Using your email address to sign in to RingCentral
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You can sign in to the RingCentral app and Admin Portal with your email address in addition to your phone number. To sign in with your email address, it must be saved in your extension details and verified as unique.

Updating the login to your email address
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To use your email address to sign in to RingCentral, you or an admin must turn on the Use email to log in feature.

* Sign in to the [Admin Portal](https://service.ringcentral.com "").
* Click the **Settings** tab.

  Note: If you have admin permissions, click the **Admin Portal** dropdown at the top right, then go to **My Extension** to access **Settings**.

* Click **User Details**.
* In the Email field under the **General** tab, check **Use email to log in**.
* Click **Save** .

  Note: Once this feature is turned on and saved, the **Use email to log in** checkbox will no longer appear in your **User Details** and can't be turned off.

  ![](https://assets.ringcentral.com/content/dam/xml-assets/sf-migration/en_US/RC_US/RingCentral_MVP/9163/images/1-Use-email-to-log-in-user-view.png)

Updating a user's email address as an admin
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Admins have permission to turn on the email login feature for other users. They can also verify that the email address is unique across the system.

* Sign in to the [Admin Portal](https://service.ringcentral.com "").
* Click the **Users** tab.
* Under**Users with Extensions** (a), click the user's name (b).
* Click **User Details**.
* In the Email field under the **General** tab, check **Use email to log in** . Click **Verify Email Uniqueness** to make sure the email address isn't being used by another user extension.
* Click **Save** .

  Note: Once this feature is turned on and saved, the **Use email to log in** checkbox will no longer appear in the User Details and can't be turned off.

  ![](https://assets.ringcentral.com/content/dam/xml-assets/sf-migration/en_US/RC_US/RingCentral_MVP/9163/images/2-Use-email-to-log-in-admin-view.png)

Addressing duplicate email addresses
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If an email added to a user extension is already associated with another user, an alert will appear stating the email is already in use.

Duplicate email addresses are identified when an admin clicks**Verify Email Uniqueness** in the extension's User Details. The admin can then view and edit a list of duplicate email addresses in the **Duplicate Email Association** popup.

![](https://assets.ringcentral.com/content/dam/xml-assets/sf-migration/en_US/RC_US/RingCentral_MVP/9163/images/3-Duplicate-Email-Association-Admin-Portal.png)

Using Google to sign in to RingCentral
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If your admin has integrated your Google Cloud Directory, you can use the Google option to sign in to RingCentral.

![](https://assets.ringcentral.com/content/dam/xml-assets/sf-migration/en_US/RC_US/RingCentral_MVP/9163/images/4-Google-sign-in-RC.png)

You need to authorize the connection between Google Workspace and RingCentral to proceed. This option isn't available if your account uses Single Sign-on (SSO) or hasn't been connected to your organization's Google Cloud Directory.