Send encrypted email from Outlook (PC)

  1. Click New Email
  2. Click the Options toolbar
  3. On the Options toolbar, click the Encrypt menu
  4. On the Encrypt menu, click the appropriate option
  5. Your new email is now encrypted

Send encrypted email from Outlook (Mac)

  1. Click New Message
  2. Click  ... and choose Customize Toolbar
  3. Select and drag the Encryption icon to the toolbar on the top and click Done
  4. On the Encryption menu, click the appropriate option
  5. Your new email is now encrypted

Send encrypted email from Webmail (office.com)

The instructions for Webmail whether on a Mac or PC are the same as the steps when sending from Outlook on a PC.