-
Go to File >Â Info.Â
-
Select Protect Presentation, and then choose Encrypt with Password.
-
Enter the password and select OK. Enter the password again when prompted, and then save the presentation to secure it.
Important:Â Forgotten or lost passwords can't be recovered.Â
If you want to lock an object on a slide, see Lock the position of an image or other object.
-
Go to File >Â Passwords.Â
-
Select Password to open or Password to modify.
-
Enter the new password in the New password field, again in the Verify field.
-
Select Set Password and then select OK.
Important:Â Forgotten or lost passwords can't be recovered.Â
If you want to lock an object on a slide, see Lock the position of an image or other object.
Adding a password to your presentation isn't currently possible in PowerPoint for the web. You can, however, add a password in the PowerPoint desktop app.
-
To open the desktop app, at the top of the ribbon, select Editing > Open in Desktop App.
Don't have the PowerPoint desktop app? Try or buy Microsoft 365.
