The key to creating a secure cloud drive is using encryption. By using encryption tools like Open PGP or OR you take a very strong step that is impossible to bypass. How to get your organization's own encryption key — Google Drive Dec 20, 2023 — If you don't yet own a Google Drive account, signing up for one is completely free and quick. Sign in using your Gmail or Yahoo! mail account, and the key will be automatically added into Google's servers, providing maximum trust in your files. How to send an email attachment (SFTP) — Google Drive In order to enable encryption for your Google Drive folder, you first need to create a folder on your computer with the extension.drive. When you have created your folder, you need to add the extension.drive to a mail message in order for Google Drive to detect that you have a folder on Google Drive. Note: When you send an email through Google Drive, be sure to use a.forward URL to make the attachment, or the email will be subject to delivery errors. How Does Encryption Work With Google Drive? When you open an email, Google's servers scan it for a “signature.” When a signature is detected, encryption occurs by using a private key file, which is uploaded to your Google Drive folder. How to create a secret Google Drive key in Gmail If you've forgotten your secret key or can't remember which folder contains this file, you'll need to use one of the following methods to create the key. How to create a secret Google Drive key — Outlook Note: Microsoft does not accept public keys that are less than 4096 bytes in size. How to create a secret Google Drive key — Outlook 2013 Note: Microsoft does not accept public keys that are less than 4096 bytes in size. How to make a secret Google Drive key in Gmail Note: If you want to use your Gmail user account for creating private and secret keys, use Gmail's secret key creation tool, or sign in to Gmail and select “Account management” from the drop-down menu at the top right of the page. Secure email message encryption and email signing Secure email messages may be encrypted using various forms of encryption. This means the message itself isn't encrypted, but only the information that is included in the message.