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Mac
- Open the Safari menu.
- Select Preferences.
- Switch to the Autofill tab.
- Click the Edit button for Usernames and Passwords.
- Delete the unwanted password.
iOS/Mobile
- Open the Settings app
- Select Safari
- Under General, select Passwords & Autofill
- Select Saved Passwords
- To view the password, tap the webpage and enter in your phone's passcode. To delete select the Edit button and choose Delete for any websites that should be forgotten.