How to Open Zip Files on Mac?

Megan Charles
Updated on May 24, 2017 Preview 17.4K Preview 1
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I can't open any .zip files on my Mac, This problem has been going on for awhile now. After I download a zip file on Firefox when I want to unzip the file I keep getting an error 2 message. I've tried apps to unzip the file and nothing. Please I need help! MacBook, Mac OS X (10.7.5). -From

There are a number of free and low-cost third-party compression apps available for the Mac. The Mac OS also comes with its own built-in compression system that can zip and unzip files. But when you open a zip file and just get error messages on Mac, you will find its built-in compression system is fairly basic, that is why so many third-party apps are also available. In this article, we'll recommend you a zip file opener-Cisdem Unarchiver and show you how to open zip files on Mac.


Get A Zip File Opener for Mac

Cisdem Unarchiver is a professional zip file opener for Mac that lets you batch compress files and unzip (entirely or partially) archive files on Mac. It allows you to preview the contents inside zipped files and unzip only those files you really need, that’s the function which makes Cisdem Unarchiver be the only unarchiving program you will ever need. It also lets you create password to protect your zipped files. Cisdem Unarchiver is very easy to use, you can drag & drop to decompress the zip files easily. You can use Cisdem Unarchiver to open Zip, 7z, Rar, ISO, Tar, Cab, Wim, xz, CHM, com, Hfs, Nsis, Udf files.

Why choose this software for opening Zip files on Mac

  • Rapidly compress and extract zip files in batch.
  • Supports for extracting multi-volume (or split) archive files:z01, part1.rar, 7zip.001 and zip.001
  • Supports character encoding when extracting files(non-ASCII file names will be displayed correctly)
  • Can extract only the selected files.
  • Keyword Search to quickly find your files, photos, and passwords.

Admittedly, Cisdem Unarchiver plays a great important role in opening zip files on Mac, why don’t we try it right now?

How to Open Zip Files on Mac

1. Download, install and launch Cisdem Unarchiver. Click the download button below to download the unarchiver. Afterward, install and launch this zip files opener program.

Free Download

2. Preview contents in zipped files before decompressing. Click “Add” button to add your zip files. Your zip files will be listed on the left side of window and the contents inside will be listed in the middle of window. You can preview detail information of contents without decompressing by clicking the contents.

3. Extract and open Zip files on Mac. Before you open zip file, you have to decompress the file first. If you want to decompress the whole zip file, you can right click the whole Zip files and choosing “Extract”. If you just want part of it, just select the contents you want to decompress and right click the mouse, click “Decompress” and a small window will pop up for you to edit your file name and choose tags and location to save your decompressed Zip file.

By the way, you can click here to learn more related details: How to Zip and Unzip Files on Mac?

Extended Information about Zip

What is ZIP format?

When you see a file that ends with the letters .zip, it is a compressed Zip file. Zip refers to the file extension, that is the part of the file name that occurs after the period. ZIP is an archive file format that supports lossless data compression. A .zip file may contain one or more files or folders that may have been compressed. The Zip file format was invented in 1989 by Phillip Katz, software pioneer and founder of PKWare.

What is the difference between Zip and RAR

Maybe you’ve seen RAR files, both RAR and Zip are compression methods commonly used, but what’s the difference between Zip and RAR? Creating RAR formats compress or decompress a more dense when compared with the Zip format. Other advantages of RAR is a multi-volume support. If you had to create a multi-volume archive, then use the RAR is the choice. RAR format also can overcome file size that can be said to be infinite (up to 8,589,934,591 GB). While the maximum size of the Zip file is only 2 GB. Zip format is the most popular archive on the internet. If you will send a RAR archive to a person, that person may not have software to extract the RAR archive. Another advantage of Zip is the speed, ZIP archive creation process faster than RAR archives.

Megan Charles
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Megan has an impressive deal of experience with Mac software and has the ability to explain tech stuff in a simplified, straightforward and easy to understand way.

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  • Albert

    It does what it says. It's a simple program with a simple task.

    7 years ago commonReply

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