After putting in my customized form all code I needed, I published my form. The way our organization works with form, is that the published form opened in the same folder as published, user fill out all items and then form approved by his manager and saved in the same folder. In Item_Open event I included code to make checkbox "Manager Approved" disabled after manager checked checkbox and saved the form. This works fine and after director of department open the form again, checkbox "Manager...
Opening a saved Outlook customized form after moving to another folder
Opening a saved Outlook customized form after moving to another folder