By Nathan E. Malpass, Last updated: August 27, 2019

Part 1. Introduction

In the drop-down menu that appears, click on 'Compress.' A zip file will be created in the same directory as the original folder. How to Zip Files Using Mac Terminal. You can Zip your files in Mac's Terminal in different ways, but the simplest method will be outlined here for you. Open up a Finder window. The Unarchiver is an absolutely free macOS app that can be successfully used as a substitute for Apple's, the free built-in unarchive utility. At the moment, The Unarchiver is distributed directly on the developer’s website and through Apple’s Mac App Store, the single difference between the two apps being that the App Store version is sandboxed, while the one.


ZIP is a frequently used archive file format in daily life. For instance, when you need to email more than 5 or up to 20 files as attachments at a time to other people, it is convenient to add those files to a ZIP file before you send them out. To begin with, a ZIP file helps to manage and organize plenty of files to avoid making a mess. What is more, files could be compressed in a ZIP file. When encountering a situation that your files are too large to upload, you can consider zipping your files. Last but not least, it can increase the speed in conveying with ZIP files.

A ZIP file is used in not only Windows system, but macOS system as well. However, some users complain that sometimes a ZIP file is unable to be expanded on Mac. You perhaps are once trapped in such a dilemma. Therefore, in this article, it is going to talk about how to fix the issue - unable to expand ZIP on Mac.

Part 2. Reasons Why Unable to Expand ZIP Files

You may receive a message like 'Unable to unarchive into Desktop' (Error 1 - Operation not permitted.) or 'Decompression Failed' when you are unable to expand ZIP files on your Mac. Several reasons may cause the problem that you fail to expand ZIP files on your Mac.

Some compressed file files unable to be opened are caused by the instability of the computer network. Check the network whether involved in the failure of extracting ZIP files.

If your ZIP files are downloaded in browsers, please remind whether your ZIP files are damaged because you close the websites before the downloading completes.

If your ZIP files are not fully downloaded, your files are not successfully opened either.

Double confirm and exclude the reasons above, if you remain to fail to open the ZIP files, please try to extract them again along the three methods introduced in the following three parts in order to check the steps of expanding.

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Part 3. Open ZIP Files in Finder

As macOS has its own built-in function to recognize and expand ZIP files on your Mac, therefore, the first method to open ZIP files on your Mac below is extremely easy for you.

Let us see how to open your ZIP files immediately:

  1. Find out the ZIP file in Finder on your Mac.
  2. Double-click the selected ZIP file. Then, the file starts to be extracted.
  3. An unzipped file with the same name will appear and saved together with the original ZIP file later.

In addition, you can also right-click the ZIP file and select the Open option to view the ZIP files after you locate it in Finder.

Zip Unarchiver Mac

Frankly speaking, if there are no other problems, you can successfully realize to open ZIP files.

Part 4. Expand ZIP Files in Terminal

Terminal on a Mac greatly helps you implement your commands, including expanding ZIP files. You can carry out the expanding command for your ZIP files in Terminal with the following simple steps:

  1. Open Terminal on your Mac.

Path: Launchpad> Other> Terminal or Command + Space and type Terminal.

  1. Copy and paste the following code in Terminal.

unzip ~/Downloads/


Part 5. Extract Zipped Files with PowerMyMac - Unarchiver

Except for the ZIP files, there are other two frequently used archive file format: RAR and 7Z files. However, RAR and 7Z files cannot be read directly on a Mac. To expand a RAR or 7Z file on your Mac, you are supposed to run with reliable third-party software. PowerMyMac is recommended here. In its ToolKit module, you can use the Unarchiver tool to expand your zipped files.

Read the following steps to know how to deal with your zipped files.

Step 01- Download and Install PowerMyMac

First of all, you need to download and install PowerMyMac on your Mac. Go to FoneDog’ s official website or click the link below.

Step 02 - Choose Unarchiver

After installing PowerMyMac on your Mac, you can check the running status in details of your Mac in Status module, and then choose Unarchiver in ToolKit.

Step 03 - Select Your Files

Directly drag your files in the blank site on the left or browse files in the Compression Path to select a file.

Zip Unarchiver Mac

Step 04 - Compress Your Files

Press the Compress button to start to compress your file.

Step 05 - Decompress Your Files

Also, if you need to decompress your files, you can directly drag your files in the blank site on the left or browse files in the Compression Path to select a file. Later, press the Decompress button to implement the command.

It would be a notification to tell you the completion.

However, since you have installed PowerMyMac on your Mac device, you have no need to follow the steps above to extract your RAR or 7Z files. When you save the RAR or 7Z files on your Mac, they would be shown with a blue “P” icon, the same as PowerMyMac. Double-click the files, they can be automatically transformed to a ZIP file.

Part 6. Conclusion

In total, three main ways are provided for you to expand zipped files in this article: open ZIP files on Mac, expand ZIP files in Terminal and extract zipped files with PowerMyMac - Unarchiver.

You are better to download and install the third-party software PowerMyMac - Unarchiver to help you unzip files.

PowerMyMac - Unarchiver is indeed a powerful and comprehensive software for you to fix diversities of issues occurring in your use on Mac. No matter you are unable to expand ZIP files or you are not allowed to directly extract RAR and 7Z files on your Mac, PowerMyMac - Unarchiver can quickly extract all of your zipped files with simple clicks.

Hope the methods to open your zipped files would be useful for you. If any question, please feel at ease to write down your comments below or email to contact us.

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Download 7-Zip for MacOS. 7Zip is a great app that should be included on iTunes. As productivity is a concern on all Apple devices, the development of 7Zip would be a great delight for all its users. I mean, why not? It is the most powerful and secure archiving and file compression tool in its category and field. For more resources about 7Zip for other operating systems, check out our other articles on 7Zip.

So, you are one of society’s opulent citizens or perhaps meticulous with the software and security. Thus, you prefer using Mac computers. As a matter of fact, some programs and software for Windows, Linux, and Mac are programmed differently. This goes the same with 7Zip for Mac.

By default, Mac OS X is incapable of handling these files. But this shouldn’t be much of an issue as there are lots of other archiving tools available that can open a .7z file and other file compression formats.

The 7Zip file formats are considered better file compression settings because of their high security and overall stability. It 7Zip can compress any file much better than ZIP and WinRAR or WinZip. This makes 7Zip safer and a much better choice.


  • 1 A Walkthrough on 7-Zip for Mac
    • 1.1 Reminder

A Walkthrough on 7-Zip for Mac

Keep on reading as we are going to walk you through the steps for opening .7z archive files regardless of what version of Mac OS you are using. Don’t worry, it is easy and quick to do even it gets an error cannot open a file as an archive sometimes. Here’s how it goes.

  1. Download “The Unarchiver” first. The latest version is 4.3.0 and supports macOS 10.7 or later. the file is 15.2 MB. You can either download it from the Mac App Store or click here for direct download.
  2. The application is relatively small so you should be able to get it installed for a few seconds depending on your internet speed.
  3. As soon as The Unarchiver application finishes installing, open it and you will see the file association list.
  4. Launch the Unarchiver and there you’ll find the file association list, inform the Unarchiver to associate it with .7z files.
  5. The moment that you’ve associated the Unarchiver with .7z you could then double-click any .7z file on your Mac computer. It will then open and uncompress like other archive formats or launch Unarchiver and just drag and drop the 7z files to the utility.

This is everything that you have to know in opening any .7z archive files saved on your Mac computer. After installing the UnArchiver and associated it with .7z 7Zip files, you may now launch the .7z archive simply by double-clicking on it. Inside the UnArchiver utility, your file will open and decompress the original 7z file. It will exit the app automatically when it is finished. It is possible to directly open the Unarchiver and open the file in the Unarchiver directly where it’ll be extracted.


Since 7Zip archives have undergone a strong compression procedure, it sometimes takes a while in order to completely extract large 7z files. Don’t be surprised as well if the 7Zip has expanded to something bigger than the original file size as the size of the archive. This is totally normal. Just be sure that you have enough disk space to accommodate all the uncompressed data.

Unarchiver is a well-known solution to all kinds of archive formats available on Mac. It’s been discussed as an alternative when you have to unRAR and open RAR files in Mac OS and it can open virtually any archive format you might come across. This can include but not limited to:

  • 7z
  • zip
  • sit
  • tgz
  • tar
  • gz
  • rar
  • bzip and;
  • hqx

Due to its expansive nature and free of charge, it is a wonderful addition to your Mac software toolkit. Well, it is comparable to a Swiss army knife but for computers.

The Complete Package

The unarchiver

The Unarchiver

The Unarchiver provides support to every release of the Mac OS software that’s in use. This is regardless if you’re using the latest release, Sierra, macOS High Sierra, Mac OS X El Capitan, Mountain Lion, Mavericks, Snow Leopard, Yosemite, and so forth. It’ll work and can get the job done in opening and decompressing zip as well as other archive formats available.