Xobni is now in public beta. It is a very nice add-in for Outlook. Helps searching emails, finding conversations, and even phone numbers. I highly recommend it!

Here is the homepage: Xobni: Email organization, search, and navigation for your Outlook inbox

Here is the blog page that describes it: Xobni

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Fredrick T. Greco
Senior Pastor, Christ Church PCA (Katy, TX)
Christ Church Blog

"The heart is the main thing in true religion...It is the hinge and turning-point in the condition of man's soul. If the heart is alive to God and quickened by the Spirit, the man is a living Christian. If the heart is dead and has not the Spirit, the man is dead before God." (J.C. Ryle)