diff --git a/core/src/com/riiablo/codec/excel/Excel.java b/core/src/com/riiablo/codec/excel/Excel.java
index c5cfb2c0..d6c82c2f 100644
--- a/core/src/com/riiablo/codec/excel/Excel.java
+++ b/core/src/com/riiablo/codec/excel/Excel.java
@@ -67,15 +67,17 @@ public abstract class Excel<T extends Excel.Entry> implements Iterable<T> {
     @Retention(RetentionPolicy.RUNTIME)
     public @interface Column {
       /** Used to index format */
-      int    startIndex()  default 0;
+      int     startIndex()  default 0;
       /** Used to index format */
-      int    endIndex()    default 0;
+      int     endIndex()    default 0;
       /** Format of column name, if not set, then field name is used */
-      String format()      default "";
+      String  format()      default "";
       /** Used to index format not non-numerical indexes */
-      String values()[]    default {};
+      String  values()[]    default {};
       /** Sets index of column of value (used for cases like weapons.txt where one column has no name) */
-      int    columnIndex() default -1;
+      int     columnIndex() default -1;
+      /** Whether or not to read/write value in bin codec */
+      boolean bin()         default true;
     }
 
     @Target(ElementType.FIELD)
diff --git a/tools/src/com/riiablo/codec/excel/ExcelGenerationTool.java b/tools/src/com/riiablo/codec/excel/ExcelGenerationTool.java
index 6ef1d222..db4da947 100644
--- a/tools/src/com/riiablo/codec/excel/ExcelGenerationTool.java
+++ b/tools/src/com/riiablo/codec/excel/ExcelGenerationTool.java
@@ -15,6 +15,8 @@ public class ExcelGenerationTool {
     Field[] fields = clazz.getFields();
     for (int i = 0; i < fields.length; i++) {
       Field field = fields[i];
+      Excel.Entry.Column column = field.getAnnotation(Excel.Entry.Column.class);
+      if (!column.bin()) continue;
       Class type = field.getType();
       if (type.isArray()) {
         type = type.getComponentType();
@@ -29,6 +31,7 @@ public class ExcelGenerationTool {
     for (int i = 0; i < fields.length; i++) {
       Field field = fields[i];
       Excel.Entry.Column column = field.getAnnotation(Excel.Entry.Column.class);
+      if (!column.bin()) continue;
       Class type = field.getType();
       if (type.isArray()) {
         type = type.getComponentType();