7-Zip Portable 4.57 Released

7-Zip Portable 4.57 has been released. It's the 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. This release updates the bundled 7-Zip, features an improved launcher and installer and digital signatures to ensure integrity. It's packaged in PortableApps.com Format for easy use from any portable device and integration with the PortableApps.com Suite. And it's open source and completely free.

Read on for more details...

Features

7-Zip Portable Screenshot 7-Zip is a file archiver (compression) utility for Windows with a great array of features including:

High compression ratio in new 7z format with LZMA compression
Supported formats:
- Pack / unpack: 7z, ZIP, GZIP, BZIP2 and TAR
- Unpack only: RAR, CAB, ISO, ARJ, LZH, CHM, Z, CPIO, RPM, DEB & NSIS
For ZIP and GZIP formats 7-Zip provides compression ratio that is 2-10 % better than ratio provided by PKZip and WinZip
Self-extracting capability for 7z format
Powerful File Manager
Localizations for 63 languages

Learn more about 7-Zip...

New in This Release

There are several improvements in this new release:

7-Zip has been updated to 4.57
Now packaged in an easy to use PortableApps.com Installer
Updated launcher with improved registry handling
Updated to the latest PortableApps.com Format
Digitally signed to ensure integrity

PortableApps.com Installer / PortableApps.com Format

7-Zip Portable is packaged in a PortableApps.com Installer so it will automatically detect an existing PortableApps.com installation when your drive is plugged in. And it's in PortableApps.com Format, so it automatically works with the PortableApps.com Suite including the Menu and Backup Utility.