https://manual.calibre-ebook.com/faq.html#why-doesn-t-calibre-let-me-store-books-in-my-own-directory-structure https://manual.calibre-ebook.com/faq.html#why-doe

https://manual.calibre-ebook.com/faq.html#why-doesn-t-calibre-let-me-store-books-in-my-own-directory-structure https://manual.calibre-ebook.com/faq.html#why-doesn-t-calibr... "If you are still not convinced, then I’m afraid calibre is not for you. Look elsewhere for your book cataloguing needs. Just so we’re clear, this is not going to change. Kindly do not contact us in an attempt to get us to change this."