How to change your Apple ID on an iPhone

If you stop using your Apple ID's email address, you can change it on your iPhone to protect your account and continue using ...

How to add a phone number to iMessage on a Mac, and receive messages on your computer

You can add your iPhone's phone number to iMessage on your Mac computer with a few quick steps on your iPhone and Mac. Here's ...
Macworld

How to remove a phone number from your Apple ID account without the phone

We once had to shed our phone number when we changed wireless providers or moved–sometimes even moving from one part of a town to another. One of the great changes in mobile phones since their ...
MacRumors

New Apple ID Sign-In Options: Phone Number on File or Trusted Device

The upcoming iOS 17, iPadOS 17, and macOS Sonoma updates for the iPhone, iPad, and Mac include a couple of new sign-in methods for an Apple ID account. First, it is now possible to sign into an Apple ...