All your PowerPoint files which are uploaded, created, or saved on OneDrive can be edited anytime, right within the PowerPoint Online web app that runs within your browser. But that’s not the only way you can edit these PowerPoint files. Yes, OneDrive also provides you the option to edit it within the PowerPoint desktop application on your Mac. In this tutorial we’ll explore how to open a file in your PowerPoint desktop applications from within OneDrive. You will need to have the latest versions of PowerPoint installed on your Mac operating system.