>VFP 6.0
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>Does each service pack contain all of the information from the previous pack? In other words, does service pack three contain everything in service packs one and two? And does service pack four contain everything in service packs one, two and three?
>
>What is the most up to date service paxk?

As far as MS is concerned, service packs are inclusive (6 contains 5 comtains 4 and so on). The latest for Visual Studio is SP3. SP4 is due out soon but a definite date hasn't been announced.