There are minor changes in compression ratio. The speed for LZMA/LZMA2 compressing was increased by 3-10%,. Encryption strength for 7z archives was increased: the size of random initialisation vector was increased from 64-bit to 128-bit, and the pseudo-random number generator was improved. New switch -mmemuse= to set a limit on memory usage (RAM) for compressing and decompressing. The window "Add to Archive" now allows to set a limit on memory usage (RAM) that will be used for compressing. "Do not change source files last access time". New "Options" window in "Add to archive" allows to select what metadata must be included to archive. New option "Propagate Zone.Id stream" in Tools/Options/7-Zip menu. New -snz switch to propagate Zone.Identifier stream to extracted files (Windows). -snon : store owner/group names in archive. -snoi : store owner/group ids in archive or set owner/group ids from archive to extracted files. New switches for Linux version for TAR archives:. 7-Zip now can store additional file timestamps with high precision (1 ns in Linux) in tar/pax archives with the following switches:. 7-Zip now can create TAR archives in POSIX (pax) tar format with the switches. 
7-Zip now can extract APFS (Apple File System) images that can be used in DMG files.UDF support was improved to UDF version 2.60.I also use it to archive my website so that my site’s visitors can download the entire site and browse it when offline.īoth 32-bit and 64-bit versions are available from the official download page where you can get the installer without any nonsense with malware or PUPs.īugs can be reported on the 7-Zip Discussion forum.
I have used this free and Open Source file archiver for years, and still use it daily to backup my files to DropBox and USB flash drives.
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