No company

KDT - Medbasin Evaporation Data
KOM - Kit-O-Mat 3D Model File
KPJ - K Database Magic Project File
KRA - Krita Image
KAN - Kwalitan Annotation
KCC - KeywordConvert Keyword/Phrase Combine List
KCO - Kwalitan Codes
KCT - Kwalitan Categories
KFI - IRIS Native Data File
KFL - Kwalitan Filter
KFL - KFLog Airfield File
KFL - IRIS Literary
KFL - Pegasus Mail Auto-Reply Memory File
KHF - Kwalitan Tree Structure
KHS - Kwalitan History
KMF - Kwalitan Memo
KSG - Kwalitan Segment
KTX - Kwalitan Text
KY - Peachtext List Manager
KBN - TeamSpeak Keybinding File
KIP - OA-KIP Client Data Transfer File
KT2 - BATTERY 2 Drum Kit
KOZ - Sprint Music Store Music Download fof Phone
KHTMP - Google Earth Temporary Object Location
KMC - Correlate
KNT - KeyNote Note File
KW3 - KanjiWORD Document
K - Desktop Color Separation Specification Black Layer
K - NRJ Live File
K00 - Tonline DB File
K01 - Tonline DB File
K02 - Tonline DB File
K03 - Tonline DB File
K1S - Wave Glib19 File
K2 - Kar2ouche Storyboard File
K25 - Kodak DC25 Digital Camera File
K25 - Kurzweil 2500 Sample
K3D - 3DS Macro Language Description
K7 - DCMO6 Emulator Tape Image
KAL - Sfkal Calender Kal_40 File
KAP - MapInfo Sea Chart
KAR - FOX+ 2.0
KAR - Karaoke MIDI File
KAT - Katorzer Music Composition
KAU - KeyAudit Software Audit
KB - Knowledge Pro Source Code
KBI - Keirsey-Bates Temperament Sorter Index
KBM - Reflection Keyboard Script File Layout
KBM - Scala Keyboard Mapping
KBP - Keirsey-Bates Temperament Sorter Profile
KBR - Keirsey-Bates Temperament Sorter Data
KBR - The Drums Pro file
KBS - ACE Studio Model Builder
KCF - KiSS Configuration File
KCL - Kyoto Common LISP Source Code
KCP - Keychamp File
KDC - Kodak Photo-Enhancer/Photogen File
KDELNK - KDE Desktop
KDH - CAJViewer
KDK - Kodak Proprietary Decimated TIFF Format
KDO - Kudo Picture Browser
KE$ - Modem Bitware Fax Disk2 File
KED - KEDIT Profile and Macro File
KEN - Player CDcheck Compressed File
KES - Kurzweil 3000 Scan/Read File
KEX - KEDIT Macro File
KEY - OS/2 Archive .KEY-file
KEY - Forecast Pro Datafile
KEY - FractInt Demo Script
KEY - Keyboard Definition File
KEY - National Construction Estimator 32 Costbook Key File
KEY - Program Security or Registration File
KEY - Sentry 2020 Encryption File
KEY - TBAV File
KEYBOARD - Amaya Configuration
KE_ - Ntgraph Ze32v215 File
KFA - Dark Age of Camelot Animation
KFP - Kinkos File Prep Tool
KFX - 2D Graphic
KFX - KoFax Group 4 Image
KGB - Kremlin Encrypt File
KGB - Z80 Spectrum Emulator Snap/File Formats
KGP - Image
KID - Tonline Bsw4 Install Mdmimp File
KIF - Knowledge Interchange Format Draft Proposition
KIL - Interview File
KIM - Commodore KIM-1 Program Image File
KIN - Kinemage Chemical Test
KIN - Protein Structure
KIT - Power Chord Drum Kit
KIT - Raven Toolkit File
KIX - KiXtart Script
KIZ - Kodak Digital Postcard File
KIZ - UUencoded File
KJV - TheWord & Bible Companion King James Version Bible
KKT - TTSKONE
KKW - RoboHELP Keyword Help Project Index File
KLB - GraphicWorks Album
KLB - Klemmbretter
KLI - KalKulator Linear Algebra File
KLIP - KlipFolio Klip
KLN - COLOGNE Multilingual Transliteration Scheme
KM - BMC Software Patrol File
KMA - Kodak Memory Album
KMD - Clicker Module Output
KML - Emu48 Emulator Keyboard Configuration File
KML - HP48 Emulator Win48 Script
KML - Kedit Macro Library
KMN - SIL Hebrew Font System Keyboard
KMP - Korg Trinity KeyMaP File
KM_ - Seqmax Seqprest Compressed Audio File
KNF - Universal Flat Knitting Machine Pattern Design
KNW - Known Problems
KO - IBM/Tools/Updater File
KOA - Koala Paint C64 Bitmap
KOD - Code
KOK - DEL MP3 Karaoke
KOR - Korean Text File
KOR - Correction File
KOS - MicroType Pro Document
KOSIMA - Kosima File
KPF - Kapere
KPG - Kai'S Power Goo Graphic
KPL - Kazaa Playlist
KPL - KPL Source Code
KPP - Kudo Place Pack, Place Module
KPP - SmartPad Toolpad
KPR - Fifa World Cup Game Data Comon be File
KPS - IBM KIPS Bitmap
KQP - Konica Quality Picture
KR1 - Kurzweil 2000 Sample
KRIS - Kris Tracker Format Song
KRN - NBA99 Ice Hockey Foreground Font
KRX - Karaoke MIDI File
KRY - Herolab Krypten
KRZ - Kurzweil 2000 Sample
KS - SOF Game File Log
KSC - Korg Trinity Script
KSE - Keepsake Studio Export File
KSF - Korg Trinity Sample
KSF - Kick it Up Stepfiles
KSH - Prodigy Internet Registration File
KSH - UNIX Shell Script
KSH - Dazzle Dazzle Realization
KSHRC - UNIX Kom Shell Environment File
KSM - Kefrens-Sound Machine Format Song
KSM - Embroidery File Format for Pfaff Machines
KSM - Ken Silverman Music Format
KSS - MSX Music File
KST - Olivetti Olitext Plus Script File
KTK - Kutoka's Mia
KTT - KeyText Data File
KU - Knowledge Explorer Knowledge Representation Knowledge Unit
KUMAC - Physics Analysis Workstation Macro File
KVB - Klick-N-View Business Cards
KVT - BASIC QuickBAS QuickB03 File
KW$ - NTgraph Visual C Wizzard File
KWD - Keyword
KWD - KWord File
KWF - Delphi Pascal Chart
KWF - Kartex
KWI - Navigation System Data File
KWS - Kyocera Ringtone
KXS - Kexis Lossless Compressed Audio
KYB - Keyboard Layout
KYE - Kye Game Data
KYF - Visual-Voice Mouth Movement File
KYS - SourceOffSite Server Keys
KZP - Kazoo3D or KazooStudio KazooPicture
KIN - Kinemage Chemical Protein Language

AccuSoft

KDF - VisiQuest

Adobe

KYS - Photoshop CS Keyboard Shortcut

Adobe Systems Inc.

KYS - Premiere Keys File

Airwer

KSL - Karaoke Song List Creator Song List
KUP - Karaoke Song List Creator

AndersonBell Corp

KMD - ABSTAT for Windows Batch File

AntiVir PersonalProducts GmbH

KEY - AntiVir PersonalEdition License Key File

Apple

KEXT - Mac OS X Kernel Extension

Apple Computer

KEY - Keynote Presentation Wrapper Folder

Ark Angles

KCH - KChess Notation File

Autodesk, Inc.

KIF - AutoCAD Key Index

BioWare Corp.

KEY - Infinity Game Engine Directory of Resources, Locations and Types

Bitsmith Software

KNF - Personal Knowbase Custom Import Filter
KNO - Personal Knowbase Data

Blizzard Entertainment

KEY - Diablo II Key File

Borland Software Corporation

KB - C++ Keyboard Script
KEP - Turbo Pascal DOS TP19 Compressed Kepler File
KOE - Turbo Pascal DOS File

Broderbund

KFM - KEY Form Designer Form Design
KPP - Kid Pix Deluxe Slide Show
KPX - Kid Pix Deluxe Data File

Correlate AS

KMP - Correlate K-Map KnowledgeMap
KMZ - Correlate K-Map Zipped KnowledgeMap

Correlate AS.

KMA - Correlate K-Map Structure
KMS - Correlate Solution Topics

Crimson Fire Entertainment

KQL - Kyle's Quest Level Editor Graphic

DATACAD LLC

KEY - DataCAD Icon Toolbar File

datb

KDB - kinodb File

David Harris

KFS - Pegasus Mail Static Kill File

Dominik Reichl

KDB - KeePass Password Database

Eastman Kodak Company

KIC - Kodak Image Compression File

Electronic Arts, Inc.

