- Install the Amazon Photos Amazon Clour Drive application. When it asks you to sync from your cloud to your local, choose any folder in your hard drive.
- Then, turn off the the application
- Plug your external hard drive in.
- In your Finder, go to:
/Users/USER_NAME/Library/Application Support/Amazon Cloud Drive
- Open file amzn1.account.#########-settings.json with your text editor, you will see somethings like this: