How to Change the MacOS login Keychain Password
- Open Keychain Access located under /Applications/Utilities.
- Right-click login and choose Change Password for Keychain login.
- A new window appears asking for the Current password and New Password
- Type the Old password in the Current Password field.
- In the New Password field, type the password that matches your current SESYNC account password.
- Re-enter the New Password in the Verify field and then click OK.