Change apple id
My Apple ID is an old email, I no longer use. I want to switch it to my gmail... It says its already in use ... I know! Its mine.
iPad Wi-Fi, iOS 9.3.5
If it is telling you it is already in use, that usually means it has been associated with an Apple ID within the last year. You won't be able to use that e-mail address. Get another one and complete the steps below to do a name change.
Change your Apple ID - Apple Support
Apple ID email address or password - What to do after you change I suggest doing this before you change your Apple ID or password.