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This article mainly introduces 7z and zip which belongs to lossless compression, the article is very detailed, has a certain reference value, interested friends must read it!

Both 7z and zip are lossless compression. 7z is a mainstream and efficient compression format, which has a very high compression ratio; ZIP file format is a file format for data compression and document storage. 7z compression ratio is larger, followed by zip; zip format is more common and extensive, and the windows operating system supports zip format by default.

Both 7z and zip are lossless compression.

7z is a mainstream and efficient compression format with a very high compression ratio. In computer science, 7z is a file format that can use a variety of compression algorithms for data compression. This format was originally implemented and adopted by 7-Zip, but the file format is public, and the 7-Zip software itself is open source under the GNU wide General Public license (GNU LGPL) agreement. The latest version of the LZMA SDK is V9.34. The MIME type of 7z format is application/x-7z-compressed.

The ZIP file format is a file format for data compression and document storage, formerly known as Deflate, invented by Phil Katz, who published the data in this format in January 1989.

ZIP usually uses the suffix ".zip" and its MIME format is application/zip. Currently, the ZIP format is one of several mainstream compression formats, and its competitors include the RAR format and the open source 7z format.

In terms of performance, the compression ratio of RAR and 7z format is higher than that of ZIP format, while 7-Zip is gradually used in more fields because it provides free compression tools.

Microsoft has built-in support for zip format from the Windows ME operating system, and can open and make compressed files in zip format even if the user's computer does not have decompression software installed. OS X and the popular Linux operating system also provide similar support for zip format. Therefore, if you spread and distribute files on the network, the zip format is often the most common choice.

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