
PowerArchiver, WinZIP ve WinRAR gibi popüler arşivleme (sıkıştırma/açma) programlarıyla aynı işlevi gören ve bu programlara rakip olan bir yazılımdır. PowerArchiver ZIP, 7-ZIP, CAB, LHA (LZH), TAR, TAR.GZ, TAR.BZ2, BH, RAR, ARJ, ARC, ACE, ZOO, GZ, BZIP2, XXE, MIME, UUE ve yENc formatlarini destekler. Kendi icinde TXT, RTF, ve daha 18′den fazla dosya formatını okuyabilir.
PowerArchiver 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 
Changes in PowerArchiver 2010 11.50 RC1 [May 18, 2009]:
Improvements:
* Faster interface.
* Native and superior support for .zipx – advanced zip methods.
* Virtual Drive 2010 is released for PA 2010 (no significant changes).
* Added support for Windows 98.
* FTP addresses are now automatically saved as ftp profile.
* Smaller burner interface improvements.
* PA now automatically extracts rest of archive if user is opening html file.
* Many smaller improvements everywhere.
Bug Fixes
* #1339 – PA can not properly extract certain GZ files.
* #1352 – PA shows nag screen in limited user accounts if no registry key.
* #1265 – 120 dpi issue in column settings screen.
* #1361 – Creating new profile in configuration.
* #1360 – green light at status bar moves to the center.
* #1358 – Sending file to burner via file menu doesnt work.
* #1351 – back/fwd buttons dissapear.
* #1344 – opening pk4 files does not work.
* #1345 – find file does not find certain letters.
* #1313 – tar paths issue under linux.
* #1329 – dragging files in Total Commander.
* #1337 – hotspot on extract window is outside of actual window.
* #1050 – specific file extension not added to track lists.
* #1335 – compressing folder in shell creates crc error.
* #1330 – 64bit shell – compress to zip activates send to ftp.
* #1153 – 64bit shell – shell extension icon not transparent.
* #1324 – deleting an file in ftp if no permission.
* #1320 – backup – store relative info stores full paths.

http://rapidshare.com/files/234743167/PowerArchiver.2010.11.50.48.RC1.rar