Encrypt an Email with the Outlook Web Application

Special Notes

  • These steps are for the Outlook web application. If you are using the Outlook desktop application, find those instructions here.
  • These instructions will not work for the Outlook mobile application.
  • Encrypting emails via Outlook will not work if you are sending the message to a Gmail inbox or if someone outside of UT wants to send an encrypted email.
  • If you need to send sensitive information to a Gmail account or someone outside of UT needs to send sensitive information, the UT Vault will need to be used.


  1. Visit Outlook.office.com and select 'New message'
  2. Draft your email and add any attachments
  3. Select "Message' then click the three dots at the end of the toolbar
  4. Select 'More Options'
  5. Select your sensitivity level in the drop-down menu
  6. Select 'Encrypt this message (S/MIME)' then 'OK'


Article ID: 146794
Thu 7/7/22 10:52 AM
Thu 3/23/23 9:12 AM