.PK_

.PK_ file extension

This is the basic program to work with .PK_ extension

ZipItFree

ZipItFreeZipItFree file

As you may have guessed, ZipItFree is a free alternative to archive managers like WinZIP or WinRAR. The program's website claims that it can manage more than 15 archive file formats, including ZIP, RAR, CAB, TAR, ARJ, JAR, GZIP, and others. However, I would say that this is not always true. Besides, I have to say that ZipItFree looked a bit unstable on my Windows 7 system... (more)

The program works with the following extensions: gz, rar, tgz, zip, z, bh, ha, uu, bz, enc, lha, pk3, lzh, war, zoo, tar, pak, tbz, pk_, ztv, uue, xxe, ace, cab, arj, jar, mim, arc and bz2

.PK_ extension is also supported by the following programs:

UltimateZip

UltimateZipUltimateZip File

Create, encrypt and extract archive files on your PC.
UltimateZip 2007

UltimateZip 2007UltimateZip File

UltimateZip is a commercial file compression utility.