When new 7-Zip creates multivolume archive, 7-Zip keeps in open state only volumes that still can be changed.

Some changes and optimizations in WIM creation code.

It can increase compression ratio for executable files larger than 64 MiB.

Default section size for BCJ2 filter was changed from 64 MiB to 240 MiB.

Previous versions by default used x86 filter BCJ or BCJ2 for all exe/dll files.

ARM64 filter for ARM64 executable files.

BCJ or BCJ2 filter for x86 executable files,.

Also 7-Zip now parses executable files (that have exe and dll filename extensions) before compressing, and it selects appropriate filter for each parsed file:.

ARM64 filter can increase compression ratio for data containing executable files compiled for ARM64 (AArch64) architecture.

7-Zip now can use new ARM64 filter for compression to 7z and xz archives.

Self-extracting capability for 7z format.

Strong AES-256 encryption in 7z and ZIP formats.

Compression ratio for ZIP and GZIP formats: 2-10 % better than the ratio provided by PKZip and WinZip.

High compression ratio in 7z format with LZMA compression.

Downloadħ-Zip Portable is available for immediate download from the 7-Zip Portable homepage. And it's in Format, so it automatically works with the Platform including the Menu and Backup Utility. Installer / Formatħ-Zip Portable is packaged in a Installer so it will automatically detect an existing installation when your drive is plugged in.

For ZIP and GZIP formats 7-Zip provides compression ratio that is 2-10 % better than ratio provided by PKZip and WinZip.

Unpack only: RAR, CAB, ISO, ARJ, LZH, CHM, Z, CPIO, RPM, DEB & NSIS.

Pack / unpack: 7z, ZIP, GZIP, BZIP2 and TAR.

High compression ratio in new 7z format with LZMA compression.

Featuresħ-Zip is a file archiver (compression) utility for Windows with a great array of features including:

Update automatically or install from the portable app store in the Platform.

And it's open source and completely free. It's packaged in Format for easy use from any portable device and integration with the Platform. It's the popular 7-Zip packaged as a portable app, so you can take your file archiver with you and work with your compressed 7z, ZIP, GZIP, BZIP2, TAR, RAR files and more on the go. A new version of 7-Zip Portable has been released.

7-Zip 23.01 for iphone download