diff --git a/src/main/java/de/marhali/easyi18n/io/properties/PropertiesArrayMapper.java b/src/main/java/de/marhali/easyi18n/io/properties/PropertiesArrayMapper.java
new file mode 100644
index 0000000..d5ae196
--- /dev/null
+++ b/src/main/java/de/marhali/easyi18n/io/properties/PropertiesArrayMapper.java
@@ -0,0 +1,23 @@
+package de.marhali.easyi18n.io.properties;
+
+import de.marhali.easyi18n.io.ArrayMapper;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+/**
+ * Map for 'properties' array values.
+ * @author marhali
+ */
+public class PropertiesArrayMapper extends ArrayMapper {
+    public static String read(String[] list) {
+        return read(Arrays.stream(list).iterator(), Object::toString);
+    }
+
+    public static String[] write(String concat) {
+        List<String> list = new ArrayList<>();
+        write(concat, list::add);
+        return (String[]) list.toArray();
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/de/marhali/easyi18n/io/properties/PropertiesMapper.java b/src/main/java/de/marhali/easyi18n/io/properties/PropertiesMapper.java
index 472416e..b8671ae 100644
--- a/src/main/java/de/marhali/easyi18n/io/properties/PropertiesMapper.java
+++ b/src/main/java/de/marhali/easyi18n/io/properties/PropertiesMapper.java
@@ -2,9 +2,10 @@ package de.marhali.easyi18n.io.properties;
 
 import de.marhali.easyi18n.model.Translation;
 import de.marhali.easyi18n.model.TranslationData;
+import de.marhali.easyi18n.model.TranslationNode;
 import de.marhali.easyi18n.util.StringUtil;
 
-import org.apache.commons.lang.StringEscapeUtils;
+import org.apache.commons.lang.math.NumberUtils;
 
 import java.util.Map;
 
@@ -14,20 +15,20 @@ import java.util.Map;
  */
 public class PropertiesMapper {
 
-    // TODO: support array values
-
     public static void read(String locale, SortableProperties properties, TranslationData data) {
         for(Map.Entry<Object, Object> entry : properties.entrySet()) {
             String key = String.valueOf(entry.getKey());
-            String content = StringUtil.escapeControls(String.valueOf(entry.getValue()), true);
+            Object value = entry.getValue();
 
-            Translation translation = data.getTranslation(key);
+            TranslationNode childNode = data.getRootNode().getOrCreateChildren(key);
+            Translation translation = childNode.getValue();
 
-            if(translation == null) {
-                translation = new Translation();
-            }
+            String content = value instanceof String[]
+                    ? PropertiesArrayMapper.read((String[]) value)
+                    : StringUtil.escapeControls(String.valueOf(value), true);
 
             translation.put(locale, content);
+            childNode.setValue(translation);
         }
     }
 
@@ -36,8 +37,15 @@ public class PropertiesMapper {
             Translation translation = data.getTranslation(key);
 
             if(translation != null && translation.containsKey(locale)) {
-                String content = StringEscapeUtils.unescapeJava(translation.get(locale));
-                properties.put(key, content);
+                String content = translation.get(locale);
+
+                if(PropertiesArrayMapper.isArray(content)) {
+                    properties.put(key, PropertiesArrayMapper.write(content));
+                } else if(NumberUtils.isNumber(content)) {
+                    properties.put(key, NumberUtils.createNumber(content));
+                } else {
+                    properties.put(key, content);
+                }
             }
         }
     }