I have never had any problems with the latest CAVS beta and Outlook. There again, I never had a problem with any of the earlier versions either (apart from the annoyance that the email scanner does not work with exchange server). I am aware of several other users who have no problems with CAVS and Outlook so I am confused as to why you were having problems.
CAVS is still in Beta and the latest incarnation seems to be a bit heavier on resources than previous versions. It may be better for you if you wait a while to see how the product develops, I assume the high resource usage will be reduced and that most of the 'wrinkles' will be ironed out when the product is finally released.
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