how to change my appleid from a phone number to a email address?

If you are using your mobile phone number as an email address?

Or if using the mobile number, as your Apple ID? See if this helps:

"If your Apple ID is a phone number.."

You can change your Apple ID to a different mobile phone number.

Main article links to above here:

• Use your mobile phone number as your Apple ID - Apple Support

//support.apple.com/en-us/HT207944#change-appleid

That said, in a different part of same article, may yield more/better

clues; read further to see how it might help. (~ If so.)

Messages from Apple"

"Since there isn't an email address associated with a phone number-based

Apple ID, communications from Apple come to you through Messages on

your iPhone, iPad, or iPod touch, and appleid.apple.com." And read further..

..From beginning to end of this same mobile phone number article..

Not sure if that's at all helpful. ~ But it may.

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