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DOCX is Microsoft Word’s default document format since Word 2007. It is a ZIP package that follows the Office Open XML standard (WordprocessingML): the text is in word/document.xml, the styles in word/styles.xml, and numbering, comments, images and headers in their own parts. Word, LibreOffice, Google Docs and Pages, among others, open it.

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Why it matters when generating documents with AI

  • A well-made DOCX keeps its look in styles (Normal, Heading 1…), so whoever receives it can keep editing without breaking the design.
  • Pagination is not stored in the file: the program that opens it computes it, and it depends on the fonts available.
  • Features such as tracked changes, comments, automatic numbering or a table of contents only exist if the XML declares them; they can’t be faked with text.
  • A DOCX with a single malformed part may not open, or open with an “unreadable content” warning.

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With Doconda

With format: "docx", Doconda creates a Word document from a sentence, from your Markdown or from your files, and delivers it with its PDF (Create). It also edits an existing Word file, changing only what you ask, and reviews it: tables wider than the page, orphaned headings or gaps in the numbering.