In an Outline document you can paste an exported url from a Diagrams.net (also known as draw.io) diagram and it will be shown embedded in your document.

How to Embed

  • Open your diagram
  • In the top menu go to File -> Export as -> URL…
  • Click "Create" in the next window
  • Paste the url into Outline

diagrams

This integration works without any additional settings or authentication.