class ExcelColumnUnitTest {
+    private static final String FILE_NAME = "newColumnTest.xlsx";
+    private String fileLocation;
+
+    @Before
+    public void setup() throws URISyntaxException {
+        fileLocation = Paths.get(ClassLoader.getSystemResource(FILE_NAME).toURI()).toString();
+    }
+
+    @Test
+    public void givenExistingRows_whenAddNewColumn_thenRowColumnNumberIncreased() throws IOException {
+        Workbook workbook = new XSSFWorkbook(fileLocation);
+        Sheet sheet = workbook.getSheetAt(0);
+        Row row = sheet.getRow(0);
+        assertEquals(5, row.getLastCellNum());
+
+        ExcelColumn excelColumn = new ExcelColumn();
+        excelColumn.addColumn(sheet, CellType.STRING);
+        assertEquals(6, row.getLastCellNum());
+
+        workbook.close();
+    }
+
+}
\ No newline at end of file
diff --git a/apache-poi-2/src/test/resources/newColumnTest.xlsx b/apache-poi-2/src/test/resources/newColumnTest.xlsx
new file mode 100644
index 0000000000..54e8734d58
Binary files /dev/null and b/apache-poi-2/src/test/resources/newColumnTest.xlsx differ