Tools/Protection/Protect Sheet (cells should have their Locked property
set by default).

However, even if you enter a password, it's trivial to bypass:

http://www.mcgimpsey.com/excel/removepwords.html


So assume that anyone who has access to your workbook has access to
everything in it.

In article ,
mike wrote:

Hello everybody, I just want to ask how to protect our worksheet. I mean if
somebody who open my worksheet, he/she can read only. They can't change or
save the worksheet.

thanks