SYSTEM ToolsPowerArchiver 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.
PowerArchiver is an award-winning archive utility for the Windows® family that provides support for most compressed and encoded files, as well as access to many powerful features and tools through an easy to use interface that seamlessly integrates with Windows Explorer. PowerArchiver creates and works with unlimited size ZIP archives with enhanced ZIP format speed and compression; a Password Manager stores your frequently used passwords; encrypts your archives using 5 different methods including 256-bit AES; back up your work with PowerArchiver's Auto-Backup tool and FTP support; creates powerful CAB and ZIP self extracting (SFX) archives using a Wizard; a Batch ZIP tool compresses hundreds of files all at once; and a Multi-Extract tool can extract hundreds of archives instantly.

Complete Feature List:
• 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 and 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
• 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
• Customizable toolbar that can be docked to any side of the application or float independently
• Windows XP Theme and ClearType support

Brand new ZIP Engine:
* Multicore deflate zip engine, almost 8x faster on i7 than single core systems.
* Improved speed of zip compression and extraction on any occassion.
* Support for LZMA, PPMd, BZIP2 and WAVPACK in ZIP, according to latest ZIP standards.
Both write and read support, making PowerArchiver only application that supports
Winzip 12 and earlier files, while providing faster and stronger compression (up to 8x)
compared to WinZip 12.
* Multicore LZMA engine for ZIP.
* Support for Unicode in ZIP, both read and write. Implemented throughout application.
* Faster loading of archives with thousands of files.

Windows 7:
* Full Windows 7 support with jump lists, taskbar progress and taskbar icon overlays.
* First application with new DirectSkin 6.0 engine that supports Windows 7 (32bit).

PA Shell Extensions 2.0
* Added Extract MRU shell extensions.
* Added Compress to MRU zip shell extensions.
* Added FTP profiles in shell extensions, ftp directly to selected account via shell.

Backup Improvements
* Moved backup to standalone application for easier handling, faster load times.
* You can add multiple folders in backup filelist.
* Considerably faster zip backup when handling 10,000+ files.
* Better info on files/folders in file list (number/size).
* Fixed major issue with 7-Zip backups and larger number of files.

Improvements
* Interface improvements in Modern interface - faster and better looking.
* Interface improvements in Classic interface - more MRU's, more usable.
* New Add window in main Powerarchiver, most usable options are now shown on first screen.
* You can now select multiple folders in all folder selection windows (backup, tools, etc).
* Optimized 7-Zip's Optimized compression - Ultra and Max feature stronger compression now.
* Added New Folder and Network buttons in Add window, improved look of other icons.
* Unicode support for other formats that support unicode in rest of PowerArchiver interfaces.
* Added method property in file list and properties window.
* Other smaller improvements, and more major ones coming.

Bug Fixes
* Fixed Bug #1000: No caption in burner taskbar under special conditions.
* Fixed Bug #987 : Doubleclick on file sometimes uses 100% cpu if preview is on.