KLD - Dungeon Keeper 2 Playable Map
KWD - Dungeon Keeper 2 Playable Map

ESRI

KEY - ArcView Geocoding Matching Keys

eurobraille

K - IRIS Editor Format File
KFA - IRIS Shortened Format

FormatBlue Software

KCL - KeywordConvert Keyword/Phrase List

Freedom Scientific

KEV - JAWS for Windows Preload File

Google

KML - Keyhole Placemark
KML - Google Earth Placemark
KMZ - Google Earth Saved Working Session
KVW - Google Earth Workspace

Hypersoft-net

KMP - Knowledge Manager Knowledge Base Compressed Map

Inspiration Software, Inc.

KID - Kidspiration

ISD Benelux B.V.

KRP - HiCAD 3D Part File

K Software

KPD - Kapital Database File

Kaaza

KMD - Media Desktop File

KAISHA-Tec Co. Ltd.

KM2 - ActiveModeler Professional Process Map

Karaoke 4 Everyone.com

K4E - Karaoke 4 Everyone.com Player/Editor File

KDE

KSS - KDE [UNIX/Linux Desktop] Screen Saver

KDE e.V.

KEXI - Kexi Native Database File
KEXIS - Kexi Database Connection Parameter File

Kepler Project

KSW - Kepler Scientific Workflows

Kinko's, Inc.

KDF - Kinkos Photo

Kodak

KIC - Kodak Image Compression File

KOffice Web Team

KPR - KPresenter Slide Show
KPT - KPresenter Template

Konfabulator

KON - Konfabulator Widget Code

Kra-Tronic Corporation

KRC - Mouse and Key Recorder Recorded File

Kreatives.org

KRISTAL - KRISTAL Audio Engine Project File

Kurzweil Educational Systems, Inc.

KES - Kurzweil 1000 and 3000 Accessible Documents

Kurzweil Music Systems, Inc.

K25 - Kurzweil 2500 Sample
KR1 - Kurzweil 2000 Sample
KRZ - Kurzweil 2000 Sample

kusziNET

KDB - kusziDataBase Database File

KWord Team

KWD - KWord File

Kyuran's World

KDB - Doobs Database

Matrox Electronic Systems Ltd.

KFT - Matrox X Tools Keyframe

Metis

KMD - Model Browser File
KMS - Model Browser Shortcut
KMV - Model Browser File

Microsoft

KBD - Keyboard Script File Layout
KS - Works Sheet

Milenix Software

KBF - MyInfo Documnet/Outline

Native Instruments

KIT - Battery Drum Kit

Orchida Soft

KNF - Orchida Knitting System

Pulse Data International Ltd

KWB - KeyWord Braille File

RECISIO S.A.R.L.

KFN - KaraFun Karaoke Song

Remember International Associates Ltd

KAR - Keep-It Archive

Rockstar Games

KF2 - Max Payne Model File
KFS - Max Payne Model File

SAP

KEP - SapShow Training File

Sega

KVQ - Sega Smash Pack PC Version File

serence inc.

KLIP - KlipFolio Klip

SoftVelocity

K01 - Clarion DOS Database Key File
K02 - Clarion DOS Database Key File
K03 - Clarion DOS Database Key File
K04 - Clarion DOS Database Key File
K05 - Clarion DOS Database Key File
K06 - Clarion DOS Database Key File
K07 - Clarion DOS Database Key File
K08 - Clarion DOS Database Key File
K09 - Clarion DOS Database Key File
KNN - Clarion for Windows Database Key
KTP - Clarion for Windows Temporary Key File

Stephan Rakonza

KSS - K-ForCE Scoresheet File

TA Engineering

KMD - AIMAX Keyboard Macro

TAN$TAAFL Software Company

KEY - Top Secret Crypto Gold

The Kelvin Consultants Limited

KTI - Kelvin TOP-SET Investigator Investigation Data

Tomasz Pawlak

KGB - KGB Archiver Compressed Archive

Universal Systems

KEY - Business Key Accounting File

Vincent Peters, Department of Research Methodology, University of Nijmegen, The Netherlands

KDC - Kwalitan Document
KPR - Kwalitan Project
KWB - Kwalitan Workfile
KWF - Kwalitan Word List