[verified] Free Visio Link -
For those who prefer offline, desktop software, LibreOffice Draw is a powerful open-source option. It can open Visio files and offers a range of technical drawing tools without a subscription. Summary: Which Link Do You Need? Use the OneDrive/Web Viewer .
If you have access to the Visio desktop app (even the free trial), follow these steps to generate a link that anyone can click to view the diagram in a browser: free visio link