I’m not sure if anyone knows this

[trump2024]

But with iOS 17 you can remove your old Apple ID email, before if you created an Apple ID with a Gmail email for example and you create and iCloud mail account you couldn’t remove the old email now you can

 

[Wildkraut]

Btw. this is possible since a few years (+/-5ys) over the AppleID website.

 

[ericg301]

I have no idea what you’re trying to say