Message Composition Window
The Message Composition Window is shown below.

Opening
- Main Menu > Message > New, Reply, Reply to All, Reply to List, Forward, Forward As, Redirect, or Edit As New Message.
Mail:
- Folder Pane > New Message.
- Message List > Message context menu > Reply to Sender Only, Reply to All, Reply to List, Forward, Forward As, Redirect or Edit As New Message.
- Message View Area > Recipient context menu > Compose message for.
- Calendar Pane > Event or task context menu > Convert To > Message.
- Today Pane > Event or task context menu > Convert To > Message.
- Event List > Event context menu > Convert To > Message.
- Event Creation Window > Event > New > Message.
- Contact List > Contact context menu > Write.
Hotkeys: Ctrl+N or Cmd+N.