Convert SXW to XLSX

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SXW vs XLSX Format Comparison

Aspect SXW (Source Format) XLSX (Target Format)
Format Overview
SXW
StarOffice/OpenOffice.org Writer Document

SXW is a legacy document format used by StarOffice and early versions of OpenOffice.org Writer. It is a ZIP archive containing XML files (content.xml, styles.xml, meta.xml) that define the document structure, formatting, and metadata. SXW was the predecessor to the modern ODT format and is still readable by LibreOffice, OpenOffice, and Pandoc.

Legacy Document ZIP/XML Archive
XLSX
Microsoft Excel Spreadsheet

XLSX is Microsoft Excel's modern spreadsheet format based on the Office Open XML (OOXML) standard. It stores data in rows and columns with support for formulas, charts, pivot tables, conditional formatting, and macros. XLSX is the most widely used spreadsheet format in business and data analysis.

Spreadsheet Office Open XML
Technical Specifications
Structure: ZIP archive containing XML files
Creator: StarOffice/OpenOffice.org Writer
Content Files: content.xml, styles.xml, meta.xml
MIME Type: application/vnd.sun.xml.writer
Extension: .sxw
Structure: ZIP archive with Office Open XML
Standard: ECMA-376 / ISO/IEC 29500
Features: Formulas, charts, pivot tables, macros
MIME Type: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
Extension: .xlsx
Syntax Examples

SXW contains XML content within a ZIP archive:

<!-- content.xml inside .sxw -->
<office:body>
  <text:p text:style-name="Heading1">
    Sales Report
  </text:p>
  <table:table>
    <table:table-row>
      <table:table-cell>Product</table:table-cell>
      <table:table-cell>Revenue</table:table-cell>
    </table:table-row>
  </table:table>
</office:body>

XLSX organizes data in spreadsheet cells:

     A          B
1  Product    Revenue
2  Widget A   $15,000
3  Widget B   $22,500
4  Widget C   $18,750
5
6  Total      =SUM(B2:B4)
Content Support
  • Formatted text with styles and fonts
  • Tables, lists, and nested structures
  • Embedded images and objects
  • Headers, footers, and page numbering
  • Footnotes and endnotes
  • Document metadata (author, title, date)
  • Table of contents and indexes
  • Cell-based data with formatting
  • Formulas and calculated fields
  • Charts and data visualizations
  • Pivot tables for data analysis
  • Conditional formatting rules
  • Multiple worksheets per workbook
  • Data validation and filters
Advantages
  • Open XML-based document format
  • Compressed ZIP archive for smaller file sizes
  • Supports complex document structures
  • Metadata preserved in separate XML files
  • Still readable by modern office suites
  • Predecessor to the standardized ODF format
  • Industry standard for spreadsheet data
  • Powerful formula and calculation engine
  • Data visualization with charts
  • Cross-platform compatibility
  • Macro support for automation
  • Wide software and API support
Disadvantages
  • Legacy format superseded by ODT
  • Limited support in newer applications
  • Not an international standard like ODF
  • Complex internal XML structure
  • Fewer editing tools available compared to ODT
  • Not designed for long-form document text
  • Complex internal OOXML structure
  • Cell size limits for text content
  • Potential macro security risks
  • Large file sizes with embedded objects
Common Uses
  • Legacy StarOffice and OpenOffice documents
  • Archived office documents from early 2000s
  • Government and institutional legacy files
  • Migration projects to modern formats
  • Historical document preservation
  • Financial reporting and budgeting
  • Data analysis and business intelligence
  • Inventory and project tracking
  • Scientific data collection
  • Form templates and calculations
Best For
  • Opening legacy StarOffice/OpenOffice files
  • Accessing archived document content
  • Migrating older documents to modern formats
  • Working with pre-ODF office documents
  • Tabular data analysis and reporting
  • Financial calculations and modeling
  • Data import for business applications
  • Structured data with formulas
Version History
Introduced: 2002 with StarOffice 6.0 / OpenOffice.org 1.0
Based On: XML-based office document format
Superseded By: ODT (ODF 1.0, 2005)
Status: Legacy format, still readable
Introduced: 2007 with Microsoft Office 2007
Standard: ECMA-376 (2006), ISO 29500 (2008)
Replaces: XLS binary format
Status: Active, industry standard
Software Support
LibreOffice: Full read/write support
OpenOffice: Native format support
Pandoc: Reads SXW as ODT variant
Calligra Suite: Import support
Microsoft Excel: Native format
Google Sheets: Full import/export
LibreOffice Calc: Full read/write support
Libraries: openpyxl, Apache POI, SheetJS

Why Convert SXW to XLSX?

