Someone showed me today that if you drop a message on the calendar application you can create a calendar entry that has all that messages text. You can then adjust all the fields of the calendar and invite more people to any meeting. This can save some typing and keep all the original text of a message leading to a meeting. It can be shared with everyone through the invite and not through a separate message.
This only seems to work in the Outlook for Desktop and not Outlook through a browser.