¿Qué es 7Z (archivo 7-Zip)?

Aprende qué son los archivos 7Z (archivo 7-Zip), cómo funcionan y cuándo utilizarlos. Guía completa sobre el formato 7Z con pros, contras y casos de uso.

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7Z

¿Qué es 7Z (archivo 7-Zip)?

Guía completa sobre el formato de archivo 7Z

Última actualización:

Year1999
TypeArchivo
UsageArchivado con máxima compresión

What is it?

7Z es el formato de archivo nativo de la utilidad gratuita y de código abierto 7-Zip. Utiliza el algoritmo de compresión LZMA que proporciona una compresión significativamente mejor que ZIP y RAR.

7Z logra una compresión de 30-70% mejor que ZIP para muchos tipos de archivos, siendo completamente gratuito y de código abierto, lo que lo convierte en la mejor opción para máxima compresión sin costo.

Technical Specifications

Software7-Zip (free, open-source)
CompressionLZMA/LZMA2 (best available)
LicenseOpen source / LGPL
EncryptionAES-256
Max File SizeVirtually unlimited (16 exabytes)
Compression Ratio30-70% better than ZIP

Pros & Cons

Advantages

Mejor Compresión

7Z achieves the highest compression ratios of any common archive format.

Completamente Gratis

7-Zip is free and open-source - no paid software required to create 7Z files.

Cifrado AES-256

Strong encryption for secure password-protected archives.

Sin Límites de Tamaño

7Z supports files and archives up to 16 exabytes.

Disadvantages

Menos Compatible

7Z is not natively supported by Windows or macOS - requires 7-Zip software.

Compresión Más Lenta

Maximum compression with LZMA uses significant CPU time and memory.

Menos Familiar

Many users are not familiar with 7Z format compared to ZIP.

Sin Recuperación de Errores

Unlike RAR, 7Z does not have built-in error recovery records.

When to Use It

Aquí están las situaciones más comunes donde 7Z (archivo 7-Zip) es la elección correcta:

Compresión Máxima

Use 7Z when ZIP is too large and you want the best compression for free.

Distribución de Software

7Z is excellent for distributing large software packages efficiently.

Archivos de Respaldo

7Z creates very compact backups with strong encryption.

Compartiendo Archivos Grandes

When file size limits are a concern, 7Z minimizes archive size.

How to open a 7Z file

Software for working with 7Z files can be categorized into professional tools, free/open-source applications, browser-based solutions, and built-in utilities. Professional tools often offer advanced features suitable for businesses, while free and open-source options are ideal for individual users or small projects. Browser-based tools provide convenience for quick access without installation, whereas built-in utilities are typically limited in functionality but readily available on many operating systems.

Key decision factors for selecting software to handle 7Z files include feature fidelity, whether the software allows for editing or just viewing, the cost model, and platform compatibility. Users should consider their export needs, as some applications may offer better conversion options than others. In scenarios where editing is not required, lightweight viewers may suffice, while comprehensive tools are better suited for extensive file management and manipulation.

7-Zip 22.01

Windows, macOS, LinuxFree (GPL)

7-Zip is a free and open-source file archiver that natively supports the 7Z format. It provides high compression ratios and allows users to create, extract, and manage 7Z archives with ease, maintaining full fidelity of the original files.

Funciones clave
  • High compression ratio for 7Z files
  • Supports AES-256 encryption for security
  • Multi-threading support for faster processing
  • Integration with Windows Shell for easy access
Fortalezas
  • Completely free and open-source
  • Extensive format support beyond 7Z
  • Lightweight and fast performance
Limitaciones
  • Limited user interface design
  • No built-in file preview capabilities

Exporta a: ZIP, TAR, GZ, BZ2

Ideal para: 7-Zip is the best choice for users seeking a powerful, free tool to manage 7Z files without any cost.

Visitar 7-Zip →

WinRAR 6.21

Windows, macOS, LinuxOne-time $29.00

WinRAR is a popular file compression tool that supports 7Z files among many other formats. It allows users to create, extract, and manage 7Z archives, offering a user-friendly interface and robust features for file handling.

Funciones clave
  • Create self-extracting 7Z archives
  • Repair corrupted 7Z files
  • Advanced compression algorithms
  • Multi-volume archive support
Fortalezas
  • User-friendly interface for beginners
  • Strong support for various archive formats
  • Regular updates and improvements
Limitaciones
  • Paid software after trial period
  • Can be resource-intensive on older systems

Exporta a: ZIP, TAR, ISO, CAB

Ideal para: WinRAR is ideal for users who prefer a polished interface and advanced features for managing 7Z files, despite its cost.

Visitar WinRAR →

PeaZip 9.3.0

Windows, LinuxFree (GPL)

PeaZip is a free file archiver that supports a wide range of archive formats, including 7Z. It offers a comprehensive set of features for creating and extracting archives, with a focus on security and usability.

Funciones clave
  • Strong AES encryption for 7Z files
  • Batch processing for multiple files
  • File integrity checking tools
  • Customizable user interface
Fortalezas
  • Cross-platform compatibility
  • Robust security features
  • Highly customizable options
Limitaciones
  • Less intuitive for new users
  • Occasional performance issues with large files

Exporta a: ZIP, TAR, ARC, 7Z

Ideal para: PeaZip is best for users looking for a free, secure, and customizable tool to handle 7Z files across different platforms.

Visitar PeaZip →

Bandizip 7.25

Windows, macOSFree / Paid

Bandizip is a lightweight and fast archiving tool that supports 7Z files, providing a simple interface for creating and extracting archives. It emphasizes speed and efficiency, making it suitable for users who need quick access to their files.

Funciones clave
  • Fast drag-and-drop extraction
  • Multi-core compression support
  • Password protection for archives
  • Context menu integration for ease of use
Fortalezas
  • Very fast extraction speeds
  • Simple and clean user interface
  • Supports a wide range of formats
Limitaciones
  • Some advanced features require paid version
  • Limited support for Linux users

Exporta a: ZIP, TAR, ISO, 7Z

Ideal para: Bandizip is perfect for users who prioritize speed and simplicity when working with 7Z files, especially on Windows.

Visitar Bandizip →

Convertir Archivos 7Z (archivo 7-Zip)

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Referencias

  1. 7z archive format - 7-Zip documentation
  2. 7z File Format - Library of Congress
  3. 7z - Wikipedia