While objects embedded in your PowerPoint presentation remain unchanged even when the source file changes, linked objects reflect any changes made to the source file.

There isn't a specific automated way to create a PowerPoint stopwatch or countdown timer in PowerPoint, so it isn't straightforward. However, you can display a number on a PowerPoint slide and set ...

To group or ungroup objects in PowerPoint Online, follow these steps- Open a presentation in PowerPoint Online. Insert two or more objects in your slide. Press the Shift key and click on both objects.