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Google Apps is now G Suite. Same service, new name. More about the name change.

Name and password guidelines

When choosing usernames and passwords for users and groups you add to your Google Cloud account, consider the following:

  • Usernames can contain letters (a-z), numbers (0-9), dashes (-), underscores (_), apostrophes ('), and periods (.).
  • Usernames can't contain an ampersand (&), equal sign (=), brackets (<,>), plus sign (+), comma (,), or more than one period (.) in a row.
  • Usernames can begin or end with non-alphanumeric characters, with a maximum of 64 characters.
  • Passwords can contain any combination of ASCII characters and must contain a minimum of 8 characters.
  • First and last names support unicode/UTF-8 characters, with a maximum of 60 characters.
  • Periods (.) are not ignored as they are in a gmail.com account. If you create a user account called username, this user will not be able to receive messages addressed to user.name, or us.er.na.me, or any other combination of periods. To let a user receive mail with these variations, create an email alias for them.
Because abuse and postmaster are reserved aliases, you cannot use them as usernames or aliases. (Learn more)
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