
Change settings in Books on Mac
In the Books app  on your Mac, use settings to set default options for using Books.
 on your Mac, use settings to set default options for using Books.
To change these settings, choose Books > Settings, then click General, Reading, Playback or Advanced.
General settings
| Option | Description | 
|---|---|
| Download new purchases automatically | Automatically download new purchases (including free ones) made on other devices. The same Apple ID must be used in Apple Books on all your devices. | 
| Reading Now | Sync information about what books and audiobooks you’re reading across your Apple devices. | 
| Collections, bookmarks and highlights | Sync collections, bookmarks, highlights and recent book information across your Apple devices. | 
| Enable Reading Goals | View time spent reading and other achievements. | 
| Clear Reading Goals Data | Clear data about your time spent reading and reading streaks. | 
Reading settings
| Option | Description | 
|---|---|
| Full Justification | Read books with text aligned on both the left and right. The words are spaced to fit the columns. This option is not available for larger font sizes. | 
| Auto-hyphenation | Automatically hyphenate words that are too long to fit on one line. When this option is not selected, words may have large spaces between them. | 
| Extend by 10 minutes while reading | Extend the time before the display sleeps by 10 minutes while reading. | 
Playback settings
| Option | Description | 
|---|---|
| Skip Forward | Choose the number of seconds to skip forward when you click the skip button. | 
| Skip Back | Choose the number of seconds to skip back when you click the skip button. | 
| Headphone Controls | Select what happens when you use headphone controls (for example, double-tapping either of your AirPods). 
 | 
Advanced settings
| Option | Description | 
|---|---|
| Include store results when searching | Include results from the Book and Audiobook Stores when searching. | 
| Reset Access to Online Content | Clear permission for books to access publisher’s content from the internet. | 
| Reset Identifier | Reset the identifier used to report aggregate app usage statistics to Apple. |