After you create a rough draft of a message, open the File menu and choose Save .
Close the message by clicking its Close (x) button. The message is saved in the Drafts folder.
INTRODUCTION
For particularly involved messages, you may want to create a draft, save the draft, and review and send the message later. Alternatively, you might save a draft of message if you are interrupted and need to complete the message at a later time.
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Holding Off on "Hot" Messages
If your emotions are riding high, it's a good idea to wait before you send an e-mail message. It can be easy to misconstrue the tone of an e-mail message without voice, facial expressions, and other elements that are in play for face-to-face or even telephone conversations. So be safe rather than sorry!
To open a saved message, click the Drafts folder in the All Mail Folders list. (You can tell that the Draft folder contains unsent messages because its name is bold; the number of messages it contains is indicated in parentheses.)
Double-click the message in the Drafts message list.
Make changes to the message as needed and then send the message as usual.
HINT
Forget to Save?
If you close a message without sending or saving it, Outlook prompts you to save it. Click Yes to save a copy of the message in the Drafts folder.
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Cancel Message
If you want to close and cancel a message, click the Message window's Close (x) button. Outlook will ask whether you want to save the message; click No .