If you don't know the old password try to enter your Mac Login password. Your password will be updated successfully.

Here enter old password in current password field and new password in other fields then press 'OK'. If your password is correct it will pop-up new windows. Now enter the old password and Click 'OK'. Now Click on Change Password for Keychain 'Login'. From Keychain Access app on your mac, find 'Login' from keychain list and click. Follow couple of steps below and your password will be updated. If you have old password, updating password will be easy. Suppose your old office colleagues knew your keychain password and now you want to update it so that no one could access your Mac Keychain except you. Change Keychain Password if You Remember Old Password Only follow the procedure and your password will be updated or changed. User confront with multiple situations either they want to update old password with new one or they want to change the forgotten password. The way to update keychain password is to change the password. Keeping reading to check it out! How to Change and Update Keychain Password on Mac In this article, we will focus on Mac change keychain password and update keychain password. But if your Mac login password is changed by administrator, your keychain password may not be changed and you will be asked to enter keychain password next time you login. It automatically changes as you change Mac password from User & Group Preferences. By default your Mac login password is your keychain password as well. By using keychain you can save all your passwords on Mac.

For Mac users, apple provide its user built-in password manager named keychain.

How to reset keychain password on mac