Encrypt with a Password You can encrypt a presentation with password. A strong password includes numbers and letters. It should NOT include your last name.   7. Try it: Encrypt with Password Go to File ->Info-> Protect Presentation. Click on: Encrypt with Password. Type: password Click OK. Confirm the Password. Type: password Click OK.   Try This, Too: Test the Password. Save the presentation. Close and Open the presentation. When you open a presentation that is password protected, you will be required to enter the password. Keep going. Memo to Self The screen reminds you to keep a list of your passwords: write it down! There is no UNDO for passwords, neither is there a secret password recovery program. This is real security. File ->Info-> Protect Presentation->Encrypt with Password Exam 77-883: Microsoft PowerPoint 2010 7. Preparing Presentations for Delivery 7.4. Protect presentations: Encrypt with a Password Never use PASSWORD as a password. A password needs at least 8 characters and it should include letters and numbers.