Apple Books

Apple Books Version: OS 26.0 or later

1. Open the book you want to import highlights from in the app, then tap "Bookmarks & Highlights" in the bottom-right corner
2. Switch to "Highlights", tap the button in the top-left to select, and choose all the highlights you want to import. You can quickly select by dragging with two fingers
3. Tap the share button in the bottom-left and choose Mail (you may need to set up a mail account first)
4. Copy all the content from the email (content may appear incorrectly in Dark Mode, but copy everything anyway)