Add users who have existing Google Accounts

Before you add users to your organization's Google domain, check if they have a personal Google Account with the same email address that you plan to use for their managed Google Account. Two accounts can’t share the same email address.

Conflicting accounts most commonly occur if users sign up for free (or consumer) Google services before your organization signs up for a managed Google Account.

Learn more about conflicting accounts.

What isn't a conflicting account

Personal Google Accounts that don't use your organization's Google address as the primary or alias email address. For example, a personal Gmail account ( isn't a conflicting account.

As a G Suite administrator, these are the two options you have for users with a conflicting account:

  • Option 1: Invite your users to transfer or rename their existing account (using a tool in the Google Admin console). 
  • Option 2: Require users to rename their existing account.

Option 1: Invite users to transfer their account 

You use the Transfer tool in the Admin console to:

  1. Check whether any users in your organization have existing personal Google Accounts that share your organization's email address.

    If no one does, you don't need the tool. Instead, go to Options for adding users.

  2. Use the tool to email the users that share your organization’s email address.
  3. Request that the users transfer their existing Google Account to your organization's managed Google Account or rename their personal Google Account.

For details on using the Transfer tool for unmanaged users, see Find and manage existing Google accounts.

Option 2: Require users to rename their account

First, you need to add users to your managed Google Account using the email address that they used for their personal account. For details, see Options for adding users.

Then, the next time the user signs in to their personal account, they're asked to change the email address associated with that account. They have the following options:

  • Rename the personal account with a new Gmail address.
  • Rename the consumer account with a non-Gmail address that the user already owns.
  • Sign in with a temporary username that Google provides (for example,

If the user chooses the last option, they'll be prompted to rename the account every time they sign in, until they select a permanent solution (new Gmail or non-Gmail address). Users have full control over renaming their personal accounts—administrators don't participate in this process.

What happens to the user's data when they rename their account?

When the user renames their personal account with a different email address, all data in the user's personal account remains in the account. The data in the personal account remains safe and accessible only to them.

What happens with email aliases when users rename their account?

If the user used their organization’s address as an alternate email address (or email alias) for their personal Google Account, the alias is removed from the personal account when you create their managed Google Account. The user is notified of this change the next time they sign in to their personal Google Account.

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