Convert EPUB to SXW

Drag and drop files here or click to select.
Max file size 100mb.
Uploading progress:

EPUB vs SXW Format Comparison

Aspect EPUB (Source Format) SXW (Target Format)
Format Overview
EPUB
Electronic Publication

Open ebook standard maintained by the W3C since 2017 (previously IDPF). Uses XHTML/HTML content packaged in a ZIP container with XML metadata. Supports reflowable text, fixed layouts, embedded fonts, images, and multimedia. The dominant open ebook format worldwide.

Open Standard Ebook Format
SXW
StarOffice Writer Document

Document format used by StarOffice Writer and early versions of OpenOffice.org. Based on an XML structure packaged inside a ZIP container. Predecessor to the ODF (Open Document Format) standard. Primarily used in legacy StarOffice/OpenOffice environments and older Linux distributions.

Legacy Format StarOffice/OpenOffice
Technical Specifications
Structure: ZIP container with XHTML/HTML content
Encoding: UTF-8 Unicode
Format: Open XML-based ebook standard
Compression: ZIP compression
Extensions: .epub
Structure: ZIP container with XML content files
Encoding: UTF-8 with XML declarations
Format: StarOffice XML format (pre-ODF)
Compression: ZIP compression
Extensions: .sxw
Syntax Examples

EPUB uses XHTML for content:

<?xml version="1.0" encoding="UTF-8"?>
<html xmlns="http://www.w3.org/1999/xhtml">
<body>
  <h1>Chapter 1</h1>
  <p>The story begins...</p>
</body>
</html>

SXW uses StarOffice XML internally:

<?xml version="1.0" encoding="UTF-8"?>
<office:document-content>
  <office:body>
    <text:p text:style-name="P1">
      Content text here
    </text:p>
  </office:body>
</office:document-content>
Content Support
  • Reflowable and fixed-layout text
  • CSS styling and embedded fonts
  • Embedded images (JPEG, PNG, SVG)
  • Table of contents and navigation
  • Metadata (Dublin Core)
  • Audio and video (EPUB 3)
  • JavaScript interactivity (EPUB 3)
  • MathML equations
  • Rich text formatting and styles
  • Tables with borders and shading
  • Embedded images and graphics
  • Headers and footers
  • Page numbering
  • Footnotes and endnotes
  • Bookmarks and cross-references
  • Basic drawing shapes
Advantages
  • Open international standard
  • Reflowable text adapts to screen size
  • Widely supported by e-readers
  • Rich multimedia support (EPUB 3)
  • Compact file sizes
  • Accessibility features (WCAG)
  • Editable document format
  • Full word-processing features
  • Print-ready page layout
  • XML-based internal structure
  • Compatible with OpenOffice/LibreOffice
  • Lightweight compared to DOC
  • Supports complex formatting
Disadvantages
  • Not directly editable in word processors
  • DRM restrictions on some files
  • Complex internal structure
  • Not suitable for print layouts
  • Variable rendering across readers
  • Legacy format (superseded by ODT)
  • Limited software support today
  • No longer actively developed
  • Not supported by Microsoft Office natively
  • Smaller community and ecosystem
  • Fewer online tools available
Common Uses
  • Ebooks and digital publishing
  • Online bookstores and libraries
  • Academic and educational content
  • Interactive digital textbooks
  • Accessible reading materials
  • Legacy StarOffice documents
  • Older OpenOffice.org files
  • Archived office documents
  • Government and institutional records
  • Linux desktop document editing
  • Migration to modern ODF format
Best For
  • Digital book distribution
  • E-reader consumption
  • Reflowable reading content
  • Multi-device publishing
  • Legacy StarOffice workflows
  • Older OpenOffice environments
  • Archival document access
  • Converting to editable documents
Version History
Introduced: 2007 (IDPF)
Current Version: EPUB 3.3 (2023, W3C)
Status: Active, widely adopted
Evolution: EPUB 2 → EPUB 3 → EPUB 3.3
Introduced: 1999 (Sun Microsystems)
Last Version: StarOffice 8 / OpenOffice 1.x
Status: Legacy (replaced by ODT in 2005)
Evolution: SXW → ODT (OASIS Open Document)
Software Support
E-Readers: Kobo, Apple Books, Nook, most readers
Desktop: Calibre, Adobe Digital Editions
Mobile: Apple Books, Google Play Books, Moon+ Reader
Other: Sigil (editor), Pandoc, Calibre
LibreOffice: Full support (read/write)
Apache OpenOffice: Full support (read/write)
StarOffice: Native format (discontinued)
Other: Limited third-party support

Why Convert EPUB to SXW?

Converting EPUB ebooks to SXW (StarOffice Writer) format allows you to transform digital publications into fully editable word-processing documents compatible with StarOffice and OpenOffice.org environments. This conversion is particularly valuable when you need to extract and edit the textual content of an ebook using legacy office suites that rely on the SXW format.

SXW is the native document format of StarOffice Writer, developed by Sun Microsystems. It uses an XML-based structure packaged inside a ZIP container, making it a precursor to the modern ODF (Open Document Format) standard. While SXW has largely been replaced by ODT, many archived documents, institutional records, and legacy workflows still depend on it, especially in organizations that adopted StarOffice or early OpenOffice.org.

EPUB files are designed for reflowable reading on e-readers and mobile devices, but they are not intended for editing or print-ready document production. By converting EPUB to SXW, you gain full control over the document layout, formatting, and content, enabling you to make modifications, add annotations, or repurpose the material for printed output within a StarOffice or OpenOffice environment.

