Is it possible to protect powerpoint presentations from being edit

[Guest]

I'm doing a paid slide presentation and the client now wants a version in
portuguese... and I don't want them to interfere with it by making the
translation themselves.

 

[Steve Rindsberg]

I'm doing a paid slide presentation and the client now wants a version in
portuguese... and I don't want them to interfere with it by making the
translation themselves.

This explains some of the options you have for protecting the presentation:

Password protect a presentation
http://www.rdpslides.com/pptfaq/FAQ00038.htm