Fz File — Viewer
Because FZ files are based on XML format, you can open them with a text editor like Notepad++ or TextEdit. You won't see the visual schematic, but you can read component data.
This comprehensive guide covers everything you need to know about opening FZ files, the best tools to use, and how to troubleshoot common viewing issues. What is an FZ File? fz file viewer
Standard operating systems like Windows, macOS, or Linux do not have built-in tools capable of rendering the circuit diagrams stored inside an FZ file. Attempting to open it in a basic text editor like Notepad will only display raw XML code. Because FZ files are based on XML format,
A free online tool that lets you design and simulate circuits. What is an FZ File
FZ File Viewer: The Complete Guide to Opening Fritzing Files
If you do not want to install heavy CAD software, universal file openers can help you inspect the metadata or internal structure of the file: