Firefox lets you automatically fill in your address and credit card information on forms (for example, when you're ordering something online) so you don't have to type them in each time.

Turn autofill on or off

1. In the Menu bar at the top of the screen, click Firefox and select Settings (select Preferences on older macOS versions).Click the menu button and select Settings.
2. Click the Privacy & Security panel.
3. In the Forms & Passwords section, put a check mark next to the information you want to automatically fill in:
   • Autofill addresses
   • Autofill credit cards

   

Add, edit or remove your saved addresses

Use this setting to add, remove or change saved addresses in Firefox.

1. In the Menu bar at the top of the screen, click Firefox and select Settings (select Preferences on older macOS versions).Click the menu button and select Settings.
2. Click the Privacy & Security panel.
3. Click the Saved Addresses… button.
4. Choose one of the following:
   • Add…: Enter a new address using this button.
   • Edit…: Select the address you want to change, then click Edit to change it.
   • Remove: Select the address you want to delete, then click Remove.
5. Click the x to save your changes and close the window.

Add, edit or remove credit card information

Use this setting to add, remove or change saved addresses in Firefox.

1. In the Menu bar at the top of the screen, click Firefox and select Settings (select Preferences on older macOS versions).Click the menu button and select Settings.
2. Click the Privacy & Security panel.
3. Click the Saved Credit Cards… button.
4. Choose one of the following:
   • Add…: Enter a new credit card using this button.
   • Edit…: Select the credit card you want to change, then click Edit to change it.
   • Remove: Select the credit card you want to delete, then click Remove.
5. Click the x to save your changes and close the window.