Unzipping a file on a mac computer is user-friendly and intuitive. To unzip files on a mac, simply follow the steps below: Double click the zipped file. The file will automatically be decompressed by Archive Utility into the same folder the compressed file is in.
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- Unzip from the Context menu With WinZip for Mac 2.0 or later, you can right-click (or press CTRL and click) your saved Zip files and use the Context Menu to unzip them. Click on Services at the bottom of the Context menu, then choose Unzip, Email as Zip File and Add to Zip. Creating Zip Files on Mac.
I'm trying to unzip a downloaded file (Korg keyboard firmware update). I open the downloaded file with finder, click on the zipped file and a) select 'open with archive utility' or b) double click the zipped file. in both cases the file is recognised and starts to unzip then an error message appears: 'Unable to expand (Error 1 operation not permitted)'.
Restraining myself having spent '£ooo's on mac gear, I would be eternally grateful if someone could advise how to complete such a stupefyingly simple operation as unzipping a file downloaded from the internet on a Macbook Pro, running Yosemite 10.10.02.
I really hope there is enough software already on the mac somewhere to do this !!
Thanks in advance for anyone who is kind enough to help. JM
MacBook Pro with Retina display
Posted on
7-Zip is a file archiver with a high compression ratio.
Download 7-Zip 19.00 (2019-02-21) for Windows:
| Link | Type | Windows | Size |
|---|---|---|---|
| Download | .exe | 32-bit x86 | 1.2 MB |
| Download | .exe | 64-bit x64 | 1.4 MB |
Download 7-Zip 20.02 alpha (2020-08-08) for Windows:
| Link | Type | Windows | Size |
|---|---|---|---|
| Download | .exe | 32-bit x86 | 1.2 MB |
| Download | .exe | 64-bit x64 | 1.4 MB |
| Download | .exe | 64-bit ARM64 | 1.5 MB |
License
7-Zip is free software with open source. The most of the code is under the GNU LGPL license. Some parts of the code are under the BSD 3-clause License. Also there is unRAR license restriction for some parts of the code. Read 7-Zip License information.
You can use 7-Zip on any computer, including a computer in a commercial organization. You don't need to register or pay for 7-Zip.
Free Unzip Program For Mac
Download 7-Zip 20.02 alpha (2020-08-08) for Windows:
| Link | Type | Windows | Size |
|---|---|---|---|
| Download | .exe | 32-bit x86 | 1.2 MB |
| Download | .exe | 64-bit x64 | 1.4 MB |
| Download | .exe | 64-bit ARM64 | 1.5 MB |
License
7-Zip is free software with open source. The most of the code is under the GNU LGPL license. Some parts of the code are under the BSD 3-clause License. Also there is unRAR license restriction for some parts of the code. Read 7-Zip License information.
You can use 7-Zip on any computer, including a computer in a commercial organization. You don't need to register or pay for 7-Zip.
Free Unzip Program For Mac
The main features of 7-Zip
- High compression ratio in 7z format with LZMA and LZMA2 compression
- Supported formats:
- Packing / unpacking: 7z, XZ, BZIP2, GZIP, TAR, ZIP and WIM
- Unpacking only: AR, ARJ, CAB, CHM, CPIO, CramFS, DMG, EXT, FAT, GPT, HFS, IHEX, ISO, LZH, LZMA, MBR, MSI, NSIS, NTFS, QCOW2, RAR, RPM, SquashFS, UDF, UEFI, VDI, VHD, VMDK, WIM, XAR and Z.
- For ZIP and GZIP formats, 7-Zip provides a compression ratio that is 2-10 % better than the ratio provided by PKZip and WinZip
- Strong AES-256 encryption in 7z and ZIP formats
- Self-extracting capability for 7z format
- Integration with Windows Shell
- Powerful File Manager
- Powerful command line version
- Plugin for FAR Manager
- Localizations for 87 languages
7-Zip works in Windows 10 / 8 / 7 / Vista / XP / 2019 / 2016 / 2012 / 2008 / 2003 / 2000.
p7zip - the port of the command line version of 7-Zip to Linux/Posix.
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On 7-Zip's SourceForge Page you can find a forum, bug reports, and feature request systems.
Compression ratio
We compared 7-Zip with WinRAR 5.20.
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FILE SETS: Mozilla Firefox 34.0.5 for Windows and Google Earth 6.2.2.6613 for Windows. Chrome free download for mac.
| Archiver | Mozilla Firefox | Google Earth | ||
|---|---|---|---|---|
| 65 files 85 280 391 bytes | 483 files 110 700 519 bytes | |||
| Compressed size | Ratio | Compressed size | Ratio | |
| 7-Zip 9.35 -mx | 39 357 375 | 100% | 15 964 369 | 100% |
| WinRAR 5.20 -m5 -s -ma5 -md128m | 41 789 543 | 106% | 17 035 432 | 107% |
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Compression ratio results are very dependent upon the data used for the tests. Usually, 7-Zip compresses to 7z format 30-70% better than to zip format. And 7-Zip compresses to zip format 2-10% better than most of other zip compatible programs.
