After the first time you have launched Harmony, your preferences, along with numerous other options and switches in the user interface, are stored in a hidden directory on your computer.
Depending on your operating system, and whether or not you are using Harmony Stand Alone or Harmony Server, you can find your preference files in the following location:
Windows: C:\Users\[username]\AppData\Roaming\Toon Boom Animation\Toon Boom Harmony [Edition]\full-1700-prefNOTE On Windows, the AppData folder is hidden. To display it in Explorer, in the top menu, open the View pane and check the Hidden Items checkbox.
macOS: /Users/[username]/Library/Preferences/Toon Boom Animation/Toon Boom Harmony [Edition]/full-1700-prefNOTE On macOS, the Library folder is hidden. To display it in Finder, hold down the Alt key.
- GNU/Linux: /home/[username]/Toon Boom Animation/Toon Boom Harmony [Edition]/full-1700-pref/
When using Harmony Server, preferences are stored in your Harmony Server account's user space on the database server, in the following path: