Frequently Asked Questions

Find answers to common questions about ZArchiver

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Basics Features Compression Extraction Security Advanced Usage

Basic Information

ZArchiver is a powerful and free file archiver and manager for Android devices that supports various archive formats. Key features include:

  • Comprehensive format support (ZIP, 7Z, RAR, etc.)
  • User-friendly interface
  • Advanced compression capabilities
  • Secure file management

  • Android Version: 4.1 or higher (6.0+ recommended)
  • Storage Space: Minimum 10MB free
  • RAM: 1GB minimum (2GB+ recommended)
  • Architecture: Supports ARM, ARM64, and x86

Features & Capabilities

Creation Formats:
  • ZIP (with AES encryption)
  • 7Z (with advanced compression)
  • TAR (with various compressions)
  • GZIP and BZIP2
Extraction Formats:
  • RAR (including RAR5)
  • ISO and UDF images
  • CAB and MSI files
  • Many other archive types

Core Features:
  • Multi-core compression support
  • Password protection
  • Split archive creation
  • File preview capability
Advanced Features:
  • Root access support
  • Archive repair tools
  • Custom sorting options
  • Batch processing

Compression & Archives

  1. Select files/folders to compress
  2. Tap "Add to archive" button
  3. Choose archive format (ZIP/7Z recommended)
  4. Set compression level
  5. Optional: Set password protection
  6. Tap OK to start compression
Tip: Use ZIP for best compatibility or 7Z for better compression.

For large files, you have several options:

  1. Split archives:
    • Enable "Split to volumes"
    • Set volume size (2GB recommended)
    • Choose sequential naming
  2. Optimize compression:
    • Use appropriate compression level
    • Consider file types
    • Monitor device resources

Extraction & Access

  1. Navigate to the archive file
  2. Tap the archive to open it
  3. Select "Extract" option
  4. Choose destination folder
  5. Enter password if required
  6. Wait for extraction to complete
Tip: Use "Test archive" before extraction to verify integrity.

For password-protected archives:

  1. Enter the correct password when prompted
  2. Note the encryption method used:
    • ZIP: ZipCrypto or AES-256
    • 7Z: AES-256
    • RAR: AES-128
  3. For forgotten passwords:
    • No built-in recovery option
    • Contact archive creator
    • Consider password recovery tools

Security & Privacy

ZArchiver uses industry-standard encryption:

  • AES-256 for 7Z and modern ZIP
  • ZipCrypto for legacy ZIP
  • AES-128 for RAR archives
Note: Encryption strength depends on password complexity.

Advanced Usage

Root access provides additional capabilities:

  • System directory access
  • Direct modification of system archives
  • Advanced permission handling
Warning: Root operations can be dangerous. Use with caution.

Performance Tips:
  • Use multi-threaded compression
  • Clear cache regularly
  • Choose appropriate formats
  • Monitor resource usage
Best Practices:
  • Split large archives
  • Use solid compression wisely
  • Balance compression levels
  • Maintain free storage