How to set what application to open a file based on file extension on Mac OS X?

Posted by michael on Super User See other posts from Super User or by michael
Published on 2010-03-17T23:55:54Z Indexed on 2010/03/18 17:31 UTC
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osx

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leopard

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default-application

In my Mac OS X 10.5, it has set all my *.patch files to open with 'Notepad in Windows via Parallel'.

I have tried to change it by

click 'Open With..'
select 'TextEdit'
check the 'Always Open With' box

But still when I get new *.patch file, it will set to open 'Nodepad in Windows' by default.

Can you please tell me how can I change that for good?

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