7-Zip 是一款开源的文件压缩工具，以其高压缩比和对多种压缩格式的支持而闻名

7-zip

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//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: APFS, 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, VHDX, VMDK, 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