How to Change Apple Id Name on Mac?

Set up your Apple ID Name, Phone, and Email Information on ...

On your Mac, choose Apple menu > System Preferences, click Apple ID , then select Name, Phone, Email in the sidebar. If you havent signed in to your Apple ID, click Sign In and type your Apple ID information. Follow the onscreen instructions. Name: Click Edit.

How do I Rename my Apple ID on my Mac?

Click the System Preferences icon in the Dock or Apple icon > System Preferences from the menu bar.
In System Preferences, select Sharing.
Next to Computer Name, enter the name you want to use for your Mac, and hit Return.

Can I Rename my Apple ID?

You can change your Apple ID Name at My Apple ID. Click on Manage your Apple ID and sign in with your Apple ID name and password. Click Edit and enter the new information, then click Save Changes. Changes take effect immediately.

Why Can't I Change my Apple ID Name?

You will however not be able to change your Apple IDs name from the third party email address you used upon signup to your newly created iCloud email address. Your Apple IDs name can only be changed to another third party email that is not already in use by another Apple ID.