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How to open .GZ files on Windows

To open .GZ files on Windows, use 7-zip or winrar to decompress..

Step-by-step instructions

  1. Use 7-Zip or WinRAR to decompress.
  2. If it is a .tar.gz package, extract twice or use 7-Zip's direct extraction.

Recommended software

  • Built-in extractor
  • 7-Zip
  • WinRAR

Alternative methods

  • Open .GZ in a browser-based viewer if desktop apps fail.
  • Try opening .GZ on Windows with a secondary app to rule out app-specific issues.
  • Convert .GZ only with trusted tools when direct opening is not possible.

Common issues

Decompressed file has no extension

The original filename may not include a standard extension.

  1. Inspect file with file command on Linux/macOS.
  2. Open in a text editor to identify content type.
  3. Rename only after confirming actual format.

Security note

Compressed files can hide malicious payloads.

Back to .GZ extension page