Archiving data in file archives helps save space, encrypt the files, and make it easier to make files “splittable” through splitting. For this process, of course, you need the right software. This can be found in the form of pack programs such as the popular WinZip, WinRAR – and also the popular 7-Zip. The tool is one of the best open source programs, is free, portable, runs under Linux and is therefore not without reason for a long time in our top 10 downloads.
7-Zip: Easy. Better. Just better?
What exactly 7-Zip has ahead of his genre colleagues in detail, can be read in the blog post 7-Zip – better than WinRAR, WinZip and Co. In addition to a comparison of features and functions, there are even more detailed details on archiving and unpackable file formats, the possible encryption algorithms and much more.
Download 7-Zip for Mac free. 7-Zip is a file archiver with the highest compression ratio. 7 zip for mac free download - 7-Zip, 7-Zip (64-bit), WinZip Mac, and many more programs.
Packing, unpacking, compressing – this is how 7-Zip works
There are tons of different archive file formats. ZIP, RAR and TAR are just a few of the more familiar – less known and obscure formats there are still more lengths. In order not to need a separate software for each format, it is a good idea to use a program that can deal with many different things at the same time. In this respect, 7-Zip is not the absolute plus, but it is at the forefront. The tool unpack files of formats AR, ARJ, CAB, CHM, CPIO, CramFS, DMG, EXT, FAT, GPT, HFS, IHEX, ISO, LZH, LZMA, MBR, MSI, NSIS, NTFS, QCOW2, RAR WinRAR), RPM, SquashFS, UDF, UEFI, VDI, VHD, VMDK, WIM, XAR and Z. The formats 7z, XZ, BZIP2, GZIP, TAR, ZIP and WIM can be unpacked and packaged.
It should be noted, however, That 7-Zip distinguishes between archive format and compression method. ZIP (WinZip), 7z, WIM, and TAR are archive formats, while Deflate, Defold, LZMA, BZIP2, and PPMD are available as compression methods for ZIP files. If you pack 7z archives, you can choose between LZMA, LZMA2, BZIP2 and PPMD. TAR and WIM files can not be further compressed with 7-Zip.
Self-extracting archives – even in small parts
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Thanks to the LZMA compression, archives in the 7z format can be packed a whole lot smaller – the high compression rate makes it possible. In addition, the archives can also be divided into many sub-archives, each correspondingly small. This helps with the transfer, during the “transport” on data carriers or when sending by e-mail. If you want, you can set the decomposed 7z-archives before the compression and archive so that they become quasi self-extracting. To do this, 7-Zip creates an executable EXE file, which can unpack the archived files by a simple double-click.
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Zipping files also helps to encrypt and protect data sent via email. No matter you use a PC or a Mac, saving a document as a Zip file is simple to do. The easiest and quickest way to convert 7z to zip is using online services. By the way, online services don't allow you to batch convert 7z to Zip. How to Convert 7z to Zip Online?
Pack and encrypt files
If you want to provide additional security, you can protect packed file archives after compression using AES encryption. This works for archives in the formats ZIP and 7z. Encryption can be used to send the finished archives even more securely over the Internet. With password secured these archives can only be unpacked by the initiates. However, it is possible to open it, so you can see which files and folders are in the archive despite the password backup.
Standalone file manager
Conveniently, 7-Zip has a built-in file manager that helps you manage, edit, pack and unpack on a graphical interface. The packer opens an intuitive window, where all important settings for packing and unpacking can be made. As a rule, you can leave everything as it is, and only adapt the archive or file name. If you want to go into more detail, you can also change the archive format, compression strength, compression method, dictionary size, word size and password for encryption. Depending on the archive format used, different and not always all options are available here.
Portable version and source code
If you install 7-Zip on a Windows computer, the tool will also open in the context menu of the explorer and is then accessible from here. For example, files in the Explorer can easily be combined and added to new archives by right-clicking. To take away, there are 7-Zip Portable, which can run from USB sticks and other removable media. If you have the runtime environment under Linux Wine installed, can also be used on Linux computers, the portable version of 7-Zip. Alternatively, you can use the command-line tool p7zip under Linux.
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The source code of the open source program is also available and can be modified and recompiled almost without restrictions. The only exception is the code of the RAR archives. Although 7-Zip can only unpack it and not pack it, the archiving algorithm could theoretically be developed back. This is, however, reserved for WinRAR and therefore not allowed.
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