Converting SXW to XLSX transforms legacy StarOffice Writer document content into a modern Excel spreadsheet format. This is particularly useful when SXW documents contain tables, data lists, or structured information that would benefit from Excel's powerful data analysis and calculation capabilities.

XLSX is the industry standard for spreadsheet data. By converting SXW document content to XLSX, you gain access to Excel's formula engine, charting tools, pivot tables, and data filtering capabilities. This is especially valuable when document tables contain numerical data that needs to be analyzed, sorted, or visualized.

The conversion extracts text content and table structures from the SXW archive and organizes them into spreadsheet cells. Document headings can serve as sheet titles or section headers, while table data maps directly to Excel rows and columns, ready for analysis and reporting.

Our converter parses the SXW ZIP archive, identifies table structures and text content, and generates a properly formatted XLSX file. The output opens directly in Microsoft Excel, Google Sheets, or LibreOffice Calc, with data organized in cells ready for further processing.

Key Benefits of Converting SXW to XLSX:

  • Data Analysis: Use Excel formulas, pivot tables, and charts on extracted data
  • Industry Standard: XLSX is universally supported in business environments
  • Table Extraction: SXW tables map directly to Excel rows and columns
  • Calculations: Add formulas and calculations to the extracted data
  • Visualization: Create charts and graphs from document table data
  • Collaboration: Share XLSX files via Excel, Google Sheets, or SharePoint

Practical Examples

Example 1: Financial Report Analysis

A finance department discovers quarterly reports in SXW format from an old StarOffice system. Converting to XLSX allows them to open the data in Excel, add SUM and AVERAGE formulas, create charts, and integrate the historical figures with current financial reports for trend analysis.

Example 2: Inventory Data Migration

A warehouse manager has an inventory list in an SXW document from 2004. Converting to XLSX produces a spreadsheet with product names, quantities, and prices in separate columns, ready for sorting, filtering, and importing into a modern inventory management system.

Example 3: Survey Results Processing

A research team has survey results documented in SXW tables. Converting to XLSX allows them to use Excel's data analysis tools including pivot tables, conditional formatting, and statistical functions to analyze the survey responses and generate visual reports.

Frequently Asked Questions (FAQ)

Q: How is SXW document text organized in the XLSX output?

A: Document text content is placed in spreadsheet cells. Headings typically appear in bold cells, paragraph text goes into subsequent cells, and table data maps to rows and columns. Each section of the document may be organized on the same sheet with clear visual separation.

Q: Are SXW tables properly converted to Excel tables?

A: Yes. Tables from SXW documents are converted to rows and columns in the XLSX spreadsheet. Table headers are placed in the first row, and data rows follow in subsequent rows. This structure is immediately usable for Excel's sorting, filtering, and analysis features.

Q: Can I open the XLSX file in Google Sheets?

A: Yes. Google Sheets fully supports the XLSX format. You can upload the converted file to Google Drive and open it in Google Sheets for online editing, sharing, and collaboration. All data and basic formatting are preserved.

Q: Are formulas added during conversion?

A: The converter focuses on extracting data from SXW documents. Formulas are not automatically generated. However, once the data is in XLSX format, you can easily add Excel formulas for sums, averages, counts, and other calculations.

Q: Is document formatting preserved in XLSX?

A: Basic text formatting such as bold and italic may be preserved in the spreadsheet cells. However, complex document formatting like page layout, headers/footers, and margins are not applicable to spreadsheet format. The focus is on data content rather than visual layout.

Q: Are images from SXW included in the XLSX file?

A: The conversion primarily focuses on text and table content. Embedded images from SXW documents may not be included in the XLSX output. For image-heavy documents, consider converting to DOCX or PDF instead.

Q: What is the maximum data size for conversion?

A: The converter handles typical SXW document sizes efficiently. XLSX files support up to 1,048,576 rows and 16,384 columns per sheet, which is more than sufficient for any document content. Very large SXW files with extensive table data will convert without issues.

Q: Can I use the XLSX output with Python or other programming languages?

A: Yes. The XLSX format is supported by libraries in most programming languages. Python has openpyxl and pandas, Java has Apache POI, JavaScript has SheetJS, and R has readxl. You can programmatically read and process the converted data.