The App Store has my old email, how to change it

Hi denmar288,

Thanks for reaching out to Apple Support Communities. It sounds like you're having an issue with changing your email address used with Media & Purchases. We're happy to help.

If you're using a Mac, you can follow the steps here to change the information: Change Media & Purchases preferences for your Apple ID on Mac

You can also view the steps to take after changing your Apple ID or using a different email address as your new Apple ID here: What to do after you change your Apple ID or password

On an iOS device you can navigate to Settings > [Your name] > Media & Purchases to sign out and use the account you prefer. We also recommend checking out the details here for associating devices with your Apple ID. View and remove your associated devices for purchases

Let us know if you have any questions, we hope the information helps.

Cheers!