Use Gmail Confidential Mode for sensitive emails
Open Gmail and click Compose
Click the lock-and-clock icon at the bottom of the compose window
Set an expiration date and passcode requirement if needed
Click Save
Add the recipient and send the email
Use S/MIME if your organization supports it
Ask your Google Workspace admin to enable S/MIME
Compose a new email in Gmail
Click the lock icon if S/MIME is available
Select the encryption level before sending
Use a third-party end-to-end encryption tool if you need stronger protection
Install a trusted email encryption extension or service
Follow the service’s setup steps for Gmail
Encrypt the message before sending
Verify the recipient also uses the same encryption method
Use a secure password-sharing method for any passcodes or keys