Hi @Mia Lantj ,
From where are you expecting an email? Are you referring to your Microsoft account?
Change the email address or phone number for your Microsoft account
https://support.microsoft.com/en-us/account-billing/change-the-email-address-or-phone-number-for-your-microsoft-account-761a662d-8032-88f4-03f3-c9ba8ba0e00b
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Best regards,
Leon