File types with extensions that start with the letter K

File Extention	File Type	Description
.k25	Audio	Kurzweil K2500 File
.k25	Camera Raw	Kodak K25 Image
.k26	Audio	Kurzweil K2600 File
.k2s	Game	Kaiser 2 Saved Game
.k3b	Disk Image	K3b Disk Burning Project File
.k3g	Video	3GP Mobile Phone Video File
.kag	Game	King Arthur's Gold Map File
.kap	Data	BSB Chart Image File
.kar	Audio	Karaoke MIDI File
.kar	Game	Karel Function Dictionary
.kb	Developer	C++ Keyboard Script
.kb2	Backup	Kleo Backup File
.kbd	Settings	3ds Max Keyboard Shortcuts File
.kbd	System	Keyboard Layout Script
.kbs	Data	Keyboard Script File
.kcl	Game	Mario Kart Collision File
.kdb	Database	Keypass Database File
.kdbx	Data	KeePass Password Database
.kdc	Camera Raw	Kodak Photo-Enhancer File
.kdc	Data	Kaspersky Virus Database File
.kde	Encoded	KryptoStorage Container File
.kdenlive	Video	Kdenlive Project File
.kdevdlg	Developer	KDevelop Dialog Box File
.kdevelop	Developer	KDevelop Project Data File
.kdevprj	Developer	KDevelop Project File
.kdi	Raster Image	KD Player Skin Image File
.kdk	Raster Image	Kodak Proprietary Decimated TIFF File
.kdmp	Developer	Windows Crash Dump File
.kds	Settings	KD Player Skin File
.kdz	Data	Kaspersky Virus Bases File
.keb	Data	Kaspersky Virus Bases File
.kes	Text	Kurzweil 3000 Document
.kexi	Database	Kexi Database
.kexic	Database	Kexi Database Connection File
.kexis	Database	Kexi Database Shortcut File
.kext	System	Mac OS X Kernel Extension
.key	Misc	Software License Key File
.key	Data	Keynote Presentation
.key	System	Security Key
.key	Settings	Keyboard Definition File
.key	Misc	LightWave License File
.key-tef	Data	Keynote iCloud Presentation
.keychain	Data	Mac OS X Keychain File
.kfm	3D Image	Gamebryo 3D Model File
.kfn	Audio	KaraFun Karaoke File
.kfx	Raster Image	Kofax Image File
.kgb	Compressed	KGB Archive File
.khd	Misc	Dynamics AX Kernel Help Data File
.khi	Misc	Dynamics AX Kernel Help Index File
.kic	Raster Image	Kodak Compressed Image File
.kid	Data	Kidspiration Document
.kin	Audio	Kinetic Music Project
.kismac	Data	KisMAC Webservice File
.kit	Web	CodeKit File
.kit	CAD	20-20 Design File
.kit	Audio	Battery Drum Kit File
.kix	Executable	KiXtart Script File
.klg	Text	KOFIA Log
.klg	Text	Log File
.klq	Encoded	Kaspersky Anti-Virus quarantine file
.kmc	3D Image	Kinemac Animation File
.kmcobj	3D Image	Kinemac Sprite Object
.kml	GIS	Keyhole Markup Language File
.kmm	Plugin	K-Meleon Macro Module
.kmp	Audio	Korg Trinity/Triton Keymap File
.kmp	Game	Mario Kart Wii Course Description File
.kmr	Misc	KnowledgeMill Link File
.kmv	Video	Mobile DJ Video File
.kmy	Data	KMyMoney Data File
.kmz	GIS	Google Earth Placemark File
.kno	Data	DigIN Serialized Break Model
.knt	Text	KeyNote Note File
.ko	System	Linux Kernel Module File
.kodak	Raster Image	Kodak Photo CD File
.kodu	Game	Kodu Game File
.kon	Text	Yahoo! Widget XML File
.koob	eBook	Koob E-Book File
.kor	System	Windows Korean Noise-Words List File
.koz	Audio	Bell Music File
.koz	Audio	Audiokoz Music File
.kpf	Data	Komodo Project File
.kpg	Raster Image	Kai's Power Goo Graphic
.kpl	Developer	Kids Programming Language File
.kpl	Audio	Kazaa Playlist File
.kpp	Data	Kid Pix Presentation
.kpr	Data	KPresenter Presentation
.kpx	Data	Kid Pix Picture
.kpz	Data	Komodo Template File
.krz	Audio	Kurzweil K2000 File
.ks	System	Kickstart File
.ksc	Audio	Korg Trinity/Triton Script File
.ksd	Encoded	KeepSafe File
.ksf	Settings	KMPlayer Skin File
.ksf	Audio	Korg Trinity/Triton Sample File
.ksh	Executable	Unix Korn Shell Script
.ksm	Audio	Ken Silverman Music File
.ksm	Data	Pfaff Embroidery Design File
.kt2	Audio	Battery 2 Drum Kit File
.kt3	Audio	Battery 3 Drum Kit File
.kth	Data	Keynote Theme
.ktn	Video	KTooN Animation Project File
.ktp	Audio	Kinetic Project Template
.ktz	3D Image	Kahootz Project File
.kv6	Game	Ace of Spades Model File
.kvtml	Data	KWordQuiz File
.kwd	Text	KWord Document
.kwm	Misc	WebMoney Key File
.kwreplay	Game	Command & Conquer 3 Replay File
.kyb	Settings	Keyboard Layout
.kyr	Misc	Lotus Domino Key Ring File
.kys	Settings	Adobe Photoshop Keyboard Shortcuts File
.kz	Compressed	KuaiZip Compressed File