Share And Co Author Presentation In. Unless its blocked or turned off by an administrator Co-authoring with Office is turned on by default in OneDrive and SharePoint. Below MS Office files can be co-author Documents.

Reputations can be discredited if peoples names appear on a paper they have neither written nor reviewed and approved. Co-authoring starts automatically when multiple people open the same presentation saved in OneDrive or SharePoint in Microsoft 365. Learn How to Share and Co-author in PowerPoint with Microsoft Creators - YouTube.
In SharePoint online or Office 365 the Co-Authoring is always enabled by default no need to enable manually.
Microsoft office supports co-authoring where more than one person can be working on the same document. Learn more about sharing and collaborating in Microsoft PowerPoint from these community experts. In order to co-author this presentation you need to save it in a place where everyone can access it. You can start co-authoring right away with no need for special configuration or settings.