Powerpoint tip:

Preventing slide content change

If you have creating a presentation and someone else is delviering it, you may want to work the presentation so that the slide content cannot be changed.

To do this you can convert the slides into a PNG Portable Network Graphics Format (better than others -takes less memory up). Click on saVae as and change the save as type to PNG.
You will then be given the option to save the slide you are on, or all slides.

Create a new presentation and then Insert the saved PNG files into the new presentation. This way no one can change your slides, the way they were meant to be

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