diff --git a/Controller/ApiController.php b/Controller/ApiController.php
index 3403cd6..81f608f 100755
--- a/Controller/ApiController.php
+++ b/Controller/ApiController.php
@@ -23,6 +23,7 @@ use phpOMS\Message\RequestAbstract;
 use phpOMS\Message\ResponseAbstract;
 use phpOMS\Model\Message\FormValidation;
 use phpOMS\System\File\Local\Directory;
+use phpOMS\System\MimeType;
 
 /**
  * Exchange controller class.
@@ -160,20 +161,38 @@ final class ApiController extends Controller
      */
     public function apiExchangeExport(RequestAbstract $request, ResponseAbstract $response, $data = null) : void
     {
-        $export  = $this->exportDataFromRequest($request);
-        $status  = NotificationLevel::ERROR;
-        $message = 'Export failed.';
+        $export = $this->exportDataFromRequest($request);
+        if ($export['type'] === 'file') {
+            $file = \explode('.', $export['name']);
 
-        if ($export) {
-            $status  = NotificationLevel::OK;
-            $message = 'Export succeeded.';
+            $response->header->setDownloadable($file[0], $file[1]);
+            switch ($file[1]) {
+                case 'csv':
+                    $response->header->set(
+                        'Content-disposition', 'attachment; filename="'
+                        . $export['name']
+                        . '"'
+                    , true);
+                    //$response->header->set('Content-Type', MimeType::M_CONF, true);
+                    break;
+            }
+
+            $response->set('export', $export['content']);
+        } else {
+            $status  = NotificationLevel::ERROR;
+            $message = 'Export failed.';
+
+            if ($export['status']) {
+                $status  = NotificationLevel::OK;
+                $message = 'Export succeeded.';
+            }
+
+            $response->set($request->uri->__toString(), [
+                'status'  => $status,
+                'title'   => 'Exchange',
+                'message' => $message,
+            ]);
         }
-
-        $response->set($request->uri->__toString(), [
-            'status'  => $status,
-            'title'   => 'Exchange',
-            'message' => $message,
-        ]);
     }
 
     /**
@@ -181,11 +200,11 @@ final class ApiController extends Controller
      *
      * @param RequestAbstract $request Request
      *
-     * @return bool
+     * @return array
      *
      * @since 1.0.0
      */
-    private function exportDataFromRequest(RequestAbstract $request) : bool
+    private function exportDataFromRequest(RequestAbstract $request) : array
     {
         /** @var \Modules\Exchange\Models\InterfaceManager[] $interfaces */
         $interfaces = InterfaceManagerMapper::getAll();
@@ -200,7 +219,7 @@ final class ApiController extends Controller
 
         Directory::delete(__DIR__ . '/../tmp/');
 
-        return false;
+        return [];
     }
 
     /**
diff --git a/Controller/BackendController.php b/Controller/BackendController.php
index 13552ce..9fbdbfd 100755
--- a/Controller/BackendController.php
+++ b/Controller/BackendController.php
@@ -135,6 +135,14 @@ final class BackendController extends Controller
         $view->setTemplate('/Modules/Exchange/Theme/Backend/exchange-export');
         $view->addData('nav', $this->app->moduleManager->get('Navigation')->createNavigationMid(1007001001, $request, $response));
 
+        /** @var \Modules\Exchange\Models\InterfaceManager $interface */
+        $interface = InterfaceManagerMapper::get((int) $request->getData('id'));
+
+        $view->addData('interface', $interface);
+
+        $lang = include __DIR__ . '/../Interfaces/' . $interface->getInterfacePath() . '/Lang/' . $response->getLanguage() . '.lang.php';
+        $view->addData('lang', $lang);
+
         return $view;
     }
 
diff --git a/Interfaces/OMS/Exporter.php b/Interfaces/OMS/Exporter.php
index 07043b1..667315d 100644
--- a/Interfaces/OMS/Exporter.php
+++ b/Interfaces/OMS/Exporter.php
@@ -23,6 +23,8 @@ use phpOMS\Localization\ISO639x1Enum;
 use phpOMS\Message\RequestAbstract;
 use phpOMS\System\File\Local\Directory;
 use phpOMS\Utils\IO\Zip\Zip;
+use Modules\Exchange\Models\ExporterAbstract;
+use phpOMS\Utils\StringUtils;
 
