: You cannot convert a file that is already showing as "KFX-ZIP" because the DRM removal only happens during the initial import. Delete the KFX-ZIP from your Calibre library.
The most reliable way to handle this conversion involves using , a popular open-source ebook management tool. Install Calibre : Download and install the latest version from the official Calibre website Add Required Plugins : You will need two specific plugins to handle these files: KFX Input Plugin : This allows Calibre to recognize and process KFX formats. DeDRM Plugin convert kfx-zip to epub
: Once you enter your Kindle’s serial number into the plugin settings, it works automatically. Import Decryption : You cannot convert a file that is