You can't customize them. You can create your own dialogs and display them instead of the defaults.

>When export report button clicked then the export report function dialog box appear .. I had 2 simple questions regarding to this function:
>
>1. How to customize the caption of the export report dialog box?
>2. After file name entered, also how to customize the caption of the message box ?
>
>I need advice .. thanks
>
>Winanjaya