 /**
  * OMS export class
@@ -70,33 +72,128 @@ final class Exporter extends ExporterAbstract
      *
      * @param RequestAbstract $request Request
      *
-     * @return bool
+     * @return array
      *
      * @since 1.0.0
      */
-    public function exportFromRequest(RequestAbstract $request) : bool
+    public function exportFromRequest(RequestAbstract $request) : array
     {
         $start = new \DateTime($request->getData('start') ?? 'now');
         $end   = new \DateTime($request->getData('end') ?? 'now');
 
         $this->account = $request->header->account;
 
-        if (((bool) ($request->getData('language') ?? false))) {
-            $this->exportLanguage();
+        if ($request->getData('type') === 'language') {
+            return $this->exportLanguage();
         }
 
-        return true;
+        return [];
     }
 
     /**
      * Export language
      *
-     * @return void
+     * @return array
      *
      * @since 1.0.0
      */
-    public function exportLanguage() : void
+    public function exportLanguage() : array
     {
+        $languageArray = [];
+        $supportedLanguages = [];
 
+        $basePath = __DIR__ . '/../../../';
+        $modules = \scandir($basePath);
+        foreach ($modules as $module) {
+            $themePath = $basePath . $module . '/Theme/';
+
+            if (!\is_dir($basePath . $module) || $module === '.' || $module === '..'
+                || !\is_dir($themePath)
+            ) {
+                continue;
+            }
+
+            $themes = \scandir($themePath);
+            foreach ($themes as $theme) {
+                $langPath = $themePath . $theme . '/Lang/';
+                if (!\is_dir($themePath . $theme) || $theme === '.' || $theme === '..'
+                    || !\is_dir($langPath)
+                ) {
+                    continue;
+                }
+
+                $languages = \scandir($themePath . $theme . '/Lang/');
+                foreach ($languages as $language) {
+                    if (\stripos($language, '.lang.') === false || $language === '.' || $language === '..') {
+                        continue;
+                    }
+
+                    $components = \explode('.', $language);
+                    if (\strlen($components[0]) === 2) {
+                        // normal language file
+                        $supportedLanguages[] = $components[0];
+                        $array = include $themePath . $theme . '/Lang/' . $language;
+                        $array = \reset($array);
+
+                        if ($array === false) {
+                            continue;
+                        }
+
+                        foreach ($array as $key => $value) {
+                            $languageArray[\trim($module, '/')][\trim($theme, '/')][$key][$components[0]] = $value;
+                        }
+                    }
+                }
+            }
+
+            // search for translations in tpl files which are not included in the language fieles
+            foreach ($themes as $theme) {
+                if (!\is_dir($themePath . $theme) || $theme === '.' || $theme === '..') {
+                    continue;
+                }
+
+                $iterator = new \RecursiveIteratorIterator(
+                    new \RecursiveDirectoryIterator($themePath . $theme . '/', \RecursiveDirectoryIterator::SKIP_DOTS),
+                    \RecursiveIteratorIterator::SELF_FIRST
+                );
+
+                foreach ($iterator as $item) {
+                    if ($item->isDir() || !StringUtils::endsWith($item->getFilename(), '.tpl.php')) {
+                        continue;
+                    }
+
+                    $template = \file_get_contents($item->getPathname());
+                    $keys = [];
+                    \preg_match_all('/(\$this\->getHtml\(\')([a-zA-Z:]+)(\'\))/', $template, $keys, \PREG_PATTERN_ORDER);
+
+                    foreach ($keys[2] ?? [] as $key) {
+                        if (!isset($languageArray[\trim($module, '/')][\trim($theme, '/')][$key])) {
+                            $languageArray[\trim($module, '/')][\trim($theme, '/')][$key]['en'] = '';
+                        }
+                    }
+                }
+            }
+        }
+
+        $supportedLanguages = \array_unique($supportedLanguages);
+
+        $content = '"Module";"Theme";"ID";"' . \implode('";"', $supportedLanguages) . '"';
+        foreach ($languageArray as $module => $themes) {
+            foreach ($themes as $theme => $keys) {
+                foreach ($keys as $key => $value) {
+                    $content .= "\n\"" . $module . '";"' . $theme . '";"' . $key . '"';
+
+                    foreach ($supportedLanguages as $language) {
+                        $content .= ';"' . ($value[$language] ?? '') . '"';
+                    }
+                }
+            }
+        }
+
+        return [
+            'type'    => 'file',
+            'name'    => 'languages.csv',
+            'content' => $content
+        ];
     }
 }
diff --git a/Interfaces/OMS/Importer.php b/Interfaces/OMS/Importer.php
index ba3a1d5..fd4ffd8 100644
--- a/Interfaces/OMS/Importer.php
+++ b/Interfaces/OMS/Importer.php
@@ -24,6 +24,7 @@ use phpOMS\Message\RequestAbstract;
 use phpOMS\System\File\Local\Directory;
 use phpOMS\Utils\IO\Zip\Zip;
 use Modules\Media\Controller\ApiController;
+use Modules\Exchange\Models\ImporterAbstract;
 
