To send a Word document to any user, including people who don’t have Word installed:
Start writing a new email. Enter the “To:” address, Subject, etc.
In a separate window (i.e. go to the “Start” menu or the “My Documents” folder or where ever) you should open the Word file that you need to send.
Click on Edit → Select All
Click on Edit → Copy
Go back to your email message.
Click on Edit → Paste
Make any last minute changes that you might need.
Send the email message.
Don’t forget to close your Word document when you don’t need it any more.