The Unarchiver 3.9.1

A file decompressor for Mac OS X to extract and decompress files

By Reka Gimbi

On Tuesday, October 20, 2015


Developed and published by Dag Agren, The Unarchiver is a file decompressor used in Mac OS X for extracting any compressed files. The Unarchiver is an excellent tool to decompress even the hardest files like the 7-Zip or Bzip2 and Stuffit. Macs always have decompressors for main formats but there are others that need an additional app, The Unarchiver which has a high compatibility with very many compressed file formats. Taking only 5.3 MB, this utility can be described as a lightweight utility. It has a simple and clear interface to be used by all. To use this app you need to download and install it, then start using it. It has three different tabs which are the Extract, Archive Formats and Advanced which are found in the main menu. All these tabs have different tasks, Extract where you set folders to save the extracted files in, in Archive Formats, you can either mark or unmark formats to be decompressed and in Advanced you set the type of codes of the compressed files.

If you wish to decompress different file formats on your Mac OS X then Unarchiver is best for this job.


  • Compatible with multiple compressed file formats.
  • Its interface is simple and intuitive.


  • Only works on Mac OS X system.
Ease to access guides and manuals: