What is Microsoft Stream

Microsoft Stream is an Enterprise Video service where people in your organization can upload, view, and share videos securely. You can share recordings of classes, meetings, presentations, training sessions, or other videos that aid your team's collaboration.

https://www.microsoft.com/en-ww/microsoft-365/microsoft-stream

Helpful links

1. Getting started with Microsoft Stream

2. Examples of how to organize groups and channels in Microsoft Stream
3. Using Microsoft Stream on mobile
4. FAQ