1. With your slideshow open, you can see version history of this slideshow by clicking on File, Version history, and See version history.
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2. You can also get into the same version history by clicking on top of your screen at last edit.
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3. On the right side of your screen, you can see the history of this slideshow.
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4. If you want to save a specific version to access more easily in the future, you could click on the version and rename it.
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5. If you want to make a copy or rename one version, click on the three dots.
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6. And choose an option.
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7. To get back into the slide show, click on the arrow at the top left corner of your screen.
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8. That's it. You are done
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