.QSK

.QSK file extension

This is the basic program to work with .QSK extension

Quintessential Player

Quintessential Player QCD Skin

Quintessential Media Player is a feature rich media player for Microsoft Windows. It supports all popular audio formats including MP3, WMA, Ogg Vorbis, and CDs. QMP is highly skinnable and has a robust plug-in architecture. It is easy to install and easy to manipulate... (more)

The program works with the following extensions: mp3, wma, wmv, avi, au, xpl, mpa, fla, mpg, qsk, snd, wav, wax, asf, asx, wmx, wvx, cda, pls, m1v, m2v, mp1, m3u, ogg, mp2, mpga, mpeg, m3u8, flac and audiocd

.QSK extension is also supported by the following programs:

Quintessential Media Player

Quintessential Media Player QMP Skin

Quintessential Media Player is a free audio player with many advanced options.
ZipZag

ZipZag QCD3 Skin

Handles Rar, Zip, Bz2, Ace, 7z, Iso, Cbr, Cbz, Tar, Cab, Jar, Msi, Pk3, Pak, Lzx.