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How to open .KEY file extension?

File Type : OS/2 Archive .KEY-file
Compatible with (WinXP,Vista,Win7,Win8 and Win10)

Looking for a program to open .KEY files?

"Windows unable to open a file!" is probably the most common error faced by millions every day. This is either because the program required to open a file is not available on your system or there may be other issues.

We recommend that you run a free scan to check for missing drivers.



What is .KEY file extension?

.KEY file extension is a known file type. This section tells you everything you need to know about this extension.
Generic file extension used by various programs when registering legal copies of the software; may be saved in a plain text format but generally contains some form of encrypted key string that authenticates the purchase and registers the software. Since KEY files are used by various software products, no single program will be able to open them. Instead, you will have to know which program a KEY file corresponds to in order to use it to register the software.
You can see a list of software programs below that can open this file type so that you don’t need to search for it on the web. You can then open your file with this extension using a software listed below.

Software that can be used to open .KEY files:

Microsoft Windows:
  • Used by various programs