Most of the smart devices such as smartphones, tablets, laptops, etc. support EPUB format to view or read documents. It is a commonly used format for ebooks or electronic publications. On the other hand, MS Word formats, such as DOCX, DOC, etc., are among the widely used document formats in the digital world. In this article, we are going to show you how to convert MS Word DOC DOCX to EPUB programmatically in Java. Moreover, you will learn how to customize Word DOC to EPUB conversion using different options.