| File extension |
File description |
Developer/Producer |
| .k25 |
Kodak K25 Image |
Kodak |
| .k26 |
Kurzweil K2600 File |
N/A |
| .k2s |
Kaiser 2 Saved Game |
Mantronic Software |
| .k3b |
K3b Disk Burning Project File |
K3b |
| .k3g |
3GP Mobile Phone Video File |
Third Generation Partnership Project |
| .kap |
BSB Chart Image File |
Maptech |
| .kar |
Karaoke MIDI File |
N/A |
| .kb |
C++ Keyboard Script |
Borland |
| .kb2 |
Kleo Backup File |
Carroll-Net |
| .kbd |
Keyboard Layout Script |
N/A |
| .kbs |
Keyboard Script File |
PC Dirck |
| .kcl |
Mario Kart Collision File |
Nintendo |
| .kdb |
Keypass Database File |
KeePass Password Safe |
| .kdbx |
KeePass Password Database |
KeePass Password Safe |
| .kdc |
Kaspersky Virus Database File |
Kaspersky Lab |
| .kde |
KryptoStorage Container File |
Kaspersky Labs |
| .kdenlive |
Kdenlive Project File |
Kdenlive |
| .kdevdlg |
KDevelop Dialog Box File |
Free Software Foundation |
| .kdevelop |
KDevelop Project Data File |
Free Software Foundation |
| .kdevprj |
KDevelop Project File |
Free Software Foundation |
| .kdi |
KD Player Skin Image File |
KD Player |
| .kdk |
Kodak Proprietary Decimated TIFF File |
Kodak |
| .kdmp |
Windows Crash Dump File |
Microsoft |
| .kds |
KD Player Skin File |
KD Player |
| .kdz |
Kaspersky Virus Bases File |
Kaspersky Labs |
| .keb |
Kaspersky Virus Bases File |
Kaspersky Labs |
| .kes |
Kurzweil 3000 Document |
Kurzweil Educational Systems |
| .kexi |
Kexi Database |
Kexi Team |
| .kexic |
Kexi Database Connection File |
Kexi Team |
| .kexis |
Kexi Database Shortcut File |
Kexi Team |
| .kext |
Mac OS X Kernel Extension |
N/A |
| .key |
Keynote Presentation |
Apple |
| .key-tef |
Keynote iCloud Presentation |
Apple |
| .keychain |
Mac OS X Keychain File |
Apple |
| .kfm |
Gamebryo 3D Model File |
Gamebase |
| .kfn |
KaraFun Karaoke File |
Recisio |
| .kfx |
Kofax Image File |
Kofax |
| .kgb |
KGB Archive File |
Tomasz Pawlak |
| .khd |
Dynamics AX Kernel Help Data File |
Microsoft |
| .khi |
Dynamics AX Kernel Help Index File |
Microsoft |
| .kic |
Kodak Compressed Image File |
Kodak |
| .kid |
Kidspiration Document |
Inspiration |
| .kin |
Kinetic Music Project |
Cakewalk |
| .kismac |
KisMAC Webservice File |
N/A |
| .kit |
20-20 Design File |
20-20 Technologies |
| .kix |
KiXtart Script File |
KiXtart |
| .klg |
Log File |
N/A |
| .klq |
Kaspersky Anti-Virus quarantine file |
Kaspersky |
| .kmc |
Kinemac Animation File |
Kinemac |
| .kmcobj |
Kinemac Sprite Object |
Kinemac |
| .kml |
Keyhole Markup Language File |
N/A |
| .kmm |
K-Meleon Macro Module |
K-Meleon |
| .kmp |
Korg Trinity/Triton Keymap File |
Korg |
| .kmr |
KnowledgeMill Link File |
KnowledgeMill |
| .kmv |
Mobile DJ Video File |
N/A |
| .kmy |
KMyMoney Data File |
KMyMoney |
| .kmz |
Google Earth Placemark File |
Google |
| .kno |
DigIN Serialized Break Model |
EvREsearch |
| .knt |
KeyNote Note File |
KeyNote |
| .ko |
Linux Kernel Module File |
N/A |
| .kodak |
Kodak Photo CD File |
N/A |
| .kodu |
Kodu Game File |
Microsoft |
| .kon |
Yahoo! Widget XML File |
N/A |
| .koob |
Koob E-Book File |
Vijay Sridhara |
| .kor |
Windows Korean Noise-Words List File |
Microsoft |
| .koz |
Audiokoz Music File |
Audiokoz |
| .kpf |
Komodo Project File |
ActiveState Software |
| .kpl |
Kids Programming Language File |
The Phrogram Company |
| .kpp |
Kid Pix Presentation |
The Learning Company |
| .kpr |
KPresenter Presentation |
KOffice |
| .kpx |
Kid Pix Picture |
The Learning Company |
| .kpz |
Komodo Template File |
ActiveState Software |
| .krz |
Kurzweil K2000 File |
N/A |
| .ks |
Kickstart File |
N/A |
| .ksc |
Korg Trinity/Triton Script File |
Korg |
| .ksf |
Korg Trinity/Triton Sample File |
Korg |
| .ksh |
Unix Korn Shell Script |
N/A |
| .ksm |
Ken Silverman Music File |
Ken Silverman |
| .kt2 |
Battery 2 Drum Kit File |
Native Instruments |
| .kt3 |
Battery 3 Drum Kit File |
Native Instruments |
| .kth |
Keynote Theme |
Apple |
| .ktn |
KTooN Animation Project File |
KTooN |
| .ktp |
Kinetic Project Template |
Cakewalk |
| .ktz |
Kahootz Project File |
ACTF |
| .kv6 |
Ace of Spades Model File |
Ace of Spades |
| .kvtml |
KWordQuiz File |
The KDE Education Project |
| .kwd |
KWord Document |
KDE |
| .kwm |
WebMoney Key File |
WebMoney |
| .kwreplay |
Command & Conquer 3 Replay File |
Electronic Arts |
| .kyb |
Keyboard Layout |
N/A |
| .kyr |
Lotus Domino Key Ring File |
IBM |
| .kys |
Adobe Photoshop Keyboard Shortcuts File |
Adobe Systems |
| .kz |
KuaiZip Compressed File |
KuaiZip.com |
