Paul - Same type of problem. Using Animation on slides to follow block diagrams (highlighted lines and rectangles) Up to 10 per slide and it runs fine locally. Using MS Teams the slide show runs great when demonstrated to one user. With 8-10 attendees connected, in various areas of the US, PowerPoint will freeze for up to 1 minute. Is it a safe to say it is the total latency added up for ALL users causing the issue?