DOCX to XLSX Converter

Extract DOCX data into XLSX spreadsheets — free online

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Modern Spreadsheet Output

DOCX tables become fully functional XLSX spreadsheets. Sort, filter, and apply formulas to the extracted data immediately.

Quick Turnaround

Server-side processing means your DOCX becomes an XLSX in moments — no waiting for desktop software to churn through the file.

Nothing to Install

The entire DOCX to XLSX conversion runs in your browser. No plugins, no desktop apps — just upload and download.

How to convert DOCX to XLSX

1

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

2

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

3

Let the file convert and you can download your xlsx 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
XLSX is the default spreadsheet format for Microsoft Excel since Office 2007, based on the Office Open XML (OOXML) standard published as ECMA-376 and adopted as ISO/IEC 29500. An XLSX file is a ZIP archive containing XML documents that describe workbook structure, sheet data, styles, shared strings, formulas, charts, pivot tables, and relationships between components. Each worksheet is stored as a separate XML part where cells are organized by row and column references with typed values and style indices. The XML foundation enables programmatic spreadsheet creation and manipulation using libraries like openpyxl (Python), Apache POI (Java), and ClosedXML (.NET) without requiring Excel. XLSX dramatically expanded capacity compared to XLS: over 1 million rows and 16,384 columns per sheet, enabling use cases previously impossible in the binary format. One advantage is openness and cross-platform support — the documented OOXML specification enables implementation by LibreOffice Calc, Google Sheets, Apple Numbers, and numerous specialized tools. Built-in ZIP compression is another practical strength: XLSX files are typically 50-75% smaller than equivalent XLS files, and the modular XML structure improves data recovery when files are partially corrupted. The format supports modern Excel features including structured tables, slicers, sparklines, Power Query connections, and real-time co-authoring. XLSX has become the standard format for spreadsheet data interchange across business, scientific, and government domains.
Developer: Microsoft
Initial release: January 30, 2007

Frequently Asked Questions

Why convert DOCX to XLSX?

XLSX gives you full spreadsheet functionality — formulas, charts, pivot tables — perfect for data that lives inside Word tables.

How do I open an XLSX file?

Microsoft Excel, Google Sheets, LibreOffice Calc, Apple Numbers, and WPS Office all open XLSX files with full feature support.

What content gets extracted?

Structured and tabular content from your DOCX maps into XLSX cells. Paragraphs and images outside tables are not included.

Is the conversion free?

Yes — Convertio offers free DOCX to XLSX conversion. Premium plans handle larger files and higher daily volumes.

Can I convert a batch of documents?

Upload multiple DOCX files at once and Convertio converts them all to XLSX in parallel — no need to repeat the process.

Does it work on Chromebooks?

Convertio is browser-based, so it works on Chromebooks, iPads, and any other device with a modern web browser.

DOCX to XLSX Quality Rating

3.8 (12,362 votes)
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