| # |
File extension |
Developer |
| 0 |
.K - MacroModel Chemical Modeller Output |
Schrödinger, LLC |
| 1 |
.K01 - Clarion Database Key |
SoftVelocity |
| 2 |
.K02 - Clarion |
SoftVelocity |
| 3 |
.K03 - Clarion DOS Database Key |
SoftVelocity |
| 4 |
.K1 - DataFlex Index |
The Database Managers, Inc. |
| 5 |
.K10 - DataFlex Index |
The Database Managers, Inc. |
| 6 |
.K11 - DataFlex Index |
The Database Managers, Inc. |
| 7 |
.K12 - DataFlex Index |
The Database Managers, Inc. |
| 8 |
.K13 - DataFlex Index |
The Database Managers, Inc. |
| 9 |
.K14 - DataFlex Index |
The Database Managers, Inc. |
| 10 |
.K15 - DataFlex Index |
The Database Managers, Inc. |
| 11 |
.K2 - DataFlex Index |
The Database Managers, Inc. |
| 12 |
.K25 - Kurzweil 2500 Sample Format |
Kodak |
| 13 |
.K26 - Kurzweil 2600 Sample Format |
N/A |
| 14 |
.K2P - Kryptel Encrypted |
Inv Softworks LLC. |
| 15 |
.K2S - Kaiser 2 Saved Game |
Mantronic Software |
| 16 |
.K3 - DataFlex Index |
The Database Managers, Inc. |
| 17 |
.K3B - K3b Burning Project Format |
K3b |
| 18 |
.K3G - 3GP Mobile Phone Video Format |
Third Generation Partnership Project |
| 19 |
.K4 - DataFlex Index |
The Database Managers, Inc. |
| 20 |
.K48 - Apple IOS Kernel Cache |
Apple, Inc. |
| 21 |
.K5 - DataFlex Index |
The Database Managers, Inc. |
| 22 |
.K6 - DataFlex Index |
The Database Managers, Inc. |
| 23 |
.K7 - DataFlex Index |
The Database Managers, Inc. |
| 24 |
.K8 - DataFlex Index |
The Database Managers, Inc. |
| 25 |
.K9 - DataFlex Index |
The Database Managers, Inc. |
| 26 |
.KA - Karma Engine (Unreal) Asset |
Epic Games, Inc. |
| 27 |
.KAD - Kore User |
Native Instruments, Inc. |
| 28 |
.KAHL - Think Pascal KAHL Text |
N/A |
| 29 |
.KAL - KManager Calibration Data |
Hondata, Inc. |
| 30 |
.KAN - Kwalitan Annotation |
Vincent Peters |
| 31 |
.KAP - Maptech BSB Map Format |
Maptech |
| 32 |
.KAR - MIDI Karaoke Format |
N/A |
| 33 |
.KAS - Karaoke |
N/A |
| 34 |
.KB - Borland C++ Keyboard Script Format |
Borland |
| 35 |
.KB2 - Carroll-Net Kleo Backup Format |
Carroll-Net |
| 36 |
.KBB - BestCrypt Key Block Backup |
Jetico, Inc. |
| 37 |
.KBD - Keyboard Script File Layout |
N/A |
| 38 |
.KBF - MyInfo Document |
Milenix Software Ltd. |
| 39 |
.KBM - Scala Keyboard Mapping |
Manuel Op de Coul |
| 40 |
.KBN - TeamSpeak Keybinding |
TeamSpeak Systems |
| 41 |
.KBS - Keyboard Script Saved Keystrokes Format |
PC Dirck |
| 42 |
.KBX - GNU Privacy Guard Keybox |
Free Software Foundation, Inc. |
| 43 |
.KC2 - Kodak RAW Image |
N/A |
| 44 |
.KCF - KiSS Configuration |
KiSS Team |
| 45 |
.KCH - KChess Notation |
Ark Angles |
| 46 |
.KCI - Visual Studio .NET DB Project Indexing Settings |
