¿Qué es XLSX (Microsoft Excel)?

Aprende qué son los archivos XLSX (Microsoft Excel), cómo funcionan y cuándo usarlos. Guía completa sobre el formato XLSX con pros, contras y casos de uso.

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XLSX

¿Qué es XLSX (Microsoft Excel)?

Guía completa sobre el formato de archivo XLSX

Última actualización:

Year2007
TypeHoja de cálculo
UsageDatos y hojas de cálculo

What is it?

XLSX es el formato de archivo estándar para hojas de cálculo de Microsoft Excel, introducido en 2007 como parte del estándar Office Open XML. Reemplazó el antiguo formato binario XLS.

Los archivos XLSX son archivos ZIP que contienen archivos XML que describen los datos de la hoja de cálculo, fórmulas, gráficos y formato. El formato es compatible con la mayoría de las aplicaciones de hojas de cálculo.

Technical Specifications

StandardOffice Open XML (ISO/IEC 29500)
ContainerZIP archive with XML files
SoftwareMicrosoft Excel, Google Sheets, LibreOffice Calc
IntroducedExcel 2007 (replacing.xls)
Max Rows1,048,576 rows
Max Columns16,384 columns

Pros & Cons

Advantages

Universal Compatibility

XLSX is supported by Excel, Google Sheets, LibreOffice, and Numbers.

Formula Support

Full support for complex formulas, functions, and pivot tables.

Charts and Graphs

Built-in charting and data visualization capabilities.

Large Data Sets

Supports over 1 million rows for large data analysis tasks.

Disadvantages

Not for Databases

XLSX is a spreadsheet, not a database - large datasets are better in proper database systems.

Formatting Drift

Complex XLSX formatting may appear differently in non-Excel applications.

Performance

Very large XLSX files can be slow to open and process.

Macro Risks

XLSX files with macros can be a security risk when received from unknown sources.

When to Use It

Aquí están las situaciones más comunes donde XLSX (Microsoft Excel) es la elección correcta:

Financial Analysis

XLSX is the standard for financial modeling, budgeting, and reporting.

Data Analysis

Data analysts use XLSX for data cleaning, analysis, and visualization.

Business Reports

Quarterly and annual reports with charts and pivot tables use XLSX format.

Data Exchange

XLSX is commonly used to exchange structured data between systems.

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Frequently Asked Questions

What is the difference between XLS and XLSX?

XLS is the older binary format (before Excel 2007). XLSX is the newer XML-based format that is more compatible and efficient.

Can Google Sheets open XLSX?

Yes, Google Sheets fully supports opening and editing XLSX files.

How do I convert XLSX to CSV?

Use Excel (Save As > CSV) or our free online converter to convert XLSX to CSV for data portability.

Can I open XLSX on Mac?

Yes, Numbers and Microsoft Excel for Mac both fully support XLSX format.

Is XLSX secure?

XLSX files can contain macros. Only open XLSX files from trusted sources as macros can execute malicious code.

Referencias

  1. ECMA-376 Office Open XML File Formats - Ecma International
  2. XLSX Transitional (Office Open XML), ISO 29500, ECMA-376 - Library of Congress
  3. Office Open XML - Wikipedia