If you need to present in an online meeting, you can show your PowerPoint slides right from a Microsoft Teams meeting.
If you're a presenter:
1. Select Share content.
2. Select a presentation under the PowerPoint category.
3. Navigate the presenter's view:
Current slide: Shows the current slide you're on.
Slide notes: Show notes you've prepared in your presentation.
Thumbnail strip: Choose a thumbnail to move to that slide.
If you're a meeting participant:
1. Select an arrow key to Navigate forward or to Navigate back without interrupting the presenter.
Note: The presenter must share the file from the PowerPoint category in order for participants to skip around during a presentation.
2. Select To presenter to sync your view back to the presenter's when you want.
Learn more: https://support.microsoft.com/en-us/office/tip-show-powerpoint-slides-in-a-meeting-ddfc73dd-b957-4f2b-8e42-ce078f51873c