Microsoft Corporation |
| 47 |
.KCL - Mario Kart Wii Collision Information Format |
Nintendo |
| 48 |
.KCT - Keyman Developer Customization Source |
Tavultesoft |
| 49 |
.KD3 - Yayoi Kaikei Accounting Data |
Yayoi Co., Ltd. |
| 50 |
.KDA - Nova Logic Game |
NovaLogic, Inc. |
| 51 |
.KDB - Encrypted Passwords Database Format |
KeePass Password Safe |
| 52 |
.KDBX - KeePass Password Database Format |
KeePass Password Safe |
| 53 |
.KDC - Kodak DC120 Digital Camera RAW Image Format |
Kodak |
| 54 |
.KDD - Adobe Authorware RTF Objects Editor Knowledge Display |
Adobe Systems Incorporated |
| 55 |
.KDE - Kaspersky KryptoStorage Encrypted Format |
Kaspersky Labs |
| 56 |
.KDELNK - KDE Desktop |
KDE e.V |
| 57 |
.KDENLIVE - Kdenlive Project Format |
Kdenlive |
| 58 |
.KDEVDLG - KDevelop Dialogue Box Format |
Free Software Foundation |
| 59 |
.KDEVELOP - KDevelop Project Data Format |
Free Software Foundation |
| 60 |
.KDEVPRJ - KDevelop Project Format |
Free Software Foundation |
| 61 |
.KDF - KARMA MW/Triton Data |
Stephen Kay |
| 62 |
.KDH - Chinese Academic Journals Online Full-text Database |
N/A |
| 63 |
.KDI - KD Player Skin Image Format |
KD Player |
| 64 |
.KDK - Kodak Proprietary Decimated TIFF Format |
Kodak |
| 65 |
.KDL - Kill The Deadline Storage |
Team T10C6 |
| 66 |
.KDMP - Microsoft Windows Crash Dump Format |
Microsoft |
| 67 |
.KDR - Kinetica Installation |
Thermo Fisher Scientific Inc. |
| 68 |
.KDS - KD Player Skin Format |
KD Player |
| 69 |
.KDT - Medbasin Evaporation Data |
Laboratory of Reclamation Works & Water Resources Management |
| 70 |
.KDX - Google Earth Import Definition |
Google Inc. |
| 71 |
.KDZ - Kaspersky Anti-Virus Data Format |
Kaspersky Labs |
| 72 |
.KEB - Kaspersky Anti-Virus Data Format |
Kaspersky Labs |
| 73 |
.KED - KEDIT Profile And Macro Format |
Mansfield Software Group, Inc. |
| 74 |
.KEP - Turbo Pascal DOS Tp19 Compressed Kepler |
Embarcadero Technologies, Inc. |
| 75 |
.KER - ENVI Filter Kernels |
Exelis Visual Information Solutions |
| 76 |
.KES - Kurzweil 3000 Document Format |
Kurzweil Educational Systems |
| 77 |
.KEV - JAWS Preload |
Freedom Scientific, Inc. |
| 78 |
.KEX - KEDIT Profile Macro |
Mansfield Software Group, Inc. |
| 79 |
.KEXI - Kexi Database Format |
Kexi Team |
| 80 |
.KEXIC - Kexi Database Connection Settings Format |
Kexi Team |
| 81 |
.KEXIS - Kexi Database Connection Format |
Kexi Team |
| 82 |
.KEXT - Apple Mac OS X Kernel Extension Format |
N/A |
| 83 |
.KEY - Licence Or Encrypted Security Format |
N/A |
| 84 |
.KEY-TEF - Apple Keynote ICloud Presentation Format |
Apple |
| 85 |
.KEYBOARD - Amaya Configuration |
W3C |
| 86 |
.KEYCHAIN - Apple Keychain Password Format |
Apple |
| 87 |
