>> KEY file

KEY file format description

Many people share .key files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .key file can be edited, converted or printed with. On this page, we try to provide assistance for handling .key files.

5 filename extension(s) found in our database.

.key - General Key Data

KEY file is a General Key Data. Various programs use this extension for licensing/security keys.

Other files
- / -
General Key Data related extensions:
Vevi Configuration File
Doc-To-Help File Lock
Cakewalk Kinetic Project Template
D Fusion Key File
TEAC Firmware Update Data
VirtualDub Plugin File

.key - Bioware Game Data Key

The KEY game data files are related to Neverwinter Nights. KEY file is a Bioware Game Data Key. BioWare's games and tools make use of a very large number of files that are packed into a group of files having the BIF extension. The contents of the BIF files are described by one or more files having the KEY extension.

Neverwinter Nights
Game Data files
- / -
Bioware Game Data Key related extensions:
Black and White 2 Terrain Data
KiriKiri Package
GunZ Replay
GunZ Data
iConomy Update
NBA 2K13 Model

.key - iWork Keynote Presentation

The KEY document files are related to Apple iWork Keynote. KEY file is an iWork Keynote Presentation. Keynote is a presentation software application developed as a part of the iWork productivity suite by Apple Inc.

Apple iWork Keynote
Document files
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iWork Keynote Presentation related extensions:
WriteNow Text
LTspice Bipolar Design
Advanced Authoring Format File
RelayFax OCR Document
Altium Designer PCB Document
Altium Designer Draftsman Sheet Template

.key - Tinker Keyword Parameters

The KEY data files are related to Tinker. KEY file is a Tinker Keyword Parameters. Tinker is a software tools for Molecular Design. The keyword parameter file always has the extension .key and is optionally present during TINKER calculations.

Data files
- / -
Tinker Keyword Parameters related extensions:
Tinker Archive
Tinker Dynamics Computation Data
Tinker End File
Tinker Fractional Coordinates
Tinker Internal Coordinates
Tinker Parameter File

.key - SmartWare Database Key File

The KEY data files are related to SmartWare. KEY file is a SmartWare Database Key File. SmartWare is a programming platform. SmartWare also includes a word processor, spreadsheet, and communication modules.

Data files
- / -
SmartWare Database Key File related extensions:
SmartWare Executable Program
SmartWare Backup Definition Data
SmartWare Backup Query Definition
SmartWare Backup Report Definition
SmartWare Sort Definition Backup
SmartWare Backup Transaction Definition

Naturally, other applications may also use the .key file extension. Even harmful programs can create .key files. Be especially cautious with .key files coming from an unknown source!

Can't open a .key file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows can't open this file:


To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

The .key file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

keg, ey, ley, kwy, kye, kry

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Kieler Editor for Graphs Model
Engine Yard Project Configuration
Krypter Encrypted Data
Keepaway Framework Learning Curve Data
Kye Level Data
Leylines Game Data

Operating systems

DataTypes.net currently supports the following operating systems:

Windows XP/Vista, Windows 7/8, Windows 10, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, Mac OS X, iOS, Android

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