Outlook has the ability to export contacts.  Easy.  Outlook > File > Import/Export.
..but this will only get your address book.

How to you get the ‘Most Recently Used’ (MRU) addresses; the ones that appear when you type in a name?

     Why, by downloading this great little app. http://www.nk2.info/ 

fwiw,
Clearing MRU’s is a little easier:
http://www.outlook-tips.net/archives/2003/20030901.htm

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