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When using App Exposé on Lion ( Control- by default), the lower part of the screen above the dock is reserved for minimized windows. A new feature of at least TextEdit in Lion is that it also shows the most recent documents as icons, which makes for an absolutely crowded area. I never use MRUs in my workflow so that's an absolute waste of space and of time.

Is it possible to disable this behavior and only show minimized windows?

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3 Answers 3

Apparently setting the Number of recent items to None in general preferences does the trick.

General Preference Pane

Unfortunately it also disables the Open Recent submenu, but I honestly care less: having an uncluttered minimized windows list in Exposé is much more important.

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I've tested this answer and it doesn't seem to work for me. Even after setting the number of recent documents to none TextEdit behaves the same way. –  Samuel Mikel Bowles Sep 12 '11 at 13:54
I've noticed that behavior too if the MRU list was previously filled. I did this on a fresh install of Lion, so MRU list was not populated and it never filled up when None was set. –  Lloeki Sep 12 '11 at 20:48

I managed to figure out how to clear and permanently disable this in Expose so figured I'd post here.

I'm using BBEdit but imagine the steps are the same for TextEdit(?)

You have to set the Recent Items to 0 (as above) AND delete the contents of: /Users/[your username here]/Library/Preferences/com.barebones.bbedit.PreferenceData/

(As I say I imagine there's something similar for TextEdit)

This folder rather astonishingly contained the history of every file I have EVER edited in BBEdit(!!) some 4000 odd files - also a security risk in my book.

If you were very paranoid (as am I) you could also chmod this folder to be readable only so it is never written to:

sudo chmod -R 444 /Users/[your username here]/Library/Preferences/com.barebones.bbedit.PreferenceData/

Hope that helps... Apple/BBEdit should really include this functionality within Expose as an option so we can turn it off in my humble opinion.

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I have just cleared recent items by going to apple menu, selecting "Recent Items" then "Clear Menu".

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Did it also clear the recent items in App Exposé? It was not when Lion first rolled out. –  Lloeki Jul 16 '12 at 11:05
I just tried and it did not clear Preview recent items, neither in the Dock menu nor in App Exposé. –  Lloeki Jul 16 '12 at 11:06

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