Calling the command:
Icon  | 
Ribbon  | 
|---|---|
  | 
File > Send  | 
Keyboard  | 
Textual Menu  | 
  | 
File > Send...  | 
The command launches a creation of a new e-mail message in the default e-mail application of the current operating system and attaches the current document to such message. If the document has unsaved changes, you'll be asked to save them.