7-Zip 21.07

December 27, 2021 - Software
7-Zip 21.07

7-Zip is a free software/open source file archiver designed originally for Microsoft Windows. 7-Zip operates primarily with the 7z archive format, as well as being able to read and write to several other archive formats. In operation a user can use the command line, graphical user interface or Windows shell integration. 7-Zip began in 2000 and is actively developed by Igor Pavlov. It is related to a cross-platform port, p7zip.

The main features of 7-Zip

* High compression ratio in new 7z format with LZMA compression
* Supported formats:
o Packing / unpacking: 7z, ZIP, GZIP, BZIP2 and TAR
o Unpacking only: RAR, CAB, ISO, ARJ, LZH, CHM, MSI, WIM, Z, CPIO, RPM, DEB and NSIS
* 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 69 languages


Compression ratio

We compared 7-Zip with some of the leading archivers.


– 7-Zip now can update solid .7z archives.
– 7-Zip now supports LZMA2 compression method.
– 7-Zip now supports XZ archives.
– 7-Zip now can unpack NTFS, FAT, VHD and MBR archives.
– 7-Zip now can unpack GZip, BZip2, LZMA, XZ and TAR archives from stdin.
– 7-Zip now can open/copy/compress disk images (like \\.\c:) from \\.\ folder.
– 7-Zip File Manager now doesn’t use temp files to open nested archives
stored without compression.
– New -scrc switch to calculate total CRC-32 during extracting / testing.
– New -scc{WIN|DOS|UTF-8} switch to specify charset for console input/output (default = DOS).
– Some bugs were fixed.

21.07 2021-12-26
– 7-Zip now can extract VHDX disk images (Microsoft Hyper-V Virtual Hard Disk v2 format).
– New switches: -spm and -im!{file_path} to exclude directories from processing
for specified paths that don’t contain path separator character at the end of path.
– In the “Add to Archive” window, now it is allowed to use -m prefix for “Parameters”
field as in command line: -mparam.
– The sorting order of files in archives was slightly changed to be more consistent
for cases where the name of some directory is the same as the prefix part of the name
of another directory or file.
– TAR archives created by 7-Zip now are more consistent with archives created by GNU TAR program.


10-13-2019 – Added ISO7Z plugin support

15 December 2021 – Update 7z manager theme…


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Thank you very much!

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