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Re: docs for the vfd in a 6040 gantry mill

apt-cache search docx

antiword - Converts MS Word files to text, PS, PDF and XML
okular-backend-odt - Okular backend for ODT documents
docx2txt - Convert Microsoft OOXML files to plain text
pandoc - general markup converter
tea - graphical text editor with syntax highlighting

Look at the descriptions to see if any might be useful.
John Hasler 
Elmwood, WI USA