How to encrypt PowerPoint presentation

Method One: File menu settings:

1, open the need to encrypt the PPT;

2, select "File" "Save as", the "Save as" dialog box, in the "tool" select "Security Options";

3, in the pop-up dialog box in the "Open password" and "Password to modify" Input password (these two passwords can be the same or different);

4, again confirm the "Open password" and "Password to modify", press "OK" exit the "Save" tab;

5, save the file.

Method Two: Set by the Tools menu:

1, open the need to encrypt the PPT;

2, select the "Tools" menu "Options" command, the "Options dialog box" appears;

3, in the "Options" dialog box, select the "Security" tab, respectively, "Open password" and "Modify the password" in the password, point "OK" exit;

4, again confirm the "Open password" and "Password to modify", press "OK" exit the "Save" tab;

This will be able to the presentation of PPT encryption, so as to achieve the PPT security settings play a certain role