Send and open confidential emails

You can send messages and attachments with Gmail's confidential mode to help protect sensitive information from unauthorised access. You can use confidential mode to set an expiry date for messages or revoke access at any time. Recipients of the confidential message will have options to forward, copy, print and download disabled. 

Note: Although confidential mode helps prevent the recipients from accidentally sharing your email, it doesn't prevent recipients from taking screenshots or photos of your messages or attachments. Recipients who have malicious programs on their computer may still be able to copy or download your messages or attachments.

See how confidential emails work 

In this animation for confidential mode in Gmail, Lisa clicks the confidential mode icon at the bottom of the message, then sends a confidential message to Sam
Note: The content in this animation is currently only available in English.

Send messages & attachments confidentially

Important: If you're using Gmail with a work or school account, contact your admin to make sure that you can use confidential mode.

  1. On your computer, go to Gmail.
  2. Click Compose.
  3. In the bottom right of the window, click Turn on confidential mode .
    Tip: If you've already turned on confidential mode for an email, go to the bottom of the email, then click Edit.
  4. Set an expiry date and passcode. These settings affect both the message text and any attachments. 
    • If you choose 'No SMS passcode', recipients using the Gmail app will be able to open it directly. Recipients who don't use Gmail will get emailed a passcode.
    • If you choose 'SMS passcode', recipients will receive a passcode by text message. Make sure you enter the recipient's phone number, not your own.
  5. Click Save.

Remove access early

You can stop your recipient viewing the email before the expiry date.

  1. On your computer, open Gmail.
  2. On the left, click Sent.
  3. Open the confidential email.
  4. Click Remove access.

Open an email sent with confidential mode

If the sender used confidential mode to send the email:

  • You can view the message and attachments until the expiry date or until the sender removes access.
  • Options to copy, paste, download, print and forward the message text and attachments will be disabled.
  • You might need to enter a passcode to open the email.

I'm using a Gmail account

  1. Open the email.
  2. If sender does not require a SMS passcode:
    • If you use the latest Gmail apps (web or mobile), you will directly see the email when you open it.
    • If you use another email client, open the email, click on the link View the email and sign in with your Google credentials to view the message.
  3. If sender requires a SMS passcode:
    • Select Send passcode.
    • Check your text message for the passcode.
    • Enter the passcode, then select Submit.

I'm using another email account

  1. Open the email. Select the link View the email.
  2. A new page will open. Select Send passcode.
    • Check your text messages or email for the passcode.
    • Enter the passcode, then select Submit.

I'm getting an error

Email has expired

The sender may have deleted the email or removed your access before the expiry date. Contact the sender to give you more time or to resend the email.

The provided number is for an unsupported country

You can only add SMS passcodes for phone numbers from these regions: 

  • North America
  • South America
  • Europe
  • Australia
  • Asia: India, Korea and Japan
Switch accounts
Make sure you're signed in to the correct Google Account that's associated with the recipient email. Then try to open the email again.
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