how to lock or protected PPT file?

[kenfelsco]

Hi guy I have a question to ask ,it there any format or how to protected or lock my PPT file ?

and can not to copy to other computer?

....when I pass to my staff how to protected the file can not let other people to copy it? if can copy can not open the file?

[Martin L]

which version of ppt?

[kenfelsco]

2007 ppt