7-Zip is completely open source and free. Its 7z compression format is currently the format with the highest data compression rate. Although many people use winrar, and zip and rar format files are also very common, the compression rate of rar is quite low compared with 7z. Normally, 7-zip can compress zip files up to 10% in size.
Since winrar is a commercial software, many compression and decompression software can only decompress rar format files and cannot generate rar files. Therefore, 7-zip cannot generate rar files. The editor recommends that you use two compression software in combination to greatly improve file compression efficiency.
Things to note
After the software is installed, it defaults to English. You may need to set it to Simplified Chinese in Tools--Options-Language. The specific operation is as shown below:
Change log
1.Fixed some bugs
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