 /**
  * OMS import class
@@ -100,7 +101,7 @@ final class Importer extends ImporterAbstract
 
         $this->account = $request->header->account;
 
-        if (((bool) ($request->getData('language') ?? false))) {
+        if ($request->getData('type') === 'language') {
             $this->importLanguage($request);
         }
 
@@ -117,5 +118,64 @@ final class Importer extends ImporterAbstract
     public function importLanguage(RequestAbstract $request) : void
     {
         $upload = ApiController::uploadFilesToDestination($request->getFiles());
+
+        $fp = \fopen($upload['file0']['path'] . '/' . $upload['file0']['filename'], 'r');
+        $header = \fgetcsv($fp, ';', '"');
+
+        $languageArray = [];
+        $supportedLanguages = \array_slice($header, 3);
+
+        while(($line = \fgetcsv($fp, ';', '"')) !== false) {
+            $translations = \array_slice($header, 3);
+
+            foreach ($languageArray as $index => $language) {
+                if (empty(\trim($language))) {
+                    continue;
+                }
+
+                $languageArray[\trim($line[0])][\trim($line[1])][\trim($line[2])][\trim($language)] = $translations[$index];
+            }
+        }
+
+        \fclose($fp);
+
+        \unlink($upload['file0']['path'] . '/' . $upload['file0']['filename']);
+
+        foreach ($languageArray as $module => $themes) {
+            foreach ($themes as $theme => $keys) {
+                foreach ($supportedLanguages as $language) {
+                    $langFile = __DIR__ . '/../../../' . \trim($module) . '/Theme/' . $theme . '/Lang/' . \trim($language) . '.lang.php';
+                    if (\is_file($langFile)) {
+                        \unlink($langFile);
+                    }
+
+                    $fp = \fopen($langFile, 'w+');
+                    \fwrite($fp,
+                        "<?php\n"
+                        . "/**\n"
+                        . " * Orange Management\n"
+                        . " *\n"
+                        . " * PHP Version 8.0\n"
+                        . " *\n"
+                        . " * @copyright Dennis Eichhorn\n"
+                        . " * @license   OMS License 1.0\n"
+                        . " * @version   1.0.0\n"
+                        . " * @link      https://orange-management.org\n"
+                        . " */\n"
+                        . "declare(strict_types=1);\n\n"
+                        . "return [\'' . '\'] => [\n"
+                    );
+
+                    foreach ($keys as $key => $values) {
+                        \fwrite($fp,
+                            "    '" . $key . "' => '" . ($values[$language] ?? '') . "',\n"
+                        );
+                    }
+
+                    \fwrite($fp, "]];\n");
+                    \fclose($fp);
+                }
+            }
+        }
     }
 }
diff --git a/Interfaces/OMS/Lang/en.lang.php b/Interfaces/OMS/Lang/en.lang.php
index 384e0ac..8a6302f 100755
