How to send encrypted email in Outlook using Office 365


Occasionally, situations arise where emails being sent require the content be encrypted to protect potentially sensitive information from being read by anyone other than the intended recipients. Encrypting an email message converts readable plain text into scrambled cipher text rendering the content unreadable as it travels from origin to destination, so if someone intercepts your email, they can’t interpret the content. Only the recipient who has the private key that matches the public key used to encrypt the message can decipher the message for reading.


All students, faculty and staff


From within Outlook in Office 365

1. Click New Message and compose your email

2. When done, click Encrypt from the Ribbon

3. You will receive the following message:

4. Click Send. Message is sent to the specified recipient.

The recipient receives and opens the email as normal.


Situations requiring protection of sensitive information.


Article ID: 121082
Tue 11/24/20 4:55 PM
Wed 6/21/23 3:12 PM