Can I change my login email?

Yes, in a few ways, depending on how much you need to carry over from the old address.

1. Forward your email. Set up forwarding from your account email to your preferred address (Gmail and Outlook both support this). You still sign in with the original email, but the sign-in link arrives wherever you want. Takes a couple of minutes and nothing needs to migrate: the account itself never changes, so your project, analysis history, Monitoring schedule, and billing history all stay exactly as they are.
2. Start a new account. Cancel your current subscription and sign up again with the email you want. This is a clean break, not a migration: your existing project, analyses, Monitoring schedules, and billing history stay on the old account and do not carry over. Use this only if starting fresh is genuinely fine.
3. Ask us to move it for you. Contact us with the new email you'd like to use. This is the only option that keeps everything under the same account with a new login: we confirm you control the new address, then switch it by hand. It's the slowest of the three, since it's handled manually on our end, so it can take a while, but nothing gets left behind.

If you're handing the account to someone else entirely, see how do I transfer my account to someone else? instead. If you only need invoices sent to a different address, see how do I change my billing email?.