Change AutoFill preferences in Safari on Mac
In the Safari app on your Mac, use AutoFill preferences to fill in contact information, usernames and passwords, credit card information and other forms on web pages. To change these preferences, choose Safari > Preferences, then click AutoFill.
Using information from my contacts
Complete forms with information from any contact card in Contacts. To view or edit information, click Edit.
User names and passwords
Save usernames and passwords you enter on web pages, then easily fill in the saved information when you revisit the same web pages.
Click Edit to view or edit your saved information.
Save the credit card number, expiry date and cardholder name you enter on web pages, then easily fill in the saved information when you use the card again.
Click Edit to add or remove saved credit cards, or to change the information for a saved credit card.
Save information you enter on web page forms, then easily fill in the saved information when you revisit the same web pages.
Click Edit to see or remove websites for which Safari has saved AutoFill information.