DOCX to SXW Converter

Transform DOCX into StarOffice SXW — free online

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Legacy Office Support

Move from DOCX to SXW for compatibility with StarOffice, early OpenOffice.org, and other legacy office environments.

Quick Results

Cloud-powered processing converts your DOCX to SXW in seconds — no local software needed, no delays.

Browser-Only Workflow

The entire DOCX to SXW conversion happens in your browser. No downloads, no plugins — works on any platform.

How to convert DOCX to SXW

1

Select files from Computer, Google Drive, Dropbox, URL or by dragging it on the page.

2

Choose sxw or any other format you need as a result (more than 200 formats supported)

3

Let the file convert and you can download your sxw file right afterwards

About formats

DOCX is the default document format for Microsoft Word since Office 2007, based on the Office Open XML (OOXML) standard published as ECMA-376 and adopted as ISO/IEC 29500. A DOCX file is a ZIP archive containing XML documents that describe the document body (document.xml), styles, themes, headers, footers, footnotes, comments, numbering definitions, and relationships between parts. Media assets like images and embedded objects reside in dedicated directories within the package. The XML structure means document content is human-inspectable and programmable — developers can create, modify, and extract content from DOCX files using standard XML libraries in any programming language without requiring Word. One significant advantage is openness and interoperability: the published specification enables any software to implement DOCX support, and the format is read and written by LibreOffice, Google Docs, Apple Pages, and dozens of other tools across all platforms. Built-in ZIP compression is another practical strength — DOCX files are substantially smaller than equivalent DOC files, and the modular XML structure improves crash recovery since corruption in one part does not necessarily destroy the entire document. The format supports all modern Word capabilities including SmartArt, content controls, bibliography management, accessibility metadata, and real-time co-authoring. DOCX has become the universal standard for document interchange in business, education, and government.
Developer: Microsoft
Initial release: January 30, 2007
SXW is the word processing document format used by StarOffice 6.0 and OpenOffice.org 1.0, developed by Sun Microsystems and released in 2002. The format was one of the first mainstream office document formats to adopt an XML-based architecture, packaging document content, styles, metadata, and embedded media in a ZIP archive — a structural approach that directly influenced the later OpenDocument Format (ODF). The content.xml file describes the document body using XML elements for paragraphs, headings, lists, tables, footnotes, and inline formatting, while styles.xml defines the styling rules and meta.xml carries document properties. SXW represented a significant milestone in open-source office software, demonstrating that a non-proprietary XML format could handle the full range of word processing features including change tracking, indexes, cross-references, and complex page layouts. One advantage was transparency and openness — the XML structure made document content inspectable, transformable, and processable using standard tools, a sharp contrast to the opaque binary formats dominant at the time. The format's role as a technological precursor to the ODF standard is another historical significance: the OASIS OpenDocument Technical Committee used the OpenOffice.org XML format (including SXW) as the starting point for developing ODF 1.0. While SXW was superseded by ODT with OpenOffice.org 2.0 in 2005, existing SXW documents can be opened by LibreOffice, Apache OpenOffice, and document conversion tools.
Developer: Sun Microsystems
Initial release: 2002

Frequently Asked Questions

Why convert DOCX to SXW?

SXW is the legacy format from StarOffice and early OpenOffice. Converting ensures documents open in those older environments.

What programs open SXW?

OpenOffice.org (all versions), LibreOffice Writer, and StarOffice open SXW files. Some other word processors can import them too.

Is the content preserved?

Text, basic formatting, and paragraph structure transfer well. Complex DOCX features may simplify in the older SXW format.

Can I convert several files at once?

Yes — Convertio lets you upload multiple DOCX documents and batch-convert them all to SXW simultaneously.

Is DOCX to SXW free?

Free DOCX to SXW conversion is available on Convertio. Premium plans are there for higher volumes and larger files.

Does it require installation?

Nothing to install. Convertio works entirely in your web browser — upload, convert, download, done.

DOCX to SXW Quality Rating

4.2 (25 votes)
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