.KEYNOTE - IWork Keynote 06 Presentation |
Apple, Inc. |
| 88 |
.KEYSTORE - Java Keytool Key Database |
Oracle Corporation |
| 89 |
.KEYTAB - Unix Kerberos Encrypted Key |
Apple, Inc. |
| 90 |
.KF - The Elder Scrolls Game |
N/A |
| 91 |
.KF8 - Amazon Kindle Format 8 |
N/A |
| 92 |
.KFG - Adobe Acrobat Rule |
Adobe Systems Incorporated |
| 93 |
.KFI - 3D Forgastest Editor |
N/A |
| 94 |
.KFL - Microsoft Outlook 2007/2010 RSS Feed List |
Microsoft Corporation |
| 95 |
.KFM - GameBryo KFM Format |
Gamebase |
| 96 |
.KFN - KaraFun Karaoke Song Format |
Recisio |
| 97 |
.KFS - Max Payne Model |
Rockstar Games, Inc. |
| 98 |
.KFT - Korg T-series Wave |
N/A |
| 99 |
.KFX - Kofax Group 4 Bitmap Graphics Format |
Kofax |
| 100 |
.KGB - KGB Archiver Compressed Archive Format |
Tomasz Pawlak |
| 101 |
.KGE - KGB Archiver Encrypted Compressed Archive |
Tomasz Pawlak |
| 102 |
.KGM - KeyTERRA-FIRMA Ground Model |
N/A |
| 103 |
.KGS - Kogeo Toolbar |
Philipp Konerding |
| 104 |
.KHD - Microsoft Dynamics AX Kernel Help Data Format |
Microsoft |
| 105 |
.KHI - Microsoft Dynamics AX Kernel Help Index Format |
Microsoft |
| 106 |
.KIC - Kodak Compressed Image Format |
Kodak |
| 107 |
.KID - Kidspiration Document Format |
Inspiration |
| 108 |
.KID2 - Kid Pix |
The Software MacKiev Company |
| 109 |
.KIDS - Kid Pix |
The Software MacKiev Company |
| 110 |
.KIF - AutoCAD Key Index |
Autodesk, Inc. |
| 111 |
.KIN - Cakewalk Kinetic Music Project Format |
Cakewalk |
| 112 |
.KISMAC - KisMAC Web Service Format |
N/A |
| 113 |
.KIT - 20-20 Design Kitchen Design Format |
20-20 Technologies |
| 114 |
.KIX - KiXtart Script Format |
KiXtart |
| 115 |
.KJV - TheWord Bible Software King James Version Bible |
Costas Stergiou |
| 116 |
.KKD - K Kitchen Burning Project |
Kandalu Software Ltd |
| 117 |
.KKW - Adobe RoboHelp Keyword Help Project Index |
Adobe Systems Incorporated |
| 118 |
.KLC - Microsoft Keyboard Layout Creator Keyboard |
Microsoft Corporation |
| 119 |
.KLD - Dungeon Keeper 2 Playable Map |
Electronic Arts, Inc. |
| 120 |
.KLF - KaloMa |
Frank Böpple |
| 121 |
.KLG - Log Format |
N/A |
| 122 |
.KLK - Orgadata LogiKal |
Orgadata AG |
| 123 |
.KLM - Keyhole Markup Language (Google Earth) |
Google Inc. |
| 124 |
.KLP - CLIP PROJECT Terminal-strip Project |
PHOENIX CONTACT |
| 125 |
.KLQ - Kaspersky Anti-Virus Quarantine Format |
Kaspersky |
| 126 |
.KM - BMC Patrol |
BMC Software, Inc. |
| 127 |
.KMA - Correlate Archive Knowledge Map |
Correlate |
| 128 |
.KMC - Kinemac Animation Format |
Kinemac |
| 129 |
.KMCOBJ - Kinemac Sprite Object Format |
Kinemac |
| 130 |
.KMD - ABSTAT For Windows Batch |
AndersonBell Corp |
| 131 |
.KMDI - Kermeta |
The Eclipse Foundation |
