Create an Outlook Calendar Meeting

To create a meeting in the Outlook calendar, press Control + Shift + Q. Tab through the fields and enter the relevant details including the email addresses of the people you want to invite to the meeting. Press Alt + S to save, send invites and close.
If you use Control + N for a new event and then decide to invite others, you can get the email address field by pressing Alt + H, then I for Invite.