.KEY File Extension

Presentation created with Apple's Keynote presentation software; stored in the Mac OS X package format and includes slides, images, text, transitions, and XML data used by the presentation.

Contains registration information or a security code for a software program; often created when the program is registered; typically stored in the program's application folder or the system preferences folder.

Software registration file used by LightWave, a professional 3D rendering application; stores the 16-digit license key and enables users to have a legal copy of the software.

For LightWave 10, licenses are saved to the following directories:

Windows: [user]\.NewTek\LightWave\10.0\licenses\

Mac OS X: [user]/Library/Application Support/NewTek/LightWave/10.0/licenses/

Defines keyboard shortcuts or keyboard layouts for different languages; maps keys to different characters for different languages; stores custom keyboard shortcuts for some programs; used by operating systems for keyboard layouts.