When you enable contact data recognition, TextEdit automatically detects location data (for example, “123 Main Street” and “Cupertino, CA”) and phone numbers (for example, “408-555-1000”) when you move the pointer over them.
TextEdit outlines the data as a field with a pop-up menu. Click the arrow and choose an option to instantly create or update an Address Book contact, view a map, and view an enlarged version of the contact information.
To enable contact data recognition in the current document, choose Edit > Substitutions and then select Data Detectors in the submenu.
To enable contact data recognition in all new documents, choose TextEdit > Preferences, click New Document, and then select “Data detectors” under Options.