Change apple id from mobile number to email id
How to change my Apple ID from a mobile number to an Email ID?
How to change my Apple ID from a mobile number to an Email ID?
You can see if the article Change your Apple ID - Apple Support lets you do this but you may also wish to read the article Use your mobile phone number as your Apple ID - Apple Support The second article talks about changing an email addresss ID to a mobile ID, and changing a mobile ID to a mobile ID, but does not mention changing a mobile ID to an email ID. If you encounter problems, I suggest asking Apple if this is possible (and please post back here if it is).
If you still have questions or problems:
Contact Apple. Click here --> https://support.apple.com/choose-country-region Select your country, then a product. If you don't see one that handles your issue then keep experimenting with selections until you reach one that gets you a chat session or a telephone call and get the representative to redirect you.
or:
Contact Apple for support and service --> "See a list of Apple phone numbers around the world."
Click here --> https://support.apple.com/HT201232
The details about modifying your account details are explained in the below link:
Change apple id from mobile number to email id