--- a/Interfaces/OMS/Lang/en.lang.php
+++ b/Interfaces/OMS/Lang/en.lang.php
@@ -13,12 +13,5 @@ declare(strict_types=1);
  * @link      https://orange-management.org
  */
 return [
-    'Account'    => 'Account',
-    'Article'    => 'Articls',
-    'CostCenter' => 'Cost Center',
-    'CostObject' => 'Cost Object',
-    'Customer'   => 'Customer',
-    'Invoice'    => 'Invoice',
-    'Options'    => 'Options',
-    'Supplier'   => 'Supplier',
+    'Language'    => 'Language',
 ];
diff --git a/Interfaces/OMS/export.tpl.php b/Interfaces/OMS/export.tpl.php
index e69de29..bf74739 100644
--- a/Interfaces/OMS/export.tpl.php
+++ b/Interfaces/OMS/export.tpl.php
@@ -0,0 +1,18 @@
+<?php
+
+$lang = $this->getData('lang');
+?>
+<div class="row">
+    <div class="col-xs-12 col-md-6">
+        <section class="portlet">
+            <form id="fImport" method="POST" action="<?= \phpOMS\Uri\UriFactory::build('{/api}admin/exchange/export/profile?{?}&exchange=OMS&type=language&csrf={$CSRF}'); ?>">
+                <div class="portlet-head"><?= $this->printHtml($lang['Language']); ?> - OMS</div>
+                <div class="portlet-body">
+                </div>
+                <div class="portlet-foot">
+                    <input type="submit" value="<?= $this->getHtml('Export'); ?>">
+                </div>
+            </form>
+        </section>
+    </div>
+</div>
diff --git a/Interfaces/OMS/import.tpl.php b/Interfaces/OMS/import.tpl.php
index b8bc366..4361261 100644
--- a/Interfaces/OMS/import.tpl.php
+++ b/Interfaces/OMS/import.tpl.php
@@ -1,8 +1,12 @@
+<?php
+
+$lang = $this->getData('lang');
+?>
 <div class="row">
     <div class="col-xs-12 col-md-6">
         <section class="portlet">
             <form id="fImport" method="POST" action="<?= \phpOMS\Uri\UriFactory::build('{/api}admin/exchange/import/profile?{?}&exchange=OMS&type=language&csrf={$CSRF}'); ?>">
-                <div class="portlet-head"><?= $this->getHtml('Langauge'); ?> - OMS</div>
+                <div class="portlet-head"><?= $this->printHtml($lang['Language']); ?> - OMS</div>
                 <div class="portlet-body">
                     <table class="layout wf-100" style="table-layout: fixed">
                         <tbody>
diff --git a/Models/ExchangeLog.php b/Models/ExchangeLog.php
index 6667b8e..2078022 100644
--- a/Models/ExchangeLog.php
+++ b/Models/ExchangeLog.php
@@ -40,7 +40,7 @@ class ExchangeLog implements \JsonSerializable, ArrayableInterface
      * @var string
      * @since 1.0.0
      */
-    private string $message = '';
+    public string $message = '';
 
     /**
      * Fields.
@@ -58,6 +58,8 @@ class ExchangeLog implements \JsonSerializable, ArrayableInterface
      */
     private int $type = ExchangeType::IMPORT;
 
+    public string $subtype = '';
+
     /**
      * Date type.
      *
@@ -66,6 +68,8 @@ class ExchangeLog implements \JsonSerializable, ArrayableInterface
      */
     public \DateTimeImmutable $createdAt;
 
