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.GENOZIP file extension

To open .GENOZIP files on Windows, install the Genozip command-line tool from the official Genozip site (you need the genozip and genounzip commands).

To open a .genozip file, use Genozip’s decompression tool (genounzip). If you don’t have Genozip installed, you’ll need to install it on a desktop OS (Windows, macOS, or Linux) and then decompress the archive there.

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Last updated: April 30, 2026 · Reviewed by Julian Stricker

Open on your device

Choose your operating system for a dedicated step-by-step opening guide.

How to open .GENOZIP files

Use these platform-specific instructions to open .GENOZIP files safely.

Windows

  1. Install the Genozip command-line tool from the official Genozip site (you need the genozip and genounzip commands).
  2. Open PowerShell or Command Prompt in the folder containing the .genozip file.
  3. Run the decompressor: genounzip yourfile.genozip (use the exact filename you have).
Full Windows guide

Mac

  1. Install the Genozip command-line tool from the official Genozip site (you need the genozip and genounzip commands).
  2. Open Terminal and cd to the folder containing the .genozip file.
  3. Run: genounzip yourfile.genozip.
Full Mac guide

Linux

  1. Install the Genozip command-line tool from the official Genozip site (you need the genozip and genounzip commands).
  2. Open a terminal and change to the directory containing the .genozip file.
  3. Run: genounzip yourfile.genozip.
Full Linux guide

iOS

  1. There is no common iOS app support for .genozip; transfer the file to a computer and decompress it with genounzip.
Full iOS guide

Android

  1. There is no common Android app support for .genozip; transfer the file to a computer and decompress it with genounzip.
Full Android guide

Security notes

  • .genozip is an archive container; treat it like other archives and only decompress files you trust, because the decompressed output could include unsafe or unexpected content (depending on what was archived).
  • Be cautious when decompressing archives from untrusted sources into sensitive directories: extraction can create or overwrite files, so decompress into an empty, dedicated folder first.
  • If decompression fails repeatedly, avoid trying many third-party “converter” tools; use the official Genozip tools to reduce the risk of mishandling or misparsing the format.

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Can't open this file?

These are the most common causes and fixes when .GENOZIP files fail to open.

Common reasons

  • The file won’t open in archive apps (Zip/7z/RAR tools)
  • “Command not found” / Genozip isn’t recognized
  • Decompression fails or outputs are incomplete
  • You expected a single restored file but got multiple files (or a packaged archive)

Fix steps

  1. Use Genozip’s official tools instead of a generic unarchiver.
  2. Decompress with genounzip (not genozip) when your goal is to restore the original file(s).

OS-specific troubleshooting

What is a .GENOZIP file?

A .genozip file is a Genozip-compressed archive produced by the Genozip command-line program. It is an archive format listed among archive formats and uses the registered media type application/vnd.genozip. Genozip also supports an “archiving” mode (e.g., with a tar-like option) to package multiple items into a single .genozip output, depending on how it was created.

Background

GENOZIP is designed for compressing genomic and related bioinformatics file types into a single .genozip output for storage and transfer. In typical workflows, users create a .genozip file using the genozip command and later restore the original data using the corresponding decompression command (genounzip).

Common MIME types: application/vnd.genozip

Further reading

Authoritative resources for more details on the .GENOZIP format.

Common .GENOZIP issues

The file won’t open in archive apps (Zip/7z/RAR tools)

.genozip is its own format and usually won’t be recognized by general-purpose archive utilities.

  1. Use Genozip’s official tools instead of a generic unarchiver.
  2. Decompress with genounzip (not genozip) when your goal is to restore the original file(s).

“Command not found” / Genozip isn’t recognized

This happens when Genozip isn’t installed or your shell can’t find the genozip/genounzip executables.

  1. Install Genozip following the vendor instructions so genozip and genounzip are available.
  2. Reopen your terminal (or command prompt) and try again, or run the tool from its installation directory.

Decompression fails or outputs are incomplete

The .genozip file may be corrupted, partially downloaded, or otherwise truncated.

  1. Re-download or re-copy the .genozip file and try genounzip again.
  2. If you received it from someone else, ask for the file to be recreated/re-sent from the original source.

You expected a single restored file but got multiple files (or a packaged archive)

Genozip can be used in an archiving mode to package content (for example, with a tar-like option), so decompression may restore a set of files rather than one.

  1. Check how the file was created (for example, whether an archiving option was used).
  2. After genounzip, review the output directory to find all restored files.

FAQ

What program opens a .genozip file?

Genozip’s command-line tools: use genounzip to decompress a .genozip file (and genozip to create them).

Is .genozip the same as .zip or .tar.gz?

No. It is a separate archive/compression format associated with Genozip and is not generally supported by standard ZIP/TAR tools.

What is the MIME type for .genozip?

application/vnd.genozip.

Can I open .genozip on iPhone or Android?

There is no common mobile support; typically you transfer the file to a desktop system and decompress it with genounzip.

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