I often wondered how I could delete outdated mailbox details which keep popping up on the TO or CC lists, without deleting all of the cached contents. Thanks to one of our Visual Studio ALM MVP’s Martin Hinshelwood, who nudged me in the right direction, I finally noticed the delete feature that Outlook 2010 has introduced, which enables you to delete a cached entry quickly and easily:

… Martin, the incorrect mail address is now purged off my laptop for good :) Thanks!