On my new Windows 7 desktop, I tried to open a .jar file, only to be rebuked. Thanks to Andy from ShowerHacks.com for the help. And lo, after some Googling, there is.  Here’s how:

  1. Go to the run box and type in cmd. Instead of hitting Enter, use Ctrl + Shift + Enter.  This will run the command prompt with Admin rights.
  2. A dialog box should pop up notifying you of what you’re doing and you have to confirm it. Annoying.
  3. Type this in to the command line: assoc .jar=CompressedFolder. Press Enter
  4. Profit!

There you have it kids. Windows 7 opens .jar files like they were .zip files.

 

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