To block printing in Excel

hi, Mario !

I need to block to the impression of one Sheets in excel
When I open a book to impide that this it is primed

- how many worksheets are in your workbook ?
- which one/s do you need to block from printing ?
- how could we repro your environment (exactly) ?

regards,
hector.

p.s. do you really speak (only) in english ?
(you are posting to an spanish ng)