Create an Animated GIF:
- Insert ribbon → "Shapes" button → CallOut
- Click within the shape then start typing!
- From "Shape Format" ribbon → choose "Shape Fill" button → select color
- Position in the center of the slide by selecting the object & using the "Shape Format" ribbon → choose "Align Center" + "Align Middle" from the top menu
- Repeat for different slides; considering each slide as 1 video frame
- Select all slides, choose "Transitions" from top menu bar, then set "Advance Slide After" to half a second = "00:00.50"
- select "Save as" → choose "Animated GIF" type or "MPEG4 video" or "Windows video" viewable via "MS-Photos"
Source = https://youtu.be/szbFDKVHkOM
