PowerArchiver contains all the basic features you would expect from a compression program / archive utility - you can read and extract from many different formats and you can also create archives in many different formats, including 7-Zip which is one of the best compression formats currently used.

Features:
- 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