Outlook 2019 - Sending Encrypted Email

Open Outlook and create a new Mail Message

Create a new mail message in Outlook.

Click on the Options tab at the top of the window to display the Options ribbon.

Click the ▼ below the Permission button to display the Set Permissions menu.

Choose Encrypt Only from the Set Permissions menu.

When encryption is enabled, the top of the message window will display a notice stating that the message is encrypted.

Attach file(s) and send message as usual.

If you receive a message stating "Only file attachments that support rights management will automatically have their permissions restricted to match the restrictions on this email.", you can click the OK button.