'What is a keychain password?': How to navigate Apple's Keychain Access app and change your password

A keychain password is the master password for your Mac's "Keychain Access" app, which stores your usernames and passwords.

How to delete saved passwords on your Mac computer, either one-by-one or all at once

You may want to delete a saved password on your Mac if you no longer use the account or don't want to have that password on ...