Use these free AZW to EPUB converter software or online tools to convert an AZW eBook to EPUB format on your Windows PC easily.

Step 3: Convert e-books. Screenshot by Rob Lightner Select the EPUB files you want to convert and click "Convert books" in the top bar. Select your options. Calibre should have automatically ...

If there is anyone capable of developing an in-house system that will convert millions of PDF files to EPUB, Overdrive has the best chance of doing it.