How to Encrypt Email in Outlook 2016

Written by Bryan Besnyi on August 22, 2019

Open Outlook and choose New Email.

In the email message, choose Options, select Encrypt and pick the encryption that has the restrictions that you want to enforce, such as Encrypt-Only or Do Not Forward

Listing of message encryption options in Outlook 2016
You can send this encrypted message to other employees with the same Outlook version or higher.

Alternatively, you can use the word “ENCRYPTED” in the subject line of your email. This is a workaround for various Outlook version issues. This works on Windows & Macs.

Use the word 'Encrypted' in the subject line as an alternative approach