Keychain Access is a macOS app that stores your passwords and account information. If you enable iCloud Keychain, you can share keychains with all your other Apple devices.
Dennis has over 40 years of journalism experience and has written hundreds of articles. For the past 20-plus years, he's been an online journalist, covering mainly Apple Inc. He's written for MacCentral, MacWorld, MacMinute, Macsimum News, Apple Daily Report, and is now contributing editor at Apple World Today.