Convert kwd to azw3

What is the difference between .kwd and .azw3?

Description: The kwd file type is associated with KWord, a word processing and desktop publishing application that was part of the KOffice suite primarily for Linux and UNIX-like operating systems. KWord documents, denoted by the .kwd extension, incorporate text, images, and formatting into a single file, allowing users to create professional-looking documents. KWord supported a wide range of features including templates, styles, frames, and more, making it a versatile tool for various document creation needs.; An AZW3 file is an eBook created in the Kindle Format 8 (KF8), Amazon's successor to the .AZW format. It supports newer features such as HTML5 and CSS3 support as well as many other formatting capabilities. AZW3 files often include DRM protection and are used as the download format for many Amazon eBooks.