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When I open my applications folder, all the apps inside have their name below the icons appended with the text .app. I don't think it used to be this way, is there a way to remove the .app text? I'm on OS X snow leopard.

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Prepended? Do you mean appended? – Gerry Dec 15 '11 at 10:09
Yes - my bad!!! – Ger Dec 15 '11 at 12:24
up vote 7 down vote accepted

Go to Finder->Preferences->Advanced->Show all filename extensions enter image description here

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I believe that 10.4 and lower versions of the operating system still suppressed the ".app" extension even when "Show all filename extensions" was turned on. As of 10.5 and greater, checking that preference also displays the ".app" extension as well as things like ".txt" and ".jpg". – David Rouse Dec 15 '11 at 15:59
That's quite obvious but i think he solely wants to disable ".app" while maintaining all other file extensions – AMomchilov Dec 15 '11 at 23:09

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