Dictate into an email (rather than type) in New Outlook (replacing old Mail app): In the text entry area of the email click the cursor where you want new text then click on the tree dots ‘…’ at the end of the ribbon then click ‘Dictate’ and start to speak. Say ‘new line’ or ‘new paragraph’ or ‘full stop’ to add punctuation. Use the short cut Alt + ‘ to stop dictation.