Please see this article.
http://vil.nai.com/vil/submit-sample.aspx
One should not have to purchase third party software on a new OS when it was
included in the predecessor.
"Michael" wrote:
> Vista no longer password protects its zip files (it will unzip a password
> protected zip however).
>
> Michael
>
>
> "Gabriel Simmons" <GabrielSimmons@discussions.microsoft.com> wrote in
> message news:CB5A489C-46FF-4FDD-A786-4EA3C403634F@microsoft.com...
> > How does one password protect a compressed zip file in Windows Vista?
> > This was an option in Windows XP, but now it seems to be missing from
> > Windows Vista options......
>
>