This article describes how to share PowerPoint presentations in Microsoft Teams Meetings and Webinars using PowerPoint Live, Teams Live Events, and Google Meet.
Sharing presentations in Teams Meetings and Webinars is done using PowerPoint Live. Once you are in the meeting and you are ready to share your presentation,
At this point, anyone in the audience will be seeing the presentation slide. Audience members will have access to the Grid View, View slides in high contrast, and the Translate slides options. With the Grid View option, they can move through the slides independently of the speaker and then sync back when they are ready.
The easiest way to share a PowerPoint presentation within Google Meet is to ensure the presentation is running as a Slide Show before you attempt to share your screen.