This article shows 3 ways to convert a color InDesign document to grayscale (black & white) - Export PDF, Use color blend or Export image.

PDF2ID Enterprise is a scalable PDF-to-InDesign and PDF-to-IDML conversion solution allowing hundreds of thousands of PDFs to be converted to the InDesign and IDML formats by simply targeting a folder ...

How to Convert From InDesign to Word. While you're designing, typesetting and producing client projects in Adobe InDesign, you may need a means of sharing the text in your layouts with others ...