| 132 |
.KMDR - Kommander |
N/A |
| 133 |
.KMF - Kwalitan Memo |
Vincent Peters |
| 134 |
.KML - Google Earth Keyhole Markup Language Format |
N/A |
| 135 |
.KMM - K-Meleon Macro Module Format |
K-Meleon |
| 136 |
.KMN - Keyman Developer Source |
Tavultesoft |
| 137 |
.KMP - Korg Trinity Audio Format |
Korg |
| 138 |
.KMR - KnowledgeMill Link Format |
KnowledgeMill |
| 139 |
.KMS - Correlate Solution Topic |
Correlate |
| 140 |
.KMT - Kermeta |
The Eclipse Foundation |
| 141 |
.KMV - Mobile DJ Video Format |
N/A |
| 142 |
.KMX - Keyman Desktop Compiled Keyboard |
Tavultesoft |
| 143 |
.KMY - KMyMoney Data Format |
KMyMoney |
| 144 |
.KMZ - Compressed Keyhole Markup Language (Google Earth) Format |
Google |
| 145 |
.KNF - Orchida Knitting System |
Orchida Soft |
| 146 |
.KNN - Clarion Database Key |
SoftVelocity |
| 147 |
.KNNK - OmniPage |
Nuance Communications, Inc. |
| 148 |
.KNO - DigIN Serialized Break Model |
EvREsearch |
| 149 |
.KNT - Tranglos KeyNote Note Format |
KeyNote |
| 150 |
.KNW - Live For Speed AI Knowledge |
Live for Speed - Scawen Roberts, Eric Bailey, Victor van Vlaardingen |
| 151 |
.KO - Linux Kernel Module Format |
N/A |
| 152 |
.KOA - Koala Paint C64 |
N/A |
| 153 |
.KOB - Kasemake 3D Object |
AG/CAD Limited |
| 154 |
.KODAK - Kodak Photo CD Format |
N/A |
| 155 |
.KODU - Kodu Game Format |
Microsoft |
| 156 |
.KOE - AquesTone Vocal Synthesizer Syllable |
Aquest |
| 157 |
.KOM - Kit-O-Mat 3D Model |
KingMill Enterprises LLC |
| 158 |
.KOMODO - KMD |
Charles Brej PhD, BSc |
| 159 |
.KON - Yahoo! Widget XML Format |
N/A |
| 160 |
.KOOB - Koob E-Book Format |
Vijay Sridhara |
| 161 |
.KOR - Korean Localization Language Format |
Microsoft |
| 162 |
.KOZ - Sprint Music Store Music Format |
Audiokoz |
| 163 |
.KPDX - KeePass Password Database |
N/A |
| 164 |
.KPE - KORE Performance |
Native Instruments, Inc. |
| 165 |
.KPF - Komodo Project Format |
ActiveState Software |
| 166 |
.KPJ - Keyman Developer Project |
N/A |
| 167 |
.KPL - KMPlayer Playlist Format |
Pandora TV Co., Ltd. |
| 168 |
.KPP - Kid Pix Presentation Format |
The Learning Company |
| 169 |
.KPR - KOffice KPresenter Presentation Format |
KOffice |
| 170 |
.KPS - IBM KIPS Bitmap Image Graphics |
N/A |
| 171 |
.KPT - KPresenter Template |
N/A |
| 172 |
.KPX - Kid Pix Deluxe Data Format |
The Learning Company |
| 173 |
.KPZ - Komodo Template Format |
ActiveState Software |
| 174 |
.KQP - Konica Camera Photo |
N/A |
| 175 |
.KR1 - Kurzweil 2000 Sample |
N/A |
| 176 |
.KRAW - Mac OS X Kernel-RAW Image Format |
Apple, Inc. |
| 177 |
.KRC - Mouse And Key Recorder Recorded Settings |
Kra-Tronic Corp |
| 178 |
.KRG - Sybase Adaptive Server Information |
