How to open a 7Z file

A .7z is a 7Z file: Better compression than ZIP. Needs 7-Zip or similar to open. 7-Zip (Windows), The Unarchiver / Keka (macOS), built-in on Linux open it. Or drop it below: it opens and converts in your browser, nothing to install.

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Three ways to open it

  1. Drop the .7z file above: it opens and converts right here, nothing to install.
  2. For a desktop app: 7-Zip (Windows), The Unarchiver / Keka (macOS), built-in on Linux.
  3. If it still will not open, convert it to ZIP, that is what most people are really after.

Convert a .7z

7Z → ZIP7Z → TAR7Z → GZ

Questions

What program opens a .7z file?

7-Zip (Windows), The Unarchiver / Keka (macOS), built-in on Linux. Or drop it here, without installing anything.

Why won't my .7z open?

Either the viewer does not know 7Z, or the file is damaged or misnamed. Converting to ZIP fixes the first case.

Is it safe to open a .7z here?

Yes: the file is read in your browser and never leaves your device.