#_K_EXTENSIONS

.K3D  K-3D 3D project file (Timothy M Shead's K-3D 0.8).
.K3G  Video file (Mobile phones).
.KAOS KAOS Diagram file (KAOS).
.KAL  Kaliopa Orinj session file (Kaliopa Orinj 2.2.1).
.KAR  Karaoke file (Jan Fabirkiewicz' SingOutStrong Karaoke Player and many others).
.KAR  Karaoke file = MIDI format file (Many applications).
.KAR  MIDI (QuickTime 7.7.2).
.KBS  BASIC program Source file = plaintext (basic256.org's BASIC 256).
.KCHMVIEWER KCHMViewer document configuration file (KCHMViewer).
.KDC  Kodak Digital Camera file (Jasc Paint Shop Pro and other graphics applications).
.KEY  Encryption Key file (Jim the Standing Bear's Jim's Encryptor Decryptor).
.KEY  Key file (Many applications, many variants).
.KEY  Keyboard file = keystrokes recorded to a text file = batch file (Many applications, many variants).
.KEY  Product registration Key file (Greatis' RegRun Security Suite 3, Elaborate Bytes CloneDVD 2, many other applications).
.KEY  Registry Key entries - a binary file equivalent to Windows .REG file (Windows Registry Editor - REGEDIT.EXE).
.KEYS Keyboard file = keystrokes recorded to a text file = batch file (Many applications, many variants).
.KF   NetImmersive/Gamebryo animation file (NifTools NifSkope).
.KFA  NetImmersive/Gamebryo Animation file (NifTools NifSkope).
.KFM  NetImmersive/Gamebryo animation Manager file (NifTools NifSkope).
.KLN  Kloon file (Moor Computer Productions' Kloon).
.KNT  KeyNote file (BauerApps RightNote).
.KOMODOPROJECT Komodo Project File (ActiveState's Komodo Edit).
.KOMODOTOOL Komodo Tool file (ActiveState's Komodo Edit).
.KPF  Komodo Project File (ActiveState's Komodo Edit).
.KPL  Kazaa Playlist file (Kazaa Media Desktop).
.KPR  KPresenter Presentation file (KPresenter, Calligra Stage and other Presentation editors/viewers).
.KPT  KPresenter Presentation Template file (KPresenter, Calligra Stage and other Presentation editors/viewers).
.KPZ  Komodo Package file (ActiveState's Komodo Edit).
.KQP  Konica Quality Photo file (Konica brand devices, VidFun).
.KRA  Krita image project file (Krita).
.KRA~ Temporary file (Krita).
.KSF  Komodo Color Scheme File (ActiveState's Komodo Edit).
.KSH  Korn Shell script file (Unix/Linux-based operating systems employing David Korn's shell/command line interface/CLI).