Open File Explorer

Open KEY on Windows OS

• Locate KEY file in Windows Explorer and right-click on it.
• Look for the "Open with" menu option in the popup menu. If you open this menu you will see list of the applications which can open KEY file.
• If there are no programs which can open the KEY file are installed you will see "Open with..." button in the popup menu. Click on it.
• Dialog will open with Windows OS suggestion about what application can open KEY file.
• If you do not see the application which correctly matches the file try to search the internet for one of the apps mentioned above or look for technical file description below. Each description have "Application name" in it which can open the KEY file.
• If "Application name" is missing look for the "Windows Object" and "Executable command" fields because they typically contain application which can open KEY file.

Open .key File and regfile.

File Extension	.key
Description	Registration Entries
Sample File Name	[Sample File].key
Windows Object	regfile
Executable Command To Open .key File	regedit.exe "%1"
Mime Type
Links	How to open KEY File instructions on extensionfile.net Placing it here to fix Firefox 2.0 layout links