Block OneDrive / SharePoint Files Being Openned Outside Your Company

Do you want to stop staff from sharing files with people outside of your company? Perhaps you want a SharePoint Tutorial to show you how to allow staff to share files with people outside of your company?
In this short video we show you how to disable the sharing of files with people outside of your company and by extension we show how to enable file sharing with people outside your company.
This is a short SharePoint Onedrive tutorial on how to tighten up your Microsoft 365 OneDrive and SharePoint security.