You can start using 
Copy to Clipboard in 3 simple steps:
Open Confluence page you want to export in
Edit mode.Type
/, find and select Copy to Clipboard macro. Alternatively you can click the icon (Insert more contents) in the page's toolbar, then find and select
Copy to Clipboard macro.Click Update to publish the page with macro.
After that Copy page to clipboard button will appear on the page.
Just click on the button and your page will be copied. Now you can paste it into Word or your email client.