1. Click File > Share > Email, and then choose one of the following options:
   • Send as Attachment    Opens an email message with a copy of the file in its original file format attached.
   • Send as PDF    Opens an email message with a copy of the file in .pdf format attached.
   • Send as XPS    Opens an email message with a copy of the file in .xps format attached.
   • Send as Internet Fax    Opens a web page where you can choose from a list of providers that let you send a fax over the Internet.

     Note:  The options you see will vary depending on the Office program you’re using.

2. Enter the recipients’ aliases, edit the subject line and message body as necessary, and then click Send.

 

In Microsoft Word 2010 and in Microsoft Office Word 2007, you use the Send to Mail Recipient feature to do this. In Microsoft Office Word 2003 and in Word 2002 as part of Microsoft Office XP, you use the Mail Recipient feature to do this.

How to send a Word document as an email message directly from Word

In Word 2010 and in Word 2007, the Send to Mail Recipient feature is not available in the Ribbon. To use this feature, you must add this command to the Quick Access Toolbar (QAT). To do this, follow these steps.

Word 2010

1. On the File menu, click Options.
2. Click Quick Access Toolbar, and then click All Commands in the Choose commands from list.
3. In the list that appears, click Send to Mail Recipient, and then click Add to add the command to the Quick Access Toolbar.

 

Word 2007

1. Click the Microsoft Office Button 
   

   , and then click Word Options.

2. Click Customize, and then click All Commands in the Choose commands from list.
3. In the list that appears, click Send to Mail Recipient, and then click Add to add the command to the Quick Access Toolbar.

 

Word 2003 and Word 2002

To send a document directly from Word 2003 or from Word 2002 as an email message, follow these steps:

1. On the File menu, point to Send To, and then click Mail Recipient to send the document as the body of the message. Or, point to Mail Recipient (as Attachment) to send the document as an attachment to the message.Note If Send To or Send is not available on the File menu, you must install Microsoft Outlook, Microsoft Outlook Express, or a Messaging Application Programming Interface (MAPI)-compliant third-party email program.
2. If the Choose Profile box appears, select Default Outlook Profile or another valid profile that you have created, and then click OK. Word adds an email header to the document.
3. Type the email address of the recipient on the To line, or select the email address from your Address Book.
4. Type a subject for the email message on the Subject line.
5. Click Send a Copy if you want to send the document as the email body. Or, click Send if you want to send the document as an attachment.

Note In Word 2010 and in Word 2007, if you click Send to Mail Recipient by mistake and want to cancel the action, click Send to Mail Recipient again. In Word 2003 and in Word 2002, if you click Send a Copy by mistake and want to cancel the action, click Send a Copy again.

The video has been made by me and the above text is from a Microsoft blog