PowerArchiver has been downloaded by tens of millions of users worldwide. PowerArchiver 2007 Portable offers hundreds of features, yet remains easy to use, small and fast. Novice users will find a familiar interface complete with tutorial and detailed help, while more experienced users can take advantage of full Explorer integration, multiple encryption methods and advanced compression algorithms.

Complete built-in support for 7-ZIP, ZIP, CAB, LHA (LZH), TAR, TAR.GZ, TAR.BZ2, BH, RAR, ARJ, ARC, ACE, ZOO, GZ, and BZIP2 file formats
Support for reading and extracting disc image formats: ISO, BIN, IMG and NRG
Built-in support for XXE, UUE, and yENC encoded files and full MIME (Base 64) support
Creating ZIP, 7-Zip, CAB and PAE encrypted self-extracting archives using a Wizard interface
Support for unlimited size ZIP archives, with improved performance when working with 100,000+ files
Support for Deflate64, providing improved compression results (both size and speed)
Complete support for PKZIP 4.0 and PKZIP 4.5 disk spanning
Compression Profiles to store frequently used compression settings
Full support for ZIP AES encryption, 128-bit/192-bit/256-bit (supports: PKZip 5.1 (full), Secure Zip 8.0 and WinZip 9.0 AE-1 & AE-2) and proprietary PAE format using 5 different methods: Blowfish (128-bit), DES (64-bit), Triple DES (128-bit), AES 128-bit, and AES 256-bit
Support for AES encrypted 7-Zip archives and multivolume 7-Zip archives
Support for transparently updating 7-Zip archives
Uploading archives or backups directly to FTP or SFTP (SSH) sites with multiple profiles supported and timeout option
Password manager for saving frequently used passwords
Tool for creating PBS backup scripts and running automated backups
Internal viewer that supports TXT, RTF, GIF, PNG, BMP, ICO, TIFF, GFI, SGI, EMF, WMF, PPM, Adobe Photoshop, Autodesk, Truevision, ZSoft Paintbrush, Kodak Photo-CD, JASC PaintShop Pro, and Dr. Halo file formats
Many powerful archive operations (including: renaming files in archive, spanning archives, testing archives, viewing and writing comments, installing archives, and checking archives for viruses)
Drag and Drop from/to Windows Explorer and the Desktop
Two ways of viewing archives (Classic - all files in the same listing; Explorer - browsing through an archive like folders in Windows Explorer)
Complete integration with Windows (extracting archives and creating archives directly from Windows Explorer using powerful “Explorer Shell Extensions”)
Ability to edit files within an archive using one single operation
Printing file listing to text file or HTML document
Tool for repairing corrupted ZIP archives
Converting between file formats (for example: changing a ZIP archive to CAB archive, or LHA archive to ZIP archive)
Extracting multiple archives at the same time
Batch Zip function to create multiple different archives at once
Favorite Folders to quickly locate archives
Powerful Find function for searching within an archive
Auto Update to automatically download and install new versions of PowerArchiver
Powerful help in HTML and a tutorial with pictures for beginners
Full skinning support via PSF files - includes interface skins, toolbar skins, icons and customizable application settings
Windows XP Theme and ClearType support
Full support for Windows Vista, including UAC and Vista’s new dialog windows
Modern user interface that utilizes the “Ribbon” licensed from Microsoft Office
Queue System for automating add, extract and backup functions in PowerArchiver
PowerArchiver Starter - system tray application for speeding up tasks
Plug-in System that enables users to add support for more file formats by downloading and installing plug-ins
Home Page - http://www.powerarchiver.com/