+    public int $createdBy = 0;
+
     /**
      * Constructor.
      *
diff --git a/Models/ExporterAbstract.php b/Models/ExporterAbstract.php
new file mode 100644
index 0000000..bbd0326
--- /dev/null
+++ b/Models/ExporterAbstract.php
@@ -0,0 +1,60 @@
+<?php
+/**
+ * Orange Management
+ *
+ * PHP Version 8.0
+ *
+ * @package   Interfaces
+ * @copyright Dennis Eichhorn
+ * @license   OMS License 1.0
+ * @version   1.0.0
+ * @link      https://orange-management.org
+ */
+declare(strict_types=1);
+
+namespace Modules\Exchange\Models;
+
+use phpOMS\DataStorage\Database\Connection\ConnectionAbstract;
+use phpOMS\Message\RequestAbstract;
+
+/**
+ * Export abstract
+ *
+ * @package Interfaces
+ * @license OMS License 1.0
+ * @link    https://orange-management.org
+ * @since   1.0.0
+ */
+abstract class ExporterAbstract
+{
+    /**
+     * Database connection.
+     *
+     * @var ConnectionAbstract
+     * @since 1.0.0
+     */
+    protected ConnectionAbstract $local;
+
+    /**
+     * Constructor
+     *
+     * @param ConnectionAbstract $local Database connection
+     *
+     * @since 1.0.0
+     */
+    public function __construct(ConnectionAbstract $local)
+    {
+        $this->local = $local;
+    }
+
+    /**
+     * Export data from request
+     *
+     * @param RequestAbstract $request Request
+     *
+     * @return array
+     *
+     * @since 1.0.0
+     */
+    abstract public function exportFromRequest(RequestAbstract $request) : array;
+}
diff --git a/Theme/Backend/exchange-export-list.tpl.php b/Theme/Backend/exchange-export-list.tpl.php
index bbf7b68..0098fea 100755
--- a/Theme/Backend/exchange-export-list.tpl.php
+++ b/Theme/Backend/exchange-export-list.tpl.php
@@ -29,7 +29,7 @@ echo $this->getData('nav')->render();
                 <?php $count = 0; foreach ($interfaces as $key => $value) : ++$count;
                 $url         = \phpOMS\Uri\UriFactory::build('{/prefix}admin/exchange/export/profile?{?}&id=' . $value->getId()); ?>
                     <tr tabindex="0" data-href="<?= $url; ?>">
-                        <td data-label="<?= $this->getHtml('Title'); ?>"><a href="<?= $url; ?>"><?= $this->printHtml($value->name); ?></a>
+                        <td data-label="<?= $this->getHtml('Title'); ?>"><a href="<?= $url; ?>"><?= $this->printHtml($value->getName()); ?></a>
                 <?php endforeach; ?>
                 <?php if ($count === 0) : ?>
                     <tr><td colspan="2" class="empty"><?= $this->getHtml('Empty', '0', '0'); ?>
diff --git a/Theme/Backend/exchange-export.tpl.php b/Theme/Backend/exchange-export.tpl.php
index d263b86..86f0bad 100755
--- a/Theme/Backend/exchange-export.tpl.php
+++ b/Theme/Backend/exchange-export.tpl.php
@@ -12,5 +12,9 @@
  */
 declare(strict_types=1);
 
+ $lang = $this->getData('lang');
+
 /** @var \phpOMS\Views\View $this */
 echo $this->getData('nav')->render();
+
+include __DIR__ . '/../../Interfaces/' . $this->getData('interface')->getInterfacePath() . '/export.tpl.php';
diff --git a/Theme/Backend/exchange-import-list.tpl.php b/Theme/Backend/exchange-import-list.tpl.php
index 0ad269d..2fae6ab 100755
--- a/Theme/Backend/exchange-import-list.tpl.php
+++ b/Theme/Backend/exchange-import-list.tpl.php
@@ -29,7 +29,7 @@ echo $this->getData('nav')->render();
                 <?php $count = 0; foreach ($interfaces as $key => $value) : ++$count;
                 $url         = \phpOMS\Uri\UriFactory::build('{/prefix}admin/exchange/import/profile?{?}&id=' . $value->getId()); ?>
                     <tr tabindex="0" data-href="<?= $url; ?>">
-                        <td data-label="<?= $this->getHtml('Title'); ?>"><a href="<?= $url; ?>"><?= $this->printHtml($value->name); ?></a>
+                        <td data-label="<?= $this->getHtml('Title'); ?>"><a href="<?= $url; ?>"><?= $this->printHtml($value->getName()); ?></a>
                 <?php endforeach; ?>
                 <?php if ($count === 0) : ?>
                     <tr><td colspan="2" class="empty"><?= $this->getHtml('Empty', '0', '0'); ?>