How to delete slides in PowerPoint
Deleting slides in PowerPoint is maybe one of the easiest tasks to achieve. If you are creating a PowerPoint presentation and added more slides than the quantity you need or have some duplicated slides that need to be removed, then you can remove the slides in PowerPoint using the following method.
Right click on the slide (under the slide sorter) that you want to delete and then click on Delete Slide.
This way, your slide will be removed from your PowerPoint presentation and no longer exist there.