diff --git a/src/Csv.php b/src/Csv.php
index d2cd578..31414be 100644
--- a/src/Csv.php
+++ b/src/Csv.php
@@ -314,14 +314,34 @@ public function writeToFile($to)
      * @param  boolean $validate
      * @return void
      */
-    public static function appendToFile($file, $data, array $options = [], $validate = true)
+    public static function appendDataToFile($file, $data, array $options = [], $validate = true)
+    {
+        if (!file_exists($file)) {
+            throw new Exception("Error: The file '" . $file . "' does not exist.");
+        }
+
+        foreach ($data as $row) {
+            self::appendRowToFile($file, $row, $options, $validate);
+        }
+    }
+
+    /**
+     * Append additional CSV row of data to a pre-existing file
+     *
+     * @param  string  $file
+     * @param  array   $row
+     * @param  array   $options
+     * @param  boolean $validate
+     * @return void
+     */
+    public static function appendRowToFile($file, array $row, array $options = [], $validate = true)
     {
         if (!file_exists($file)) {
             throw new Exception("Error: The file '" . $file . "' does not exist.");
         }
 
         if ($validate) {
-            $keys    = array_keys($data);
+            $keys    = array_keys($row);
             $headers = array_map(
                 function($value) { return str_replace('"', '', $value);}, explode(',', trim(fgets(fopen($file, 'r'))))
             );
@@ -333,7 +353,7 @@ function($value) { return str_replace('"', '', $value);}, explode(',', trim(fget
 
         $options = self::processOptions($options);
         $csvRow  = self::serializeRow(
-            (array)$data, [], $options['delimiter'], $options['enclosure'],
+            (array)$row, [], $options['delimiter'], $options['enclosure'],
             $options['escape'], $options['newline'], $options['limit']
         );
 
diff --git a/tests/CsvTest.php b/tests/CsvTest.php
index a0549d5..11affe8 100644
--- a/tests/CsvTest.php
+++ b/tests/CsvTest.php
@@ -203,15 +203,13 @@ public function testIsValid()
     public function testWriteToFile()
     {
         $data = [
-            'my_table' => [
-                [
-                    'first_name' => 'Bob',
-                    'last_name'  => 'Smith'
-                ],
-                [
-                    'first_name' => 'Jane',
-                    'last_name'  => 'Smith'
-                ]
+            [
+                'first_name' => 'Bob',
+                'last_name'  => 'Smith'
+            ],
+            [
+                'first_name' => 'Jane',
+                'last_name'  => 'Smith'
             ]
         ];
         $string = new Csv($data);
@@ -219,34 +217,54 @@ public function testWriteToFile()
         $this->assertFileExists(__DIR__ . '/tmp/test.csv');
     }
 
+    public function testAppendDataToFileExistsException()
+    {
+        $this->expectException('Pop\Csv\Exception');
+        $data = [
+            [
+                'first_name' => 'John'
+            ]
+        ];
+
+        Csv::appendDataToFile(__DIR__ . '/tmp/bad.csv', $data);
+    }
+
 
-    public function testAppendToFileException()
+    public function testAppendDataToFileHeadersException()
     {
         $this->expectException('Pop\Csv\Exception');
         $data = [
-            'my_table' => [
-                [
-                    'first_name' => 'John'
-                ]
+            [
+                'first_name' => 'John'
             ]
         ];
 
-        Csv::appendToFile(__DIR__ . '/tmp/test.csv', $data);
+        Csv::appendDataToFile(__DIR__ . '/tmp/test.csv', $data);
     }
 
+    public function testAppendToFileExistsException()
+    {
+        $this->expectException('Pop\Csv\Exception');
+        $data = [
+            [
+                'first_name' => 'John',
+                'last_name'  => 'Smith'
+            ]
+        ];
+
+        Csv::appendRowToFile(__DIR__ . '/tmp/bad.csv', $data);
+    }
 
     public function testAppendToFile()
     {
         $data = [
-            'my_table' => [
-                [
-                    'first_name' => 'John',
-                    'last_name'  => 'Smith'
-                ]
+            [
+                'first_name' => 'John',
+                'last_name'  => 'Smith'
             ]
         ];
 
-        Csv::appendToFile(__DIR__ . '/tmp/test.csv', $data);
+        Csv::appendDataToFile(__DIR__ . '/tmp/test.csv', $data);
         $csv = Csv::loadFile(__DIR__ . '/tmp/test.csv');
         $this->assertEquals(3, count($csv->getData()));