Is your slideshow completely animated? Why press a button to launch it?

Directly from PowerPoint, you can create a video of your slideshow and make animated GIFs.

Turn your slideshow into a video

On the File menu, click Export and then Create a Video.

Choose the resolution as well as the narration and timing settings.

The generated file is in .mp4 format.

Create an Animated GIF

On the File menu, click Export and then Create an Animated GIF.