Open DOCX File

Information, tips and instructions

Write Kindle book file in DOCX

Have you ever thought about writing and publishing your own book? Surely your answer is NO or, if so, you see it as something complicated and distant because you do not know how to make money writing books, it is normal. Writing a book will always be beneficial from every point of view, and one of the main advantages of writing books is that they generate passive income 24 hours a day, 7 days a week without the need to be in front of the computer.

Its attractions are:

  • Quick to manufacture, little financial investment and 0 maintenance costs once launched.
  • They do not expire. An e-book can be reviewed and updated as many times as you like.
  • Attractive distribution of profits. In the case of Kindle Amazon up to 70% of each sale can go directly to the author.
  • Large number of potential customers.
  • Market with a great future. It is clear that most ebooks are consumed through e-readers.


One of the simplest ways to write a book for Amazon Kindle is using Microsoft Word, in DOCX format and then converting it to MOBI. There are multiple ways To convert a word document in DOCX format into MOBI, including using the Calibre software, which has powerful conversion tools and is available for Windows, MAC and Linux, or also online.


To use Calibre you must follow three simple steps:

  1. Download the application: once downloaded and installed you must indicate the location of the documents or books. You must also indicate which ebook reader you are using.
  2. Choose the DOCX document you want to convert and then click on the "Convert Books" option.
  3. Finally, connect your Kindle to your computer and transfer the book in MOBI format to your device.

Online Conversion

To convert from DOCX to MOBI online you can use any of the following (and most popular) file conversion pages, which despite being different from each other, all follow the same steps to convert:

The basic steps would be the following:

  • Choose DOCX document
  • Choose MOBI format as output file
  • Click convert
  • Download output MOBI file
File Extension Info

DOCX Quick Info
  Microsoft Word OOXML Document File
  application/vnd.openxmlformats-officedocument.wordprocessingml. document
Opens with
  Microsoft Word
  Microsoft Office Online
  Apache OpenOffice