This conversion is also useful for archival workflows where documents must be stored in a specific legacy format to comply with organizational policies. If your institution or project still maintains a StarOffice-based document management system, converting ebooks to SXW ensures seamless integration with existing tools and processes.

Key Benefits of Converting EPUB to SXW:

  • Editable Content: Transform read-only ebook content into fully editable documents
  • Legacy Compatibility: Works with StarOffice Writer and early OpenOffice.org versions
  • Text Extraction: Pull structured text and formatting from EPUB files efficiently
  • Print Preparation: Convert reflowable ebook content into print-ready page layouts
  • Archival Integration: Store ebook content in legacy document management systems
  • Format Preservation: Retain headings, paragraphs, lists, and basic formatting
  • Cross-Format Workflow: Bridge the gap between ebook and word-processing ecosystems

Practical Examples

Example 1: Extracting Ebook Content for Editing

Input EPUB file (novel.epub):

EPUB ebook containing:
- Title: "Introduction to Open Source"
- 12 chapters with headings and paragraphs
- Table of contents with navigation
- Embedded cover image (JPEG)
- CSS styling for fonts and layout
- Dublin Core metadata (author, publisher, date)

Output SXW file (novel.sxw):

Editable StarOffice Writer document:
✓ All 12 chapters converted to styled sections
✓ Headings preserved with formatting hierarchy
✓ Paragraphs with proper text flow and spacing
✓ Cover image embedded in document
✓ Table of contents as a document outline
✓ Ready to edit in OpenOffice Writer or LibreOffice
✓ Print-ready page layout with margins

Example 2: Academic Publication to Editable Document

Input EPUB file (research_paper.epub):

Academic EPUB containing:
- Research paper with abstract and sections
- Footnotes and citations
- Data tables with experimental results
- Figures with captions
- Bibliography section
- Author affiliations and metadata

Output SXW file (research_paper.sxw):

Fully editable research document:
✓ Abstract and sections with heading styles
✓ Footnotes converted to document footnotes
✓ Tables preserved with cell formatting
✓ Figures embedded with captions
✓ Bibliography as formatted text
✓ Editable in StarOffice/OpenOffice Writer
✓ Ready for review, annotation, or revision

Example 3: Ebook Archive Migration

Input EPUB file (manual.epub):

Technical manual EPUB:
- Product documentation with 25 sections
- Step-by-step instructions with numbered lists
- Diagrams and screenshots (PNG)
- Warning and note callout boxes
- Index and glossary sections
- Cross-references between chapters

Output SXW file (manual.sxw):

Legacy-compatible document:
✓ All 25 sections preserved with structure
✓ Numbered lists and instructions intact
✓ Images embedded in document body
✓ Formatted callout boxes converted to styled paragraphs
✓ Index and glossary as formatted text
✓ Compatible with legacy StarOffice systems
✓ Suitable for archival document management

Frequently Asked Questions (FAQ)

Q: What is SXW format?

A: SXW is the native document format of StarOffice Writer, developed by Sun Microsystems. It stores word-processing documents using an XML-based structure inside a ZIP container. SXW was the default format for StarOffice Writer and early versions of OpenOffice.org (1.x) before being replaced by the ODT (Open Document Text) format when OASIS standardized the Open Document Format in 2005.

Q: Can I open SXW files in LibreOffice or OpenOffice?

A: Yes! Both LibreOffice Writer and Apache OpenOffice Writer fully support opening, editing, and saving SXW files. LibreOffice can also convert SXW files to modern formats like ODT or DOCX. Since SXW is a predecessor to ODT, these office suites maintain backward compatibility with the format.

Q: Will images from my EPUB be preserved in the SXW file?

A: Yes, embedded images (JPEG, PNG, and other common formats) from the EPUB file are extracted and embedded into the resulting SXW document. The images are placed in their approximate positions relative to the surrounding text. However, complex CSS-based image positioning from the EPUB may be simplified in the SXW output.

Q: Is the table of contents from my EPUB preserved?

A: The EPUB table of contents (NCX or navigation document) is used to identify the document structure. Chapter headings and section titles are converted to appropriate heading styles in the SXW document, which allows you to regenerate a table of contents within StarOffice or OpenOffice Writer using the built-in TOC feature.

Q: Why would I choose SXW over ODT?

A: In most cases, ODT is the better choice as it is the modern successor to SXW and is an internationally recognized standard (ISO/IEC 26300). However, you may need SXW specifically if you are working with legacy StarOffice installations, older OpenOffice.org 1.x systems, archived document collections that require SXW format, or organizational workflows that have not yet migrated to ODT.

Q: Can Microsoft Word open SXW files?

A: Microsoft Word does not natively support SXW files. To open an SXW file in Word, you would need to first convert it to a compatible format like DOCX or DOC, or use LibreOffice as an intermediary to save the file in a Word-compatible format. Alternatively, you can install the ODF plugin for older Word versions.

Q: What happens to EPUB formatting during conversion?

A: Basic formatting such as headings, bold, italic, underline, lists, and tables is preserved during conversion. CSS styles from the EPUB are mapped to equivalent SXW paragraph and character styles where possible. However, advanced EPUB features like reflowable layouts, embedded fonts, multimedia elements, and JavaScript interactivity are not supported in SXW and will be omitted or simplified.

Q: Can I convert DRM-protected EPUB files?

A: No, DRM-protected EPUB files cannot be converted. Digital Rights Management encryption prevents the content from being accessed by conversion tools. Only DRM-free EPUB files can be processed. If you have purchased an EPUB with DRM, check with the publisher or retailer for a DRM-free version or alternative format options.