Sybase Inc. |
| 179 |
.KRN - NBA 99 Fonts |
Electronic Arts, Inc. |
| 180 |
.KRT - Microsoft Visual FoxPro Recreation |
Microsoft Corporation |
| 181 |
.KRZ - Kurzweil 2000 Sample Format |
N/A |
| 182 |
.KS - Microsoft Works Spreadsheet Format |
N/A |
| 183 |
.KS-IA1 - Infinite Algebra |
Kuta Software LCC |
| 184 |
.KS3 - 3D Forgastest Editor |
N/A |
| 185 |
.KSC - Korg Trinity Script Format |
Korg |
| 186 |
.KSD - Absynth Kore Patch Format |
Native Instruments, Inc. |
| 187 |
.KSDS - Absynth Kore Patch Format |
Native Instruments, Inc. |
| 188 |
.KSEQS - Kestrel Sequence Database |
Richard Hughey - Kevin Karplus - Anders Krogh |
| 189 |
.KSF - Korg Trinity Sample Format |
Korg |
| 190 |
.KSH - Unix Shell Script |
N/A |
| 191 |
.KSI - Alloy Blending System ASCII Data |
Tube City IMS, LLC. |
| 192 |
.KSL - Karaoke Song List Creator Song List |
Airwer Ltd |
| 193 |
.KSM - Ken Silverman Music Format |
Ken Silverman |
| 194 |
.KSML - Halo Custom Edition |
Gearbox Software |
| 195 |
.KSP - Calligra Sheets Spreadsheet |
KDE e.V |
| 196 |
.KSS - FabTrol MRP Template |
FabTrol Systems |
| 197 |
.KT2 - Battery 2 Drum Kit File Format |
Native Instruments |
| 198 |
.KT3 - Battery 3 Drum Kit File Format |
Native Instruments |
| 199 |
.KTH - Apple IWork Keynote Theme Format |
Apple |
| 200 |
.KTN - KTooN Animation Format |
KTooN |
| 201 |
.KTO - NetKar Pro Mid Ohio |
Kunos Simulazioni |
| 202 |
.KTP - Cakewalk Kinetic Project Template |
Cakewalk |
| 203 |
.KTX - Kwaitan |
Vincent Peters |
| 204 |
.KTZ - Kahootz Project Format |
ACTF |
| 205 |
.KV6 - Ace Of Spades Model Format |
Ace of Spades |
| 206 |
.KVK - Keyman Desktop On Screen Keyboard |
Tavultesoft |
| 207 |
.KVT - KVIrc Theme |
KVIrc.net |
| 208 |
.KVTML - KWordQuiz Format |
The KDE Education Project |
| 209 |
.KVW - Google Earth Workspace |
Google Inc. |
| 210 |
.KWB - Kwalitan Work |
Vincent Peters |
| 211 |
.KWD - KWord Document Format |
KDE |
| 212 |
.KWF - Delphi Pascal Chart |
Embarcadero Technologies, Inc. |
| 213 |
.KWL - KWalletManager |
N/A |
| 214 |
.KWM - WebMoney Key Format |
WebMoney |
| 215 |
.KWP - Kamban Document |
Kamban Software |
| 216 |
.KWREPLAY - Command & Conquer 3 Replay Format |
Electronic Arts |
| 217 |
.KWS - KeyWallet Skin |
KeyWallet GbR. |
| 218 |
.KXX - Custom Keyman Engine Product |
Tavultesoft |
| 219 |
.KYB - Keyboard Layout Format |
N/A |
| 220 |
.KYN - ALSee Thumbnail Cache |
ESTsoft Corp. |
| 221 |
.KYR - Lotus Domino Key Ring Format |
IBM |
| 222 |
.KYS - Adobe Keyboard Shortcut Format |
Adobe Systems |
| 223 |
.KZ - KuiaiZip Archive |
KuaiZip.com |
| 224 |
.KZM - Karizma Designer Album |
KARIZMA |
| 225 |
.KZX - Kerkythea Material |
Solid Iris Technologies |
