1. Open an existing company following Open Company.
    2. Click "Utilities" from menu-bar & select Update Bulk Entries > Change Code In Assembly Item and following window will appear.


 Assembly Item

 Select the assembly item.

 From Item

 Select the item you want to change from.

 To Item 

 Select the item you want to change to.

 Check All Sub Assembly Items

 Enable if you want to check sub assembly items.


    1. Fill the details and click on "Change", the assembly item codes will be updated.