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To download The Unarchiver from the Mac App Store, you need a Mac with OS X 10.6.6 or later. Learn More.

The Unarchiver

By Dag Agren

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The Unarchiver is a small and easy to use program that can unarchive many different kinds of archive files. It will open common formats such as Zip, RAR, 7-zip, Tar, Gzip and Bzip2. It will also open many older formats, such as StuffIt, DiskDoubler, LZH, ARJ and ARC. It will even open other kinds of files, like ISO and BIN disc images, some Windows .EXE installers. The list is actually much longer - see the program homepage for the full list.

The Unarchiver also tries to detect and correctly handle the filename encoding in the archives it opens, allowing you to open files from every part of the world without getting garbled filenames.

The Unarchiver aims to be the only unarchiving program you will ever need, and to stay out of your way.

However, if you want to browse the contents of archives, or if you want to support development of The Unarchiver, look for "The Archive Browser" on the Mac App Store, or go to! It lets you browse and preview archive contents, and find out information about archives!

Also, if you need to open archives on your iPad or iPhone, look for "Archives" on the App Store, or go to It is based on The Unarchiver, and lets you easily handle Archives on iOS!

What's New in Version 3.9.1

* The Archive Browser for Mac OS X and Archives for iOS have also been updated! Look for them in the App Stores!
* 3.9.1: Fixed extraction of double-format archives like .tar.gz, which was accidentally broken in 3.9.
* Add Dutch translation.
* Add support for PMA files.
* Better support for broken Zip files.
* Fixed bugs in handling of NSIS and MSI files.
* Fixed a bug where minimizing the window could make it remain open after extracting.
* Tiny interface tweaks.


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Customer Reviews

Good bye Stuffit Expander

I used Stuffit Expander for years and never really though much about it. Then one day I saw an article that mentioned The Unarchiver and how great it was. There is nothing fancy about a file expander. If it opens the file, it has done it’s job; but I figured I would give The Unarchiver a try because Stuffit Expander hasn’t been updated in years.

Several times I have downloaded crupted archives that are split into multiple files. — Stuffit Expander’s progress bar only shows for the first file in the archive. If you open a four part archive with Stuffit Expander, the progress bar would be full after reading the first file in the archive and then just sit there until the error accured. — The Unarchiver’s progress bar shows the progress of the whole archive decompression. If you open a four part archive with The Unarchiver and the progress bar is at 3/4, and then it reports an error… obviously the error is in the fourth file. With The Unarchiver If there is an error in an archive, you have a idea of at what point the error accured and which file to redownload. That sold me. It’s a little thing, but a big time saver.


I almost lost a year’s worth of work!!! I”m talking about an 8 gig zip file here!!!

I compressed the folder in order to save disk space (something that I”ll be very hesitant to do in the future) and when I went to unarchive it, I kept getting an "error 1- action not permitted” dialogue box. I freaked out!!! I tried other unarchivers, tried a trick in terminal and tried opening the zip in my other mac. NOTHING WORKED!!! Either the familiar ‘error 1’ box would pop up or the app would say that the file may be corrupt.

Then I saw a forum where someone else had the same problem. Another user suggested The Unarchiver and the person with the original problem reported back that it had worked. Funny thing was, The Unarchiver had already been in my app folder.
My jaw dropped open when it started unzipping the folder. I could tell that it was working because it started naming off the contents at the bottom of the progress bar.

Thank you! Thank you! Thank you!

After using a few of the other unarchivers, I really appreciate the fact that The Unarchiver actually HAS a progress bar. The other apps that I used didn’t and it was hard to tell wether they were actively trying to open my zip file or not.

Once again, thank you so much!!!

Great alternative to Stuffit Expander

I used Stuffit Expander for years but the old version has not been updated in a long time. The new version Stuffit Expander 16 is slow, buggy, and not seamless. It did not even associate compressed files with the App so I had to manually set all of them under the file “Info” page to even get it to recognize them. Also it froze a lot.

The Unarchiver installed very quick and immediately my compressed files in the downloads folder were associated with it, clicked on them and it asked for the output location, it remembered my preference for this, and the files were compelted super fast. Works just like the old Stuffit Expander. Easy, painless, and fast.

The Unarchiver
View in Mac App Store
  • Free
  • Category: Utilities
  • Updated:
  • Version: 3.9.1
  • Size: 5.3 MB
  • Languages: English, Arabic, Bokmål, Norwegian, Bulgarian, Czech, Dutch, French, German, Italian, Japanese, Latvian, Polish, Portuguese, Russian, Simplified Chinese, Spanish, Turkish
  • Seller:

Compatibility: OS X 10.6.0 or later

Customer Ratings

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