When you have some content saved in .docx documents. Copying and pasting from docx can be difficult, specially if you have to copy content from multiple documents.
First thing you need to do is install and activate the Mammoth .docx converter plugin.
When you activated the Mammoth .docx converter plugin. Just post a post. At the bottom, you will find a button to upload your .codx file.
After you have uploaded your .codx file, everything will be easy. The screen will teach you how to do it.