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How to change a username
Your username is the email address you use to log in to your FastMail account. All admin users can rename user accounts.
To rename an account:
- Go to the Settings → Users screen.
- Type in your password at the top of the screen and click Unlock so you can make changes.
- Click the Edit button on the user you want to rename.
- Rename the user.
- Check your new name and domain to make sure it's exactly what you want.
- Remember to Save.
Note: when you rename an account, the old address will be automatically added as an alias. This means emails can still be sent and received to/from the old address.
If you don't want to receive emails sent to the old address, delete the alias on the Settings → Aliases screen.
Why can't I have a dot in my username?
Due to an internal technical limitation, we cannot allow dots (
.) in usernames at FastMail domains. However, we do support dots in usernames at your own domain. We also allow them in aliases, even at FastMail domains.