What is .FZ file extension?
File created by Fritzing, an open source application used for electronics design; saves the breadboard, schematic, and PCB views for the design; can also save floating notes on top of the design, which helps annotate design decisions.
FZ files can also be saved as .FZZ files, which are compressed projects used for sharing designs with others.
You can see a list of software programs here on www.easyfileopener.org that can open this file type so that you don’t need to search for it on the web. You can then open your file with this extension using a software listed below.