Keep chapters of audiobook after conversion

Before saving the chapters of audiobooks, you need to set accessibility in Mac preferences. And setting accessibility in Mac preferences on Mac OS 10.9.x is different from Mac OS earlier. You have to check the settings as follows.

Section 1: Save the chapters on Mac OS 10.9.x or later

General settings

Click the app menu and select Preferences to customize the Chapters Settings. When you select the option Keep chapters, then you will see the following dialog popup.

Option for Mac OS 10.9 or later

Then click Open System Preferences button and click the lock icon to make changes in the Security & Privacy window. Then Select the Accessibility in the left side area and check the app checkbox on the Privacy pane.

Security & Privacy window

Section 2: Save the chapters on Mac OS 10.8.x or earlier

When you select the option Keep chapters, then you will see the following dialog popup.

Option for Mac OS 10.8

Then click Open Universal Access Preference button and check the Enable access for assistive devices checkbox in the Universal Access window.

Universal Access window

Tips:
1. The Keep chapters option only works on the original file with the chapters and the output has been set as AAC.
2. If you have already checked the Enable access for assistive devices checkbox, there will be no window pops up when you set Keep chapters option.