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How to Install and Set up the XQ Google Chrome Extension

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The XQ Secure Gmail extension allows you to encrypt messages and attachments directly from your Gmail account.


If you prefer, you can also watch a video walkthrough on installing the XQ Secure Gmail extension.


  1. Open the Chrome Web Store. Make sure you’re logged into the correct account before clicking Add to Chrome.

XQ Secure Gmail in the Chrome Web Store with the signed-in account and Add to Chrome highlighted

  1. In the pop-up window, click Add extension. XQ protects your data and it will never be stored or shared with third parties.

Add XQ Secure Gmail confirmation dialog with Add extension highlighted

  1. The Chrome extension will automatically install and be added to your extensions list. Now you can close the pop-up window or the tab and open Gmail to set up the XQ Secure Gmail extension.

Extension added confirmation in Chrome; close the pop-up or tab and go to Gmail


  1. Open Gmail and log in to your account.
  2. You will see XQ Message now available in the left-hand navigation bar. Click Login. A browser tab opens with the XQ sign-in page.

Gmail sidebar XQ Message section with Login highlighted

  1. Sign in with Microsoft, Google, or your email address. If you enter your email address, open the email from XQ and click the link in it to continue.

  2. If you belong to more than one XQ team, choose the team to sign in to.

  3. If your team admin requires sign-in through your organization’s identity provider, sign in there when asked. See How can I require users to sign-in with SSO?

  4. Close the tab and go back to Gmail. You’re now signed in. The menu text changes to Logout.


  1. Click Compose and OKAY in the pop-up window.

Gmail Compose, then the Turn on XQ Message Secure Send prompt with OKAY highlighted

  1. Click the gear icon to open the message settings.

Gmail compose with XQ on; the gear icon opens Message Settings for expiry, readers and encryption

  • Message expiration – Choose how long recipients can open the message. Your admin sets the default, and can stop you from changing it. See Security settings.
  • WHO CAN READ THIS MESSAGE – Choose who can decrypt the message. It’s encrypted with either option. See Security settings.
    • All XQ Users – Instant – Anyone who is signed in to XQ can decrypt the message, including people it’s forwarded to.
    • Recipients Only – Authenticated – Only you and the people named in the To, CC or BCC fields can decrypt the message, after signing in to XQ.
  • ENCRYPTION ALGORITHM
    • OTP – One Time Pad – Enabled by default.
    • AES-256 GCM – Advanced Encryption Standard

Now you’re ready to learn how to send a secure email.