Outlook – Email Encryption

This is a guide on encrypting emails in Outlook, Outlook.com and the Outlook mobile app.

Step 1

When composing the email, go to the “Options” ribbon and left-click the “Encrypt” button.

Step 2

From the drop-down menu, select the “Encypt-Only” option.

Step 3

The email will now be encrypted.

• If the recipient is using an Outlook or Microsoft 365 based email account, they will be able to read and reply to the encrypted email the same way as unencrypted emails.
• If the recipient is using a different email account (such as Google or Yahoo Mail), they will be sent a separate email with a temporary passcode to access the encrypted email.

This is a guide on encrypting emails in Outlook (Classic)

Step 1

When composing the email, go to the “Options” ribbon and left-click the “Encrypt” button.

Step 2

From the drop-down menu, select the “Encypt-Only” option.

Step 3

The email will now be encrypted.

• If the recipient is using an Outlook or Microsoft 365 based email account, they will be able to read and reply to the encrypted email the same way as unencrypted emails.
• If the recipient is using a different email account (such as Google or Yahoo Mail), they will be sent a separate email with a temporary passcode to access the encrypted email.