If you don't want someone to open your PowerPoint presentation, you can restrict it by setting an open password.
Execute the Tools Options command, open the Options dialog box, switch to the Security tab, set a "password to open", press the "OK" button, in the subsequent pop-up dialog box, repeat the password, make sure to return, and then save the presentation.
① This is a new addition to PowerPoint2002 and its subsequent versions.
② If you set the Modify password, the changes you made to the open presentation cannot be saved to the original document without a password
The actual operation of the animation demo process is as follows
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