How to change the background of your PowerPoint slides 1. Open PowerPoint on your Mac or PC and create a new presentation or open one you've already started.

Note: If Mirror my video had been selected in your Zoom video settings, setting a Powerpoint as a Virtual Background will disable this feature for the duration of the slide sharing. 5. If your image ...

Note: If Mirror my video had been selected in your Zoom video settings, setting a Powerpoint as a Virtual Background will disable this feature for the duration of the slide sharing. 5. If your image ...