In this article, we look at how to compress and decompress files on a Mac and the ways you can do that with different formats.

RAR vs. ZIP files: What is the difference?

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Everyone knows what a ZIP file is. Once you've made a folder, you click on File and scroll down to “Compress “[file name]” and that turns whatever folder you’re compressing into a ZIP file.

Wherever you send it, whether someone is using a macOS device or Windows — or other operating system — a ZIP folder can be decompressed and opened. It is one of the most convenient ways to send large files in a single folder, usually through email or messenger platforms.

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2. Corel WinZip 7 Mac Pro Edition Take control of your files with WinZip 7 File Compression and Decompression Software for Mac WinZip 7 Mac Pro includes everything the Standard version offers plus support for OneDrive cloud service, a new Zip file diagnostic, the ability to install from the Zip pane, plus an install option is now visible on the context menu when an.app', '.pkg' or '.dmg' file.
3. File compression is the practice of packaging a file or files to use less disk space. The File Compression category includes software programs that will archive your files and extract archived.
4. Jul 26, 2012  The built in compression tool, like any free software, is not to the caliber of commercial compression. The point of compressing a file or files is to make them use less disk space. Compress a file or files with the built in archive function and you don't save much space.
5. Download Mac software in the Compression Tools category. A handy and practical compression and decompression utility that enables you to browse, view, crea. Mar 20th 2017, 16:27 GMT. Mac OS X 10.6.6 or later. Microsoft Edge.
6. Download Decompressor for macOS 10.10 or later and enjoy it on your Mac. ‎- Over 500.000 downloads worldwide - Decompressor is the perfect tool to quickly extract all common archive file formats (Zip, RAR, 7-zip, Tar, Gzip and much more).

Some email systems, such as Gmail, limit the file size, so if something is too large they convert the contents into a Google Drive folder. And ZIP folders can be uploaded and shared using file-transfer systems and cloud-storage solutions.

Easy, right?

Yes, in most cases — unless the files have been corrupted or for some reason the receiving computer can’t decompress them — ZIPs work everywhere, on every device. ZIP files can be created and decompressed using native macOS systems that have worked this way since the file format was created.

One of the reasons ZIPs are so easy to create and unzip is they proprietary software was released into the public domain in 1989. Making ZIPs open-source, so that every operating system creator in the world could bake this into file formatting. Hence, how useful ZIPs are and why most people use them for sending and receiving large files on Mac’s.

A RAR file, on the other hand, is a little different.

RAR files are, in many ways, more secure. RAR files are a proprietary archive format (file prefixes usually look like .rar). RAR files are named after the Russian developer who created this format, and it stands for: Roshal ARchive files.

RAR files also benefit from being able to compress much larger amounts of data. It is said they can compress up to one billion gigabytes (also known as an exabyte). They compress and transmit more quickly. RAR files are more secure, can be password protected (as can ZIPs) and even encrypted, using AES-256 encryption.

Compression Decompression Software For Mac Download

How to compress and decompress RAR files on a Mac?

Compression Decompression Software For Mac Windows 7

RAR files are more complicated to compress and decompress.

With RAR files being the result of proprietary software, you need to download software to create and decompress RAR files on your Mac. Apple’s Archive Utility does not support RAR, so you need to find another way to work with these files.

Compression Decompression Software For Mac Free

One option is The Unarchiver, a free third-party macOS app.

With this, a MacPaw app, you can open RAR on Mac. It’s times more powerful than the native macOS utility and supports infinitely more archive formats. Download and install The Unarchiver. It’s free and there is no need for in-app purchases. Now whenever you want to send or receive a RAR file, use The Unarchiver to compress and decompress these files. It really is as easy as that! Over time, ZIP and RAR files can take up space. This can slow your Mac down. Or maybe you’ve lost a file and want to find it again. We've got a solution for those problems.

How to find your hidden archives?

Sometimes we download an archive, unpack it and then forget to delete the archive. Over time, they occupy more and more space and clutter up our hard drive. Here is a tip on how to find and delete ZIP, RAR and other files that you don't need anymore.

1. Firstly, get CleanMyMac X (Download a free version here)
2. Now click Large & Old files
3. Next sort the results by Archives: this will show hidden and forgotten ZIP and RAR files;
4. Either delete or unzip/decompress them and free up some space.

As you can see, I’ve found 6.6 GB worth of archives on my Mac.

Something else CleanMyMac X can do is find hidden files with the Space Lens feature. This way, you can more easily find what you've been looking for. It’s also a convenient way to clear out files that are taking up too much space when they're not needed anymore.

Compression Decompression Algorithm

CleanMyMac X is a useful Mac performance improvement app. It can get your Mac running as good as new again. Creating more space and improving how other apps and the operating system performs, with maintenance scripts and other handy tools.