Default data directories

Firo-QT/firod/firo-client

Windows: C:\Users\YOURUSERNAME\AppData\Roaming\firo
Linux: ~/.firo
MacOS:  ~/Library/Application\ Support/firo/

Electrum-Firo

Windows: C:\Users\YOURUSERNAME\AppData\Roaming\Electrum-FIRO
Linux: ~/.electrum-firo
MacOS: ~/.electrum-firo

Electrum-XZC

Windows: C:\Users\YOURUSERNAME\AppData\Roaming\Electrum-XZC
Linux: ~/.electrum-xzc
MacOS: ~/.electrum-xzc

Znode-Tool

Windows: C:\Users\YOURUSERNAME\.znode-tool
Linux: ~/.znode-tool
MacOS: ~/.znode-tool

Accessing the default data directory on MacOS

Open Finder, press Shift ⇧ + cmd ⌘ + G and enter /Users/YOURUSERNAME/Library/Application Support/firo