Outlook for Windows Integration

To send secure messages from Microsoft Outlook, you must install Send It Secure for Windows, which includes the Outlook Add-in. Send It Secure requires Windows 10 or higher.

The Add-in improves your Outlook experience by adding additional functionality, including:

  • Quickly toggle between protected and standard messages when composing messages in Outlook
  • Advanced settings to improve workflows to increase your efficiency

Steps to Integrate with Outlook for Windows

  1. Go to https://www.senditsecure.com/downloads and click on Download Send It Secure for Windows 
  2. Right-click on the ProtectedTrust.exe install file and select run as administrator 

    3. *Note: Do not select "Make Protected Trust my default mail client" since Microsoft Outlook is your desired default mail client.

  3. Click Install Now
  4. After the Protected Trust installation is complete, click OK 

  5. When you compose an email from Microsoft Outlook the user interface will now have a Message Protected lock icon

  6. Compose your email
  7. Confirm the Message Protected icon is locked and click Send 
  8. The message will now be sent via Send It Secure