Panopto has a web based editor that allows you to remove, change and update many different parts of your presentation.
Choose a guide to below
Loading the editor
How do I load the Panopto editor?
Cutting
How do I edit something out of the middle of a Panopto recording?
Trimming
How do I edit the start and end of a Panopto recording?
Videos in PowerPoint / Screen Capture
My PowerPoint presentation had a video in it. How do I improve it’s quality when played back by students?