Filename Extensions
If you are seeking information about file extensions, then you are in the right place at right time.

Details of extension .ykey

1 extension(s) and 0 alias(es) in our database

Below, you can find answers to the following questions:

  • What is the .ykey file?
  • Which program can create the .ykey file?
  • Where can you find a description of the .ykey format?
  • What can convert .ykey files to a different format?
  • Which MIME-type is associated with the .ykey extension?
Castles and Catapults Key Data .ykey file icon

Castles and Catapults Key Data

The YKEY file is a Castles and Catapults Key Data. Castles and Catapults is a strategy game developed by Magic Lantern Playware.
Detailed description not available
Category: Data files
Application: Castles and Catapults
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Related extensions:
Castles and Catapults Game Data
Castles and Catapults YAR Data
Castles and Catapults YINS Data
Castles and Catapults YPCL Data
Castles and Catapults YMY Data

Other types of files may also use the .ykey file extension. If you have helpful information about .ykey extension, write to us!

Is it possible that the filename extension is misspelled?

We found the following similar extensions in our database:

SmartWare Database Key File

The .ykey filename extension is often given incorrectly!

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

key (1)

Can't open a .ykey file?

If you want to open a .ykey file on your computer, you just need to have the appropriate program installed. If the .ykey association isn't set correctly, you may receive the following error message:

Windows can't open this file:

File: example.ykey

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 from a list of programs that are installed on your computer.

To change file associations:

  • Right-click a file with the extension whose association you want to change, and then click Open With.
  • In the Open With dialog box, click the program whith which you want the file to open, or click Browse to locate the program that you want.
  • Select the Always use the selected program to open this kind of file check box.

Supported operating systems

Windows Server 2003/2008/2012/2016, Windows 7, Windows 8, Windows 10, Linux, FreeBSD, NetBSD, OpenBSD, Mac OS X, iOS, Android