KEY File

What are KEY files and how to open them

Are you having problems opening a KEY file or are you simply curious about its contents? We're here to explain the properties of these files and provide you with software that can open or handle your KEY files.

What is a KEY file?

KEY files have multiple uses, and Apple Keynote Presentation is one of them. Read more about the other uses further down the page.

Apple Keynote Presentation

Files with the .key file extension have usually been created by the Apple Keynote presentation software. Keynote was developed by Apple and is run on the Mac operating system. The KEY files created by this software are similar to PowerPoint files but primarily intended for Mac users.

The KEY files that are created by Keynote contain slides that include text, images, video clips, transitions, etc. This data is then shown in a presentation style format when a user launches the file.

How to open KEY files

Important: Different programs may use files with the KEY file extension for different purposes, so unless you are sure which format your KEY file is, you may need to try a few different programs.

While we have not verified the apps ourselves yet, our users have suggested ten different KEY openers which you will find listed below.

Last updated: January 25, 2025

All known file formats using extension .KEY

While Apple Keynote Presentation is a popular type of KEY-file, we know of 15 different uses of the .KEY file extension. Different software may use files with the same extension for different types of data.

ASCII Armored RSA Private Key

We know that one KEY format is ASCII Armored RSA Private Key. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

IBCards Key

We know that one KEY format is IBCards Key. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

IDA Serial Key

We know that one KEY format is IDA Serial Key. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

Infinity Engine Resource Directory

We know that one KEY format is Infinity Engine Resource Directory. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

JAY MSA Registration Key

We know that one KEY format is JAY MSA Registration Key. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

Juno Client License Key

We know that one KEY format is Juno Client License Key. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

Kaspersky Anti-virus For DOS License Key

We know that one KEY format is Kaspersky Anti-virus For DOS License Key. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

Keyboard Key Mapping File

Key mappings are used to "map" certain keyboard key combinations to certain application features. It may be a simple key-to-character mapping that causes a specific character to be displayed when a key is pressed, to a combination of keys that, when pressed, triggers an event in the associated application.

You usually do not need to edit or view these files, as they only contain information usable by the software program that uses them.

KeyCAD Drawing

We know that one KEY format is KeyCAD Drawing. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

OpenSSL PEM Private Key

We know that one KEY format is OpenSSL PEM Private Key. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

Smp2Mp3 Encryption Key

We know that one KEY format is Smp2Mp3 Encryption Key. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

Software License Key

License keys are used to enable features of a software product. They come in many shapes and forms, from simple keys consisting of letters and numbers that you have to type into the application to advanced encrypted files that contain the name of the licensee, key expiration date, etc.

Different software use keys in various formats, so you need to know precisely which application your license key file belongs to. Further, you need to follow the instructions on where to place the file to activate the application, as that also differs from application to application.

You usually do not need to edit or view these files, as they only contain information usable by the software program that uses them.

SSH/SECSH Public Key File Format

We know that one KEY format is SSH/SECSH Public Key File Format. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

Suncom F-15E Eagle Joystick Keys Configuration

We know that one KEY format is Suncom F-15E Eagle Joystick Keys Configuration. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

Various apps that use files with this extension

These apps are known to open certain types of KEY files. Remember, different programs may use KEY files for different purposes, so you may need to try out a few of them to be able to open your specific file.

Help us help others

File.org helps thousands of users every day, and we would love to hear from you if you have additional information about KEY file formats, example files, or compatible programs. Please use the links below or email us at submit@file.org to discuss further.