In an effort to create an open document standard, Microsoft in collaboration with ISO/IEC and Ecma, developed the Office Open XML standard in 2006. One of the filename extensions supported in this specification is the .docx extension, a text document filename extension. The .docx was introduced in Microsoft Office Word 2007 and has been supported ever since in later iterations. It has become the default filename extension for all text documents produced using Microsoft Office Word. Given the open source nature of the XML specification, more alternative document processing applications support read and write capabilities on documents saved with the .docx filename extension. This is in comparison to the .doc filename extension which is a proprietary asset owned by Microsoft.
The American company Amazon is a recognized powerhouse when it comes to all things related to books. Their proprietary eBook readers dubbed the Kindle which was first released in 2007 is a testament to this. The .azw file format is the filename extension associated with eBooks designed to be read on Amazon's proprietary Kindle device and through their free but closed source Kindle software for smartphones, PCs, and Macs. The format is incompatible with any device other than kindle and its associated software. In order to open files saved in this format on non-kindle devices, one would have to convert the file to another format such as the open ePub format or PDF. Some converters can also convert other formats into .azw files which can later be opened on a kindle device or application.
FreeFileConvert uses tuned encoding for DOCX to AZW3 conversions, preserving clarity while trimming file size. Finished audio streams instantly across phones, tablets, desktops, and modern browsers without extra tweaks.
Upload DOCX files from desktop, tablet, or cloud storage, queue multiple jobs, and let the converter finish autonomously. Return whenever convenient to download synchronized AZW3 results on any device you rely on.
Process up to 5 files sized 1000 MB per batch without splitting queues manually. Mixed-format uploads convert together, producing consistent AZW3 audio with dependable progress tracking.
The .docx filename extension is specified in the open standard ISO/IEC 29500-1:2012. A free compatibility update allows older versions of Microsoft Office Word such as Office 2003 to open .docx documents.
Because the AZW format restricts content to kindle devices and software, it has become a popularized format for authors wishing to enforce digital rights management and copyright restrictions over their content. It supports richly formatted text and enables documents to be reflowable i.e. able to be presented on a multitude of devices with varying screen sizes.
Upload your document file in the DOCX format from your device, Dropbox, or Google Drive.
Select AZW3 as the output format and click Convert. Adjust optional settings if needed.
Download the converted ebook file. Each file stays available for up to 5 downloads.