>In a word, it appears not to work. 3.5x does work (we've been using it since it came out).
>
>The VaultIDE.dll was rewritten for 4.1, in order to work with VS2008 (they also have VSIP integration, but VaultIDE.dll gives the old style integration). I believe they implemented MSSCI 1.3, but SourceGear support hasn't gotten back to me yet on my request that they ask the developer if s/he knows of any changes that would have broken this functionality.

Great.

Is there any reason not to use Source Safe with VFP? I like Vault, but we already get SS with our